RC Cars Center: Ultimate RC Guide
RC Cars Center
The first half of this guide is general information about RC cars. If you are beyond that (because you’re a “rock star” when it comes to RC cars) look at the table of contents and simply go to the information you may find useful.
While thinking about my approach to this guide I used myself as a scale, I thought about what problems did I have, what problems do I have, what did I want to know, and what do I already know about remote controlled cars. I don’t think anyone would argue with experience being the best teacher. Since I purchased a remote controlled car for my son when he was eight years old, (he’s twenty-five now) I have been a very enthusiastic hobbyist, playing with these cars and trucks and planes and helicopters and now drones. When I purchased my son his first remote controlled vehicle I didn’t know you could build your own as well as enter races. I discovered RC tracks for RC cars, and I also found out about jumps and other different types of competition for these cars. One of my most favorite places became my local hobby shop, Al’s hobby shop. Thinking about Al’s makes me smile.
My sons uncle introduced me to racing RC cars. I watched him build a RC truck and I was amazed, I have been a RC junkie every since. I am assuming (and I probably shouldn’t) that if you are a visitor here that you have at least minimum knowledge of RC cars. Even if you are a beginner I have made this guide comprehensive and very rudimentary. There’s something here for everyone on every level, beginner, novice, and expert. So enough of the intro, get ready, roll up your sleeves and hopefully I’ve done a GREAT (just my ego showing there for a minute) job with providing you with what you need for your RC car.
- 1 What is a RC Car
- 2 How Big is a 1/10 Scale RC Car
- 3 RC Car Transmitter
- 4 Frequency Crystals For RC Cars
- 5 How Do Nitro RC Cars Work
- 6 Fuel Mixture for RC Cars: Lean and Rich
- 7 How You Can Lean Out or Richen a Nitro RC
- 8 Lean and Rich and Engine Temperature
- 9 What To Know About Nitro Cars
- 10 How Does A Nitro RC Car Engine Work
- 11 How to Tune a Nitro RC Car Engine
- 12 Gas For RC Cars
- 13 How Does An Electric RC Car Work
- 14 RC Car Race Track
- 15 Directories for RC Clubs and Tracks
- 16 How to Make A Electric RC Car Faster: 5 Tips
- 17 How to Start Up A Nitro RC Car
- 18 RC Car Types
- 19 RC Car Brands
- 20 Glow Plug Igniter for RC Cars (Nitro)
- 21 What Is a Servo for a RC Car
- 22 How To Break In A Nitro RC Car Engine
- 23 How To Prime A Nitro RC Car
- 24 After-Run Maintenance
- 25 Clean and Oil Air Filter
- 26 Shock Oil for RC Cars
- 27 Cleaning off Dust
- 28 Batteries For RC Cars
- 29 How Long Does a RC Car Battery Last
- 30 RC Car Battery Charger
- 31 What To Do To an RC That Won’t Run
- 32 How to Fix a Pull Start on a RC Car
- 33 Trouble Shooting Electric RC Cars
- 34 Tools
- 35 Links and Resources
- 36 Radio Control Manufactures
What is a RC Car
I will not bore you with what a RC car is because obviously you already know or else you would not be on this site. But if you do have a burning desire (although I don’t know why you would…but that’s just me) to know the history of a RC car, and what it is, then you can go here. What I would like to share with you are tips and “how to’s”…you know what I mean…how to do this and how to do that, hopefully it will help you have a better experience and bring you more enjoyment when playing with your RC car. That is the reason for this guide.
How Big is a 1/10 Scale RC Car
Scale regarding the RC arena regarding cars refers to the overall size of a RC car relative to an actual sized car. For example an actual sized car has a 1/1 scale and RC cars are actually founded off this scale.
1/16 scale is basically the smallest (which is 1/16 the size of a real car), 1/5 scale is commonly the largest sized and 1/10 and 1/8 are sizes in between. Assuming that you have already investigated buying RC cars you probable see 1/10 scale a whole lot. It’s crystal clear this is a preferred size, however 1/8 is also getting just as well-liked.
Just remember 1/1 is an actual car. Like the cars you see travelling on the roadways and 1/2 is half the size of a real car.
RC Car Transmitter
You should always switch on the transmitter first and foremost, followed by the receiver. Do not ever switch off the transmitter or the receiver when the engine is running. You should switch off the engine first, after that the receiver followed by the transmitter.
You should always perfrom a range check prior to driving your car. This checks the range of the radio and picks up on any kind of radio hindrance. To carry out a range test do either one of the following:
A. Walk off from the car the distance that equates to the furthermost stretch you want to operate your car having the transmitter and cars aerials completely let out.
B. Walk with the models aerial totally let out and the transmitter aerial completely down walk off around 16 feet from the model.
When it comes to either one of these tests check to make sure all of the servos function properly. Do not drive the car when you discover any sort of radio issues or interference.
Radio interference could be created for numerous reasons, for example some other models transmitter on a similiar frequency, a 2way radio, power lines etc. It’s definitely a good idea to perform a range test prior to driving a RC. Should you pick up interference then you should definitely go to an another spot or stay till it stops.
It’s also not smart to let batteries get low, it could trigger the servos to begin shaking and will likely result in a significant loss in range.
Rechargeable batteries are really fitting to choose since they have the ability to output so much more power compared to a standard alkaline battery. Rechargeable batteries have a very good positive impact on the servos helping to make them interact a lot faster.
Alkaline batteries can last a lot longer because they have a really low power output, but due to this low power output the response from the servos commonly tend to be slow.
Rechargeable and conventional batteries may be gotten pretty much anywhere. I like Wal-Mart.
If your location is open to radio interference then you really should think about installing a fail safe. They’re not expensive and they return the throttle back to idle if the radio gets any kind of interference or loss of signal.
Frequency Crystals For RC Cars
Crystals detect what channel (frequency) the radio control runs on. With rc cars a predetermined amount of frequencies are in fact specified in many countries. Contact your local hobby store to find out provided frequencies in your country.
Both the transmitter and the receiver need to have their own individual crystal to function and they nearly always have the exact same frequency. Certain crystals must be.455 mhz away from each other to operate but these kinds of crystals are scarce.
While you aren’t able to switch the principal frequency band of your rc set, like from 27MHz to 30MHz, you may switch the frequency in that band from 27.145 to 27.195 by placing in a different set of crystals.
It is certainly, generally, a smart idea to bring at least one extra set of crystals with you, so you are able to change channels at any moment when some other drivers are functioning on your channel.
How Do Nitro RC Cars Work
I’m jumping right in with Nitro cars. This is a quick start because there are other cars that you probably should find out about first. And later I will touch on, “your first RC car.” The reason I am starting with Nito cars is because frankly in my opinion they are hot! They are the in-thing to me and I may be a little biased because my introduction to remote control cars came by nitro cars.
If you are new to RC cars this type of car is what you have to look forward to when you learn more about operating and modifying your RC car. What I am doing is I am putting the cart before the horse – but what a cart!
Nitro is not really the name of the car the word “nitro” refers to the type of fuel the car uses to power it. Nitromethane is the fuel used to power the cars thus the name “nitro”. Nitromethane and oil (castor oil and synthetic oil blended) fuels a glow engine which is used by most fuel powered models. I’ll touch on glow engines a little later. All you need to know now is, a glow engine is a small internal combustion engine.
Nitro fuel goes under many names like Glow fuel, Hobby fuel, and of course Nitro fuel. And if you have wondered if you can use this fuel in airplanes, boats, and helicopters, the answer is “sometimes”. Always check and make sure that you are adding in the right mixutre (amount) of oil and nitromethane to be sure.
A 2 stroke engine or a 4 stroke engine burns this fuel which provides an extereme amount of power for the cars. Also note that although the technical name is nitromethane, very little nitromethane is actually used (0-30%) within the fuel. But if higher percentages of nitromethane is used, you will achieve more power for your car.
Methanol is used and actually is the bulk of the fuel. Methanol is necessary as it is used as a solvent for other components. Probably the most essential reason for methanol is, it’s needed for the glow plug (there will be more on glow plugs) it (methanol) makes it (glow plug) burn and creates a catalytic reaction, this keeps the inginition going between strokes. Also note that nitromethane costs considerable more than methanol. There is a disproportion in using nitromethane and methanol because nitromethane does not output the same amount of energy that methanol does. But because nitromethane does not need much oxygen (about half of methanol) to burn, more of it can be used for the engine for each stroke and this causes a much higher output of energy.
If you’re a racer I would suggest at least 30% or more nitromethane mixed with methanol this will help make the engine easier to tune and increase the cars power. Also understand that because nitromethane costs more, using more means more money out of your pocket. The methanol is needed for the glow plug whcih ignites the fuel and methanol also contributes as a solvent allowing nitromethane and lubricants to mix. I would actually probably not go more than using 65% of nitromethane.
Nitromethane is not that easy to find. It is known to explode. Because of that, in a lot of countries Nitro fuel actually has no nitromethane in it at all. One of the drawbacks to not having nitromethane in the fuel is, glow engines are more difficult to tune and the car is not as powerful. The oil that’s included with the fuel is used as a lubricant, the fuel is typically 8-22% oil. Using castor oil and synthetic oil was mentioned earlier, most glow fuels include this mixture. Know that the oils (in most cases) are not burned by the engine but is released through the exhaust of the engine. This allows the engine to dispel heat because the oil when coming out is very hot.
How To Make Nitro Fuel For RC Cars
Nitro fuel is simple to create therefore plenty of RC car hobbyists do create their very own to save money. Understand this, a couple of the chemicals utilized are flammable/explosive making them hazardous to work with. When used in excessive amounts there is a great risk. I’m not really attempting to prevent you from producing your own fuel yet I am not encouraging you either, this is taken on at your own personal risk. I would not advise giving it a try by yourself the very first time. I would look for some one that is highly familiar with making their own fuel.
1. *Nitromethane (expensive a gallon might cost approx $50.00)
2. Methane (should cost around $30.00)
3. Castor oil (costs around $2.00)
4. Measuring cups (go to any dollar store)
5. Funnel (any auto part store or dollar store)
Fuel Mixture for RC Cars: Lean and Rich
Nitro or glow engines work with nitro fuel however it’s really a mixture of fuel and air which goes right into the engine. The correct air/fuel mixture always keeps the engine performing at its best. The wrong mixture may lead to overheating and vapor lock, excessive wear, or induce the engine to stall. This fuel/air mixing occurs in the carburetor.
To lean out or richen a nitro RC engine suggests to modify the mixture of fuel and air entering the engine. Lean is the adding of increased air to the air/fuel mixture. Rich is the adding of much more fuel to the air/fuel mixture.
Whenever you lean out a nitro engine you are adjusting the air/fuel mixture to make sure that there is additional air entering the nitro engine than there is fuel. This generates a little bit more horsepower yet could produce pretty high engine temperatures. If you are not cautious leaning out a nitro engine you might run it too lean. This will likely wear out the glow plug too soon or lead to engine failure.
Whenever you richen the nitro engine’s mixture you’re adding in additional fuel rather than air to the nitro engine. Doing this can most likely provide you more ideal results for some style of races just because this process, different from leaning out, will definitely give you cooler engine temperatures. However when running too rich you could not only bog the engine down and stall out but in addition flood it and mess up the glow plug.
How You Can Lean Out or Richen a Nitro RC
Engine tuning and changing the air/fuel mixture entails adjusting the high-end (high speed/ engine temperature) and low-end (low speed/ idle speed) needles on the carburetor. It is often known as dialing in your engine. There are almost always base settings for each and every nitro engine which give a pretty good starting place with regard to adjusting the needle settings. You’ll turn every needle in pretty small increments to lean out or richen the fuel.
Turn clockwise to lean out or provide air and counterclockwise to richen or add in fuel. The low-end needle commands idling and low speeds. The high-end needle manipulates how the engine increases and performs at high speed and has an increased impact on engine temperature.
Lean and Rich and Engine Temperature
You prefer to adjust the air/fuel mixture so your engine performs at an optimum temperature that is mostly anywhere around 225-250 degrees Fahrenheit for a large number of nitro engines. A lot above 250 degrees can bring about a load of damage and cuts short the life of your nitro engine.
Monitor your nitro engine’s temperature frequently to try to keep it near an optimal temperature for lengthier run times and in general much better life for your nitro engine.
When the operating temperature is below 200 degrees you will want to rotate your high-end needle adjustment clockwise to lean out the mixture a little bit in order to get the temperature up a little.
If your temperature is more than 250 degrees you should bring it down by simply adjusting the high-end needle to richen the mixture by turning the high-end needle counter-clockwise.
The ambient temperature outdoors and the elevation according to sea level can in a harmful way have an effect on the nitro engine’s temperature therefore adjust appropriately.
What To Know About Nitro Cars
Nitro powered cars make use of a single servo concerning throttle and braking control, gyration of the servo in one direction definitely will trigger the throttle on the carburetor to open up, offering extra air and fuel mixture to the internal combustion engine. Rotation of the servo operating in the other direction results in torque to become applied to a linkage and cam which in turn brings about friction with the braking material. The brake is normally found on the driveshaft or possibly the spur gear in many cases and applies breaking power strictly to the driven wheels. Many models may also utilize an additional servo in order to control a transmission box, making it possible for the vehicle to drive in reverse.
How Does A Nitro RC Car Engine Work
Fuel engine sizings usually vary somewhere between.12 -.35 cubic inches. This results from limits by the primary sanctioning bodies for radio-controlled racing. Quite a few “outlaw” Glow Engines are constructed larger than these, typically meant for vehicles that will not be really put into action in sanctioned races and due to this fact do not really need to adhere to these regulations. Engine size is actually associated with the class of car; 1/10 scale on and off road vehicles generally are equipped with.12 -.18 cubic inch engines, with 1/8 scale vehicles using.21 -.32 cubic inch engines. There certainly are exceptions, with several Schumacher and Thunder Tiger/Team Associated RC models being pretty good models of very big engines coming as normal equipment on some models.
Even though electric RCs possess motors, certain RC vehicles, generally hobby-grade, have engines which are operated with liquid fuel. Those which use nitro fuel have nitro engines likewise known as glow engines.
Almost all toy-grade RCs are powered with batteries and operate on electric motors however nitro RCs are powered by using glow engines and they are popular in professional RC racing.
Glow engines typically should be operated a little rich (having a higher fuel ratio than is fitting) to try to keep the engine cool (given that the fuel exiting the exhaust always really takes heat along with it) therefore vehicles having glow engines normally get covered with a good deal of oil (as mostly all the oil comes out the exhaust) and some nitromethane and methanol too (since it’s probably not all burned) needing some maintenance once one is finished operating their model.
Engines that run on nitro fuel have a glow plug. Much like a spark plug, the glow plug is so called since a filament in the plug glows once the plug is hot. An engine with a glow plug is normally known as a glow engine.
2 Stroke Engine
A two-stroke, or two-cycle, engine is basically a type of internal combustion engine that does a power cycle by using two strokes (up and down actions) of the piston in just one crankshaft revolution. This is really in contrast to a “four-stroke engine”, that calls for four strokes of the piston in order to accomplish a power cycle. When it comes to a two-stroke engine, the end of the combustion stroke and the beginning of the compression stroke take place together, with the intake and exhaust (or scavenging) functions taking place at the very same time.
Two-stroke engines usually experience a high power-to-weight ratio, power being usually available in a small range of rotational speeds referred to as the “power band”. Compared to four-stroke engines, two-stroke engines have actually a drastically reduced quantity of moving parts, so consequently they are a lot more compact and notably lighter.
4 Stroke Engine
A four-stroke engine (likewise called four cycle) is simply an internal combustion (IC) engine where the piston does four distinct strokes while at the same time spinning a crankshaft. A stroke pertains to the full travel of the piston near the cylinder, operating in either direction. The four different strokes are labeled:
1. Intake: likewise referred to as induction or suction This specific stroke of the piston starts at top dead center (T.D.C.) and stops at bottom dead center (B.D.C.). In this particular stroke the intake valve has to be in the open position when the piston draws an air-fuel mix right into the cylinder simply by generating vacuum pressure in the cylinder as a result of its downward action.
2. Compression: This particular stroke starts at B.D.C, or just near the end of the suction stroke, and completes at T.D.C. In this particular stroke the piston compacts the air-fuel mixture to prepare for ignition during the course of the power stroke (below). Both the intake and exhaust valves are closed while at this phase.
3. Combustion: equally identified as power or ignition This is the beginning of the second revolution of the four stroke cycle. Now the crankshaft has normally done a complete 360 degree revolution. When the piston reaches T.D.C. (the end of the compression stroke) the compressed air-fuel mix is ignited by a spark plug (while in a gasoline engine) or even by heat induced by high compression (diesel engines), powerfully returning the piston to B.D.C. This stroke makes mechanized work coming from the engine to spin the crankshaft.
4. Exhaust: also called outlet. Throughout the exhaust stroke, the piston again returns from B.D.C. to T.D.C. when the exhaust valve is open. This process casts out the spent air-fuel mixture by using the exhaust valve.
How to Tune a Nitro RC Car Engine
Adjusting the High End Needle
The general functionality of the engine is mainly checked simply by the way you tune the mixture. The leaner the engine to a degree, the faster it will definitely proceed and the hotter it will likely run. Too lean will probably break the engine.
Identify the point just where it’s running nicely and with a good deal of power, after that wind the high speed mixture out only a fraction.
If you fail to detect a light flow of blue smoke coming from the exhaust it might be too lean. You will most likely need to make the high speed mixture richer. (It’s the screw that has the brass sleeve around it). Just realize the engine adjustings touched on above are not definite due to differences in type of fuel, brand, % nitro, moisture, altitude, and so on.
Engine life differs on the performing temperature. Recommended engine temperature is about 104-115 degress celsius or 220-240 degress faher
Tuning Low Speed Mixture
The most practical procedure to check the low speed adjustment is by paying attention to the way the car accelerates from idle, if the engine sputters it’s to rich.
Whenever the engine attempts to stop it is too lean. Anytime you’re making any needle adjustments see to it that you do it really in small adjustments.
Gas For RC Cars
Gasoline-powered vehicles, likewise called “fuelies” and “gassers”, operate on a mixture consisting of gasoline and oil. They cost a lot more (in most cases $800–$3000 RTR) compared to nitro and electric cars. They are definitely significantly larger and that’s why they need more room to operate. They do not ordinarily get at soaring top end speeds (compared to nitro and a few electrics) yet have lots of power and do not require a great deal of fuel to run. In time the expense of a gas-powered car could be much less than some nitro-powered vehicles, due to the high cost of nitro fuel and purchasing brand new nitro engines to switch out worn out ones.
Gas-powered engines seldom if ever need tuning and have a lengthy service life. These gas-powered vehicles in fact pertain to the person who is more concerned with scale than ingenuity. These large scale models have already been really preferred in Europe for around a decade and has fairly recently been popular in the US because of companies such as HPI Racing and FG Modelsport manufacturing economical good quality models locally. HPI Racing is one of the most widely known gasoline-powered RC car maker, in that they have already engineered one of the very best gas powered rc cars and that is the HPI Baja 5B.
You will be able to easily come across top quality gas powered remote control cars available for sale on the web. Most well-known sellers are out there in a lot of the RC online stores. You will likely find a lot of other gas powered control remote cars available online when you do a good and deliberate search.
How Does An Electric RC Car Work
Electrically powered models use mechanized or electronic speed control devices to set the level of power provided to the electric motor, there are two types of electric motors used brushed and brushless. The power provided is equal to the amount of throttle needed from the transmitter, the more you pull the trigger, the quicker it runs. The voltage is “pulsed” operating with transistors in order to create altering output having steady transitions and higher performance.
Many electronic speed controllers have the ability to employ the electric motor as a magnetic brake, providing far better control of the model than is actually likely using a mechanical speed control.
Mechanical speed controllers work with a network of resistors and alternate between them by revolving a head with an electrode around a plate which has electrical contacts. Mechanical speed controllers are really susceptible to being really slow to operate given that they are turned on by servos, waste energy in the form of heat directly from the resistors, usually get dirty and function erratically, and are without a dependable braking capability. They appear just in classic RC models, and are really at this time basically dead and gone.
The brushed electric motor is commonly the one and only type of motor that is in toy-grade and beginner hobby-grade RCs. Kits and various hobby-grade RCs also frequently utilized brushed motors.
Brushed motors can be found in fixed and nonfixed models. Electric motors having fixed brushes are actually nonadjustable and simply cannot be customized or tuned. Nonfixed brushed motors come with exchangeable brushes and the motor could be modified and tuned to a certain degree; it could also be cleansed of dust and build up that collects through regular use.
Brushed Motor – How to care for
Brushed motors demand far more care than the newer Brushless motors. Having the necessary service, stock or modified motors definitely will remain in tip-top shape with maximum power, speed and rpms.
Apply a good motor spray to clean the dirt and carbon deposits. It really is a good idea to do it right after each run. Add a drop of oil over each bushing or bearing.
Many electric cars right up to just recently worked with brushed motors and now numerous people are resorting to brushless motors to get better power output and given that they need considerably less maintenance. They are assessed either in relative turns or *Kv. The Kv number tells the amount of RPM the motor can spin per volt, presupposing no load and optimum performance. However, the capability of the system to spend power depends on the condition of the batteries chosen, wires and connectors providing power.
Good quality brushless systems are far more powerful compared to nitro and is able to execute stunts like standing backflips when added in a monster truck, most notably the HPI Savage Flux. Several 1/5 scale gas to electric conversions are actually in creation but are few because of the very high asking price.
Brushless Motor – How to care for
Brushless motors contain few component parts so it’s simple to take them apart for cleaning. A large number are held together with a handful of screws in the front, back, or sides of the motor case. Take out the screws take apart the motor and put the parts on top of a clean rag. Take care not to lose any spacers or washers which are utilized to correctly straighten the motor shaft (and magnets) within the motor. At the same time document the layout where the spacers or washers were put in.
Choose a small-sized brush and compressed air to clean the inner portion of the motor and put on an extremely light oil of the bearings on each end.
RC Car Race Track
A number of RC racers depend completely on their very own backyard tracks or just simply racing their friends at local parks. However to plan for and enter into decent competitions you probably would like to use a more sanctioned RC race track.
Your local hobby shop might probably own an RC track on the premises. Probably even the employees there possibly could direct you to local RC tracks or clubs that have routine races at tracks that they put together usually for their weekly or monthly events.
To go to certain tracks and events it really might just be mandatory to become a member of the local RC club (look for an RC club) and/or a member belonging to one of the national groups before you and your RC are let on the track.
A brand new (2012) type of electric r/c racing is MAGracing. Small-sized 1/32 scale cars and powered by chargeable batteries and steering and speed are controlled by r/c. Additional steering control is outfitted by steel wires concealed in the track surface making it easy for more precise steering than is doable having free operating r/c cars.
Directories for RC Clubs and Tracks
RC Car Action Track Directory
Search for an RC track globally. Choose a state. Get contact info and links to the track website.
RCUniverse R/C Track, Flying Field, Marina & Instructor Locator
Search their database by type, country, and keyword in order to locate a spot to race your RC car or truck or plane, helicopter, or boat.
QSAC Tracks & Clubs
Locate US clubs and tracks dedicated to quarter scale RC cars. (click the Tracks & Clubs tab).
How to Make A Electric RC Car Faster: 5 Tips
1. Boost The Horsepower
Among one of the fastest steps to hike up the speed of your car is simply by upgrading the motor. Supposing that you are running the less expensive brushed motor, it could be that it’s about time to switch over to a brushless motor.
If you are currently functioning on a brushless motor, you could think of upgrading the turn rating, or Kv rating. This particular spec is nearly always specified on the product sheet. Try to find it in order to get some suggestion of the speed potential of the motor, the greater the Kv rating, the better the motor.
After you enhance the horsepower, you will definitely see a serious boost in your car’s speed. And also, the brushless technology is going to also let you take joy in a lot longer run times and greater performance.
Only always remember that the expense definitely will be more as you change the motor. There actually are even more upgrades which will need to come together through this solution.
You will likely have to change the electronic speed controller (ESC) along with the batteries. The cost for an advanced ESC/brushless motor combo might be really large.
Furthermore, the standard Ni-Mh or Ni-Cad batteries possibly will not provide ample power to handle your new brushless motor. If you really don’t notice some notable changes in your car soon after changing the motor, change to Li-Po batteries in its place. You are going to see impressive speed performance with them.
2. Upgrade The Batteries
Besides the motor, there is another easy way to make your electric RC car goes faster, by changing the battery voltage.
For example, if you upgrade your cells from 7.4 volts to 11.1 volts, you will see an increase of around 25mph in speed! However, there is something to keep in mind. Make sure that your ESC can support the extra voltage. If not, you might end up damaging it for good.
Also, make sure the new battery can fit well onto your car chassis. Nevertheless, upgrading the batteries is still a great way to boost up the speed of your car. So, switch the 2-cell LiPo to 3-cell LiPo and see the positive changes yourself.
3. Adjust The Gear Setting
Should you look into buying a new brushless motor and upgrading the Li-Po battery as being a quite expensive endeavor, there is a wallet-friendly alternative for you simply tweak the gear setting on your electric RC car.
There actually are two ways to complete this. First off, you could change the overall size of the small gear on the motor, also referred to as the pinion. Second, you could also change the size of the large gear on the motor referred to as spur gear.
When you are changing the pinion, then go big. The bigger pinion includes more teeth. When it comes to the spur gear, go small. It comes with a smaller number of teeth.
So, exactly what should you benefit from by having both combinations? You definitely will have more speed surely! This is a ideal setting for your RC car should you want to drive it on a very long race track having only a few corners.
A number of reports explained that a single pinion tooth increase should help you acquire an extra 2mph of speed or more! Doing this is some what in the scheme of things, just remember what we’re trying to accomplish because every last mph serves to help.
Now before you plow ahead and select the largest sized pinion you are able to choose in the store, there certainly are a number of trade-offs for you to think about.
The proposed gear setting aforementioned is not practical for all kinds of racing. Actually, you are going to notice your car being lethargic on small tracks with numerous corners. How come? Well, it is actually due to the slow velocity made from the combination.
When it comes to race tracks with a whole lot of obstacles, it is better to pick smaller pinion and bigger spur gears. By having this plan, you should get much better speed and much higher torque power.
One more point to think about is that the big-pinion-small-spur-gear will cause an increase of the motor and ESC temperature. You should always go to your car’s manual in order to get the suggested sizes of gears. Otherwise, you will end up with one more trip to the store to pick up a new motor/ESC!
4. Change the Tires
Yet another solution for you to attempt to get the highest speed boost is by changing the tires. To begin with, you should always purchase high quality tires. They are generally made of outstanding materials and will be able to last for a long time.
You will not only run a lot faster with quality tires but you would also have the ability to take on tight corners faster and much more expertly. Also, by using the correct selection, the tires will likely provide a much better grip and stop your car from flipping over because of the fast speed.
Apart from the superior quality of tire, you need to also try to find bigger sizes. The ones having bigger diameters will be able to cover a lot more ground per turning.
It has actually been documented that an increase of 0.5 inches in the diameter definitely will cause 4mph to 5mph boost of speed. Now, that is really a sizable big change in the speed!
Lastly, be sure to decide on the right kind of tires that suit very well with your racing style. Following are just some of the fundamental guides on tips on how to decide the right tires for your electric RC car.
Bald worn— Performs pretty good on flat streets and dry tarmac
Full spikes— Spins nicely in mud and on grass
Mini pin— Runs good on clay surfaces and carpet
Step pin— Perfect for off-road surfaces
5. Decrease Body Weight
Believe it or not, decreasing the body weight of the car will be able to further aid in getting the top-notch speed which you dream for. So, just how could you help make your RC car weigh less? To begin with, you could change the heavy parts that lay on the chassis.
For instance, you could select aluminum or graphite parts considering they are actually light in weight. And, you could even pick parts which are constructed from light carbon. Additionally be sure to keep in mind the weight of your tires and chassis.
And lastly, by replacing the battery from Ni-Cad to Li-Po, you are going to also be able to lower the overall weight. Changing to Li-Po is a smart idea anyways just because it provides much more power support to your new brushless and ESC!
Having all the weight adjustments, you will definitely notice your car speed up on the roadway as speedy as some other RC supercars around. One point to take note of when it involves tweaking the total weight of your car: you could lose some of the traction caused by the new, reduced weight. We suggest highly for you to tack on some weight to the front section of the car to have a much better grip on the road. Likewise, look at the guidelines which have been provided in #4 just above where it involves tire choices.
How to Start Up A Nitro RC Car
*To start a nitro RC you have to switch on the transmitter switch after that the receiver switch, put in fuel, prime the engine (get fuel to the carburetor), ignite the glow plug, and then turn on the engine by spinning the flywheel choosing just one of several ways.
There are actually three distinct methods to start the nitro engine: pull start, bump start, electric start.
Just like the pull start motor attached to a lawnmower, a pull cord is on the nitro engine and you pull the T-handle attached to the starter cord assembly to turn the flywheel and start the engine.
Sometimes referred to as a recoil starter, the pull start mechanism causes the engine to settle a little higher, impacting the center of gravity, a realistic problem in RC racing.
RCs that don’t have a pull start system have an opening in the chassis which gives accessibility to the flywheel. The RC is positioned on top of a starter box which includes an electric-powered spinning rubber disk protruding out from it which reaches the vehicle’s flywheel and spins it to start the engine. Doing this is called a bump start system due to the flywheel being bumped up against the disk in the starter box in order to get the engine going.There actually might be a small weight benefit (lighter) regarding a non-pull start engine just because it would not have the added weight based on the pull start mechanism. Bear in mind, with the non-pull start engine, you will have to carry around the starter box and have to connect to a source of power for the box.
Shaft starter. Instead of the pull start mechanism, a shaft starter electric start RC includes a specific gearbox into which a shaft located on the end of a small-scale hand held electric motor (just like a cordless drill or rotary tool) is put inside.
With the push of a button, it turns the engine in order to get it going. A few nitro RCs come set up having an electric start system while other types of RC types could be retrofitted with one. The Losi Spin Start Handheld Starter and the HPI Roto Start Electric Start System are some examples concerning this shaft starter kind of electric starter.
On-board starter. An on-board type of an electric starter, like the Traxxas EZ-Start, installs the small-sized motor for the electric start system onto the RC and at that point uses a battery-powered handheld tool to power it and to immediately fire up the glow plug concurrently.
A few nitro styles with an electric start system can in addition be designed to use a starter box to provide an alternative starting option. When operating the alternate bump start, the automatic glow plug igniter (if installed) cannot be run so you’ll in addition really need a glow starter.
By starting the car, having the wheels off the ground, it will help prevent the nylon drive gears from melting. The wheels must absolutely turn freely at all times, raising the car is done any time you’re starting the engine. Get a brick or anyting which will lift the car off the ground. Just see to it that the brake is off by pushing the car forward with the engine off and having the throttle trim on the transmitter set to idle position.
RC Cars Nitro vs Electric
Almost every guide you find will have this topic and they also will give a reason or comparison concerning the two RC vechicles. I won’t, well not in the conventional sense. I believe it just comes down to preference. I have both types of cars and I like both types of cars. It really all depends on what you like and how much you like to tinker with your car. Here is a list of what I think each car provides, the choice is yours to make on which car you think fits you.
A lot longer operating periods
Must purchase gas
Smells terrible (my viewpoint).
a bit more costly to purchase the car.
cars are really much more sophisticated (a lot more might need repairing).
Much less Maintence.
A better choice for home use.
Cars feature a lot faster acceleration ordinarily.
Small operating periods.
will need to wait several hours to charge batteries.
Brushless motors are really quite expensive.
RC Cars For Beginners
Toy-grade RC cars are primarily put together having an emphasis on design combined with minimizing manufacturing expenses. Where as a hobby-grade car includes different electronic parts that are independently exchangeable if they go wrong, toy grade cars are almost always assembled with components more difficult to find because replacement parts and a single electronic circuit board included into the design of the vehicle.
Stock toy-grade cars are generally installed with weak motors and are run by alkaline or NiCad batteries that almost guarantees their full speed is ordinarily just 5-15 mph (8-24 km/h).
Less expensive ones are without any type of a suspension and the ones that do come with a suspension come with really primitive or rudimentary designs.
Steering is often definitely not proportional (with simply just three positions: forward, full left, and full right) and generally there is commonly no proportional “throttle” as well, with stopped and full power generally being the only selections.
With all of the shortcomings, toy-grade remote controlled cars are actually a perfect introduction to the hobby, especially for ages 5-10, and are really a economical platform for customizations and tuning even for older hobbyists.
Over the last few years, hobby-grade “ready-to-run” (or “RTR”) vehicles have become immediately usable from leading companies of radio-controlled cars, pleasing a lot of hobbyists who might otherwise possibly not have bought a kit car. Cars of this particular model require very little or no final assembly and in many cases, the bodies are delivered painted and trimmed. Essential safety examination of the model to guarantee proper function is really necessary, given that personal injury to drivers or spectators from breaking up vehicles is quite possible.
A lot of cars and trucks are already for sale just in ready-to-run form. The increasing level of popularity of the RTR vehicle has actually induced a lot of companies to stop manufacturing of kit vehicles. High-spec racing vehicles are widely still out there or sold only just as kits, and manufacturers like Thunder Tiger, Losi, HPI, Traxxas and Tamiya sell kit and RTR models having the benefits of a kit version both in updated parts or reduced costs, respectively. Hobby grade vehicles can most likely cost a lot more, varying from $90 to more than $2000.
RC Car Types
Trucks are simply your monster trucks. They are really awesome offroad but very slow onroad. They could flip over a lot when attempting to perform high speed turns so these are really not necessarily quite the most desired for onroad and you should really purchase these if you intend to drive in the woods or in the grass all the time.
Drift cars function like on-road cars but having slick tires. You can easily slide around turns and continue to get nearly as fast as an on-road car. They are really good if routine cars bore you but you want to drive fast. Drifting is tough, so be prepared.
These are your standard street cars. They are really the fastest and the most ideal on paved, flat surfaces. Do not purchase this if you are really planning to drive in your backyard or would like something having a lot more power.
Truggies are generally also a crossover similar to buggies, but they are really more for the offroad. It essentially uses the frame of a Buggy and adds monster truck tires on it. These are actually the 3rd fastest on road and the 2nd slowest off.
Buggies are simply a cross between offroad and onroad cars. They are probably the second quickest on road yet the slowest offroad normally caused by their low wheelbase. Buggies benefit anyone who really cannot settle on what type of car they really want, because they will be able to operate it for both.
RC Car Brands
The RC Car market is vast and there are a whole lot of cars out there. If you’re new you probably want to get some advice on your first car from someone you trust, if you’ve been around for a while you have a favorite or more than one favorite manufacturer. Here are some of the big brands that are popular and well known.
HPI cars are really not all that popular, primarily due to the fact that they are usually as costly as Traxxas yet not as top quality. Right now there is very little I could mention about them besides from the things I’ve read through, they have high quality parts and would not need to have many replacements.
Traxxas cars are really pretty fast, sturdy, and good quality. Should you get one of these, you should very seldom have to replace broken or worn parts. Having said that, these cars and trucks start off at approximately $300 and do not ordinarily contain a battery pack and charger.
From each one of these, Exceed cars are definitely the most affordable, however they quite often need spare parts and a some what high level of maitenence. I can personally advise you to primarily only get an exceed when you do not desire to invest a lot of cash and you are more than willing to spend $10 for shipping every single time a few parts break. The cars start off at $90 and a lot of the parts are decent quality.
Tamiya is really the classic RC car brand. They’ve been undeniably making great cars for at least 30 years. They start off at about $200 but are just a little slower compared to various other brands for that asking price because of the classical “Low-Tech” designs.
Glow Plug Igniter for RC Cars (Nitro)
A lot of today’s glow plug igniters (at times referred to as a glow plug warmer, starter, heater, or driver) for nitro RC engines provide chargers which you plug right into the igniter and in the wall (what are actually frequently known as wall warts) for charging the NiCd battery in the igniter.
Regarding various other types of glow plug igniters, (like the one above) you put in a C or maybe D alkaline battery in a place inside the handle, no charging needed.
There is another type of glow plug igniter, this kind has two wires positive and negative attached to it.
This one needs a separate battery in order to power it up. You’ll need to get one of those large squared 1.5 V hobby batteries having the wire coils on the top. They can be found at RC hobby shops, you could possibly buy them for a lot less at big box stores like WalMart (in the automotive area).
Put the wires coming from the igniter to the related positive and negative terminals on the battery to power up the igniter so it will ignite the glow plug. Several igniters might come with alligater clips on the wires making it simpler. This type might be sold with or without having a battery included. The Ofna Glow Plug Heater and Magnum Glow Plug Clip are examples of this particular type of igniter.
What Is a Servo for a RC Car
A servo is an electronic device which is utilized to handle RC vehicles by figuring out the motion direction. Other than being utilized in RC vehicles, it is likewise typical in robots, electronic toys, and electrical appliances.
RC servo motors run based upon the waves of pulses provided by a command, say coming from a transmitter, to produce a mechanical motion. As an example, we utilize a servo to manage steering by adjusting the levers backward and forward. We additionally operate a servo to manage the speed of the car by adding it to the engine throttle.
How To Check Servo
When the transmitter as well as the receiver are both turned on (engine not operating) confirm your steering, throttle and brake servos are all operating properly. Confirm each time you turn the wheel on the transmitter left the wheels turn left, and then check out the right side. After that pull the throttle trigger, the carburetor venturi ought to open. Push the trigger back the brakes should really be administered. If servos are reacting slugishly check for weak batteries.
Analog Servo vs Digital Servo – Which One Is Best
Whenever it comes down to considering the style of servos for your RC cars, RC trucks, and RC helicopters, there really are various possibilities readily available on the market. When you are selecting one for your RC vehicle, odds are you are going to run across a bunch of terms. Analog, digital, coreless and brushless are a few of them. The focus here will be on two of them, analog and digital.
An Analog RC servo motor is generally the regular model of servo. It sets the acceleration of the motor by basically delivering on and off pulses. In most cases, the pulse voltage has a reach approximately between 4.8 to 6.0 volts and consistent when at just that. The analog gets 50 pulses for each second and whenever idle, there is zero voltage sent out to it. The longer the “On” pulse is being sent out to the servo, the faster the motor turns and the higher the created torque. Definitely one of the vital problems of the analog servo is its lag when responding to small commands. It really does fail to get the motor turning quickly enough. And also, it likewise creates a sluggish torque. This particular problem is known as “deadband”.
A Digital RC Servo possesses a unique way of putting out pulse signals to the servo motor. If analog is meant to send out a continual 50 pulse voltage per second, the digital RC servo is capable of putting out up to 300 pulses per second! Having this fast pulse signals, the rate of speed of the motor definitely will improve quite a bit, and the torque definitely will be much more steady; it lowers the amount of deadband. Consequently, anytime the digital servo is used, it produces better response and faster velocity to the RC unit.
And also, with the lower deadband, the torque also ensures an even better holding ability. Each time you operate using a digital servo, you can easily experience the immediate feel of the control.
As an example let’s say you are connecting a digital and analog servo to a receiver. The moment you turn the analog servo wheel off-center, you are going to see it reacts and resists, eventually the lag is apparent. That being said, whenever you turn the wheel of the digital servo off-center, you are going to believe the wheel and shaft reacts and holds to the place which you set very fast and easily.
Physically compared, there actually is just not too much of a huge difference. Both of these use three-wire connector equipment and consist of very similar internal components. The one huge difference is probably the digital comes with a microprocessor which automatically controls the frequency of the pulses. When we observe both RC servo motors, the distinction is truly much more exposed from the operational perception. After testing, we have actually discovered that the digital version enjoys many strengths over the analog.
Digital servos show better speeds and acceleration than analog servo
Digital servos have a much higher torque and therefore, far better holding capability
The digital type features a better and smoother output as compared to analog. But, there actually is a bit of disadvantage that goes with this style of servo– high power use. It really makes good sense considering the signals of on/off are simply being transmitted far more often as compared to analog. Consequently, it certainly has a far better accuracy and precision, still it comes with the cost of power.
If ever you like to switch over from analog to digital servo for your RC cars, we seriously suggest you to choose an efficient battery or switch to BEC circuit to run the servo. After you adjust the battery or circuit to accommodate the powerful digital servo, the power utilization is no longer a concern.
And, the digital RC servo often runs with a small amount of noise whenever it operates in a neutral mode or not being commanded to move. This is because of the fast voltage adjustment produced in the motor. Pertaining to the economical cost, digital servos are generally more costly in comparison to the analog models.
Along with that, the thousands of voltage pulses sent out to the motor could also use up the battery very quick. On a different note, you really should know that certainly not every digital servos are preferred than the analog ones. When you examine between the low-spec digital and high-spec analog, the latter can deliver more ideal speed and torque.
Digital servos are way more effective in accomplishing its job. Still, it does not imply that you need to definitely choose it for your cars. When you are looking for a brand new steering or throttle servo, try to think of the speed and torque which you need to have and if they are really crucial.
Depending on the kind vehicle, an analog servo works just fine. And, a bashing RC truck might just require a different servo rather than a standard RC racing car. You really should also take into consideration the added costs (e.g. increased price, more upgrades) that come along with a digital servo. Purchase intelligently, and you will surely take joy in a much better steering and speed functionality on your car!
How To Break In A Nitro RC Car Engine
Proper nitro engine break-in is essential regarding the long-lasting functionality of your RC. Pretty much every new nitro engine needs to receive a break-in process that involves from one to two hours also around three to five tanks of nitro fuel. Be really patient when you break in the nitro engine the proper way, the repairs and maintenance to your RC vehicle will most likely be much less pricey than if the process is carried out quickly and improperly.
Pick a well-kept, level, paved or unbroken surface area.
You’ll be performing the initial break-in having the body removed so you don’t ever want to be knocking up dirt or flipping the vehicle. Through the initial couple of tanks of fuel, concentrate on adjusting and limiting your acceleration. Do not use your engine past half-throttle and do not go at a constant speed.
During break-in, deposits develop and can easily foul out the glow plug, so your engine possibly will look like it’s stalling or just not starting as it should. This is usual. Proper break-in minimizes these symptoms. Have an additional glow plug or two ready if you really need them.
Safety Checks Before Starting
1. Put on the Controller
Turn your transmitter/controller on first, next the receiver on the RC. As soon as you’re done running your RC, switch the receiver off first, after that the controller. This specific order is going to prevent your nitro RC from operating erratic if ever somebody close by is functioning on the exact same frequency. Do yourself a favor though and test frequency ahead of operating your RC.
2. Position the Engine in Neutral Move the throttle forward and reverse to make sure that your nitro engine operates in neutral and that it’s operating in the idle position each time the throttle is released.
3. Inspect Your Steering Move the steering controls back and forth. In the event that steering seems to be lethargic or hesitant, switch out the receiver’s batteries prior to continuing.
Procedure For 3 To 5 Tank Gas Nitro Engine Break-In
With every tank of fuel, you’ll increase the quantity and time of the throttle. Apply all of these tank-by-tank tips for your nitro engine break-in.
Give the engine one-quarter throttle gradually for 2 seconds. Use the brakes. Should you tug back on the throttle too quick, you may likely induce your engine to stall.
Whenever there is a good stream of blue smoke flowing from the exhaust, that suggests your fuel mixture is correctly set and the engine is being lubricated. When no smoke exists, hike up the fuel mixture by giving the air/fuel mixture needle an one-fourth turn until smoke appears.
Keep running the first tank of fuel, continuously giving it one-quarter throttle, and then braking until it is nearly empty. Do not actually run the tank completely dry just because it would lead to a burned out glow plug coming from the fuel mixture being very lean; this may also create damage created by very high engine temperatures.
Block the engine by pinching the fuel line to the carburetor; let it cool for about 10-15 minutes right before you begin on your next tank of fuel.
Advance to half-throttle for about 2-3 seconds concerning the second tank of fuel. Please remember to accelerate gradually thru the whole entire break-in process.
Do it over and over just as long as you have fuel. Once the second tank is finished, repeat the shut-off and cool-down steps much like you saw to with the first tank of fuel.
Regarding the third tank of fuel, use for a 3-second count when at half-throttle, after that brake. At this time the engine starts to really go, the idle might probably have to be adjusted lower.
You are going to realize an idle adjustment is really needed when your nitro RC will not sit still as it’s idling. Work with your tuning screwdriver to turn down the idle by simply turning the idle adjustment counter clockwise to lower the idle speed. From this moment forward you won’t need to let your engine cool off in between tanks.
With the fourth tank, do your nitro RC full throttle a count of 3 seconds and after that brake. In case your nitro RC is fixed up by having a multi-speed transmission and attempts to shift in some other gear, let go the throttle then brake. Whenever doing a 3-second count on tank four, just remember to increase your speed smoothly to keep from causing wheelies or turning the RC over.
When it comes to the final tank of fuel, frequently accelerate to full throttle in 3 seconds and hold for 2 seconds, and then brake. Once this tank is finished, the break-in process is done.
How To Prime A Nitro RC Car
Start your RC. Look to detect if fuel is flowing thru the lines. If fuel won’t get to the carburetor subsequently after 3-5 seconds, press and let go your finger around the tip of the exhaust for a few seconds to help the engine start-off. Doing this is referred to as priming the engine.
In case the engine should flood, use your glow plug wrench in order to take out the glow plug. Lay a rag over the engine head. If provided, utilize your electric starter. Start-off the engine to draw the remaining fuel out and clear off the head using a completely dry towel to clear away all of the remaining fuel. Reattach the glow plug and go ahead with the first tank for the break-in procedure. Your nitro engine probably should not be really primed for much more than 1-2 seconds at a time to keep from flooding.
A lot like an actual automobile, RC cars and trucks need to have periodic maintenance. As a result of operating your RC for some time you will have to do after-run maintenance. Most radio controlled vehicles electric and nitro require after-run maintenance but a couple of the tips listed here apply just to nitro engines.
1. Do a visual examination.
Examine your RC car making certain there is zero physical harm for example, damaged parts, cracks in the body, or tires that might perhaps have come unglued which you probably have to repair.
2. Rub down the body.
After performing a visual investigation, if there are really no problems or cracked parts which have to be replaced, completely rub down the RC body with paper towels or shop towels. When it comes to tough to get to places you can use a toothbrush or a very small brush of some kind in order to get the dirt or whatever else off of the small parts which you can not take out using a towel.
3. Empty the fuel tank (nitro).
Assuming that you have a nitro RC and you’re intending to set it out of the way for a different race day make certain that you drain the fuel tank. Not emptying the fuel tank will lead to condensation to develop in the fuel tank leading to major damage to your nitro engine. Nitro fuel is usually alcohol-based and it is prone to moisture (water) combining with the nitro fuel.
4. Clean and oil the air filter (nitro).
It does not matter if you’re racing on the race track or just playing around with your friends, dirt and various other crud could get captured in the air filter. Clean your air filter regularly to try to keep your nitro engine at the highest possible performance.
5. Put in after-burn oil (nitro).
Following a rough day at the track you’re all set to put your nitro RC to bed. Remember toput in after-burn oil to the cylinder head to try to keep everything lubed and prepared for the next time you are ready to race. Not doing so may result in significant harm to the cylinder head and your wallet.
6. Examine tires for damage.
Hobby-grade RCs have a great deal of torque in their high-powered engines that may lead to tires to come loose just after a very long day at the track. Look for damage like cuts, gashes, or missing pieces in the tires – change the tires if needed. Reglue the tires to the wheels if necessary.
7. Take a look at shocks/suspension.
Suspensions take a pounding after making long jumps, hair-pin turns, and some other rough activities. Check out your suspension and put in oil to your shocks, if needed.
8. Examine screws. Loctite Use With RC Cars
Screws do come loose in time. Actually a few runs of a nitro engine at great speeds may shake loose screws, nuts, and bolts. Re-tighten loose screws. When it comes to screws that go into metal, if they are not already applied with Loctite or some other thread-locking compound, apply a coat of it to more effectively tighten the screws. For screws in plastic, see to it they fit in snugly but do not overtighten or you run the risk of stripping the plastic.
9. Check out your batteries.
If you intend to put away your RC for over a week it is a smart idea to take out the batteries from the controller and the RC vehicle to avoid any kind of problems like corrosion– which could happen unexpectedly and bring about really expensive repairs.
10. Charge battery packs.
If you are going to be racing your RC the next day then taking out the batteries is really not called for. However don’t forget to charge the battery pack(s) the night before or the day before you go racing so you definitely will have all the charged batteries you really need.
11. Do all other required repairs.
Reglue pieces which might have fallen off the body or patch holes and change decals, touch up the paint job. If a lot more than just simple repairs are required, you might need to set aside your vehicle for a little while. Operating a broken RC is going to only create more, very likely uncorrectable damage to the vehicle.
Clean and Oil Air Filter
Racing your nitro RC on the street as well as off-road can certainly have its toll on the nitro engine’s air filter created by crud and many other debris which get in and decrease the operation of your nitro engine. Washing the air filter is part of the maintenance you will need to help keep your RC at the best possible functionality.
Take out the air filter out of your nitro engine’s carburetor by turning it just a little and pulling it off. Take care not to damage the inlet to the carburetor.
Take apart the air filter. Detach almost all the component parts, including taking out the foam insert, the piece that has usually the most dirt and debris caught in it.
Clean all of the parts well in the soapy water, also including the outside of the filter which has a screen that serves to help the filter trap much of the dirt and debris.
As soon as you’ve cleaned the parts fully, rinse out every part with running water. Make certain to rinse all of the soap off the foam insert and wring out excess water.
Completely dry every single part including the foam insert. You can make do with a can of compressed air to hurry this process.
As soon as the parts are completely dry, use around 30 to 40 drops of air filter oil to the face of the foam insert.
Make certain the foam is completely covered on the top and put it back in the air filter having the coated part put in first and coming in contact with the screen on the air filter.
After that simply just put together the remainder of the air filter to end the process.
Shock Oil for RC Cars
Shocks and springs pertain to the suspension for RC vehicles. Oil filled shocks permit RC vehicles to have much more stability on rugged ground. Without having the oil the shocks press together and rebound very fast and does not absorb or dampen the bumps in the roadway. If you notice that your shock absorbers are not behaving accordingly you need to take a look at the fluid amount and add in additional oil to the shocks.
Shock oil can be found in various weights like 40, 70, or 100. We utilize and advise using 60 still explore the conditions under which you operate your car. Modifying the weight of the oil alters the damping rate (the compression of the shock) in order that you may finetune it for varying road or track conditions.
Cleaning off Dust
The 2 very best ideas to clean a dust-covered RC car is simply
compressed air and regarding a nitro car a spray bottle of methylated spirits (denatured alcohol). Hold the car up in the air using one hand taking hold of the front crash bar and spray away. Be careful to never ever drown the electronics with methylated spirits.
In case you are a racer I recommend you bring a small compressor along with you to the race track. Compressed air can most likely be bought from any walmart, office supply store or home depot.
Batteries For RC Cars
LiPo battery for RC carThe majority of the time when you purchase a car they have a battery, yet a few may not. If ever that occurs, you could be faced with this selection, LiPo (Lithium Polymer) or Ni-Mh (Nickel Metal Hydride).
LiPo battery packs are really the batteries of the forthcoming future and if given the chance, make the purchase. For $10 more you could buy a battery pack that would provide not just extended run times but additionally even more power. They usually do not always lose their charge over time.
Ni-Mh battery packNi-Mh batteries are generally less expensive and “much safer” (LiPo batteries COULD blow up if incorrectly charged) but ultimately they are not really worth it. Pay a couple of additional bucks and save a lot over time.
Criteria for a electric RC Car battery:
Voltage: 7.2 volts
Capacity: 1800mah +
They’re generally put together out of 6 X 1.2 volt cells
How Long Does a RC Car Battery Last
Nitro cars normally go a bit longer for every tank yet this again is really quickly changing with much higher capacity batteries continually coming into the market. Somewhere around 5-10 minutes according to just how demanding the car or truck is handled.
Concerning electric, several electric cars and trucks may include a 1800mah battery that lasts somewhere around 5 minutes, once again being dependent on how rough the vehicle is driven and the surface it is driven on. Grass for example can run down a battery a lot faster simply because grass brings about a good deal of resistance.
Batteries using even larger capacities as high as 4000+mah are widely available and these should last twice as long per charge then the 1800mah. Spare batteries can vary in cost depending on the capacity. The bigger the more costly. Understand that battery quality impacts the cost also.
The majority of remote control cars are generally made to run for the international standard for electric car reacing, which is races are mainly held for a 5 minute timeframe.
RC Car Battery Charger
There really are literally vast quantities of battery chargers on the market for various types of batteries. When you buy pretty much nearly anything that requires charging a battery the directions tend to often generally say, “charge battery 4 hours well before using”. Which seems to be the standard. If you’re anything similar to me charging a battery for 4 hours feels like 4 days especially when you have a new car that you really want to get out on the road. But it is what it is and batteries have to charge slow.
Generally there are normally three approaches the way batteries are charged and each one will be covered below:
RC slow chargerThese commonly output roughly 150mah and take just about 17 hours to charge a 2000mah battery. The charger most times does not switch off automatically.
They are able to in general output about 5 amps (5000mah) and take somewhere close to 30 minutes to charge a 2000mah battery. They often normally come with an auto cut off once the battery is completely charged.
RC fast charger with peak detect: Many good quality fast chargers come with peak detect which automatically detects whenever the battery is full and quits charging the battery.
There is a different kind of charger needed for lithium polymer battery, and yet a lot of new chargers do support lithium batteries. The charger needs to recognize you’re working with a lithiun battery. You will need to tell it.
A lot of different LiPo chargers really take 30 to 60 minutes to charge a LiPo battery.
Field chargers are probably a lot more advantageous simply because you are able to charge batteries while you’re out doing your thing, you really don’t need to go home to charge.
You simply put on the alligator clips to pretty much any 12 volt battery to charge. It is the preferable kind of charging for modellers.
The real serious Electric RC modellers keeps a good 12 volt power supply (I put together my own) at home and then connects the 12 volt field chargers to it.
What To Do To an RC That Won’t Run
An RC that discontinues working (or at no time started off at all) or controls sluggishly is discouraging. Yet frequently it’s an issue incredibly easy, very common that went wrong. Right before you rip it apart (or pound it to bits) take a deep breath and inspect all of these general and moderately simple to repair trouble areas first. Whether or not you feel in one’s bones this isn’t actually the trouble. Almost always take a look at the obvious and the basic thoroughly. You may well be shocked. Or, you can dismiss the simple issues prior to taking on more complicated repairs and corrections.
- Test Your On/Off Switches
You may find, it may prove to be humbling, but more often than not the trouble is likely a specific thing as basic as possibly not switching on both the transmitter (when it comes with a switch – a few toys may not) and the RC vehicle. Regarding many RCs you could actually even want to have a flashlight so you will be able to definitely identify which position is on and which is off. You should take a look at this first. But if just putting on the switch does not do the trick, see to it you have the switches set in the off setting prior to meddling around inside your RC.
- Change Out the Batteries
The batteries are actually usually at the root of several RC troubles. Not working at all, going really slow, or even shutting down all of a sudden might be battery-related.
- Missing Batteries
Check out the RC as well as the transmitter.
Be sure the batteries are really in the correct positions, pointing in the right direction, and fully installed in their little slots.
Use some brand-new batteries. And if you’re working with some low-cost brand, try out a different brand. When utilizing a battery pack, make certain it is totally and completely charged.
If the car has been parked for a longtime or the battery slot has been subjected to dampness and air there certainly might be some corrosion. Aside from switching out the batteries, clean the battery connections.
- Add in Fuel
A nitro RC could be a complex and difficult piece of equipment. Just before you begin playing with engine settings, check out the fuel tank. Is there fuel? Is it recent? Is there a twist in the fuel line? When a fast visual assessment does not uncover an easy answer, next you may likely want to do a complete fuel system check. It’s simple however it requires a lot more time.
- Choose the Correct Transmitter and Frequency
When it’s an RC toy, check that you have the right transmitter. When you have a bunch of RCs it really could be very easy to mix them up. Supposing that you purchased the RC used, the owner could possibly have given you the wrong transmitter. Try to find the frequency sticker on both the transmitter and the car (generally someplace on the bottom, probably close to the on/off switch or maybe around the battery slot. They really should both be the same (like 27MHz or 49MHz, etc.). If you have the wrong transmitter, you’ll have to get the right one.
For hobby-grade RCs, look at the crystal in the transmitter and in the receiver on the car. Make sure you have matched set. Should you have a different set you could work with, try them.
- Examine Your Antennas
When the RC uses a telescoping antenna with the transmitter (or vehicle), make certain that it is completely let out. While it surely would not stop the RC from operating at all, it may minimize your range or provoke it to operate erratically.
See to it that the receiver antenna on your RC is correctly mounted, not twisted or damaged, not touching on metal parts in the RC, and in no way dragging directly on the ground.
- Check Your Servos
At least one hint that the issue is in your servos is generally when the RC acknowledges exclusively to certain directions coming from the transmitter but not always others, for instance the wheels may turn yet it will not proceed.
Try removing your servos off the receiver and putting them into a receiver which you know is operating (make sure to match the frequency of the receiver and transmitter).
In case the RC still will not obey well then your servos, and not the receiver or transmitter, could need repair service or replacement.
In case you really don’t feel confident fooling with the inner parts or really don’t have a proven operating receiver available, try taking the RC to a hobby shop or RC club and seek a little testing assistance.
- Reconnect Your Wires
Detached as well as damaged wires can absolutely trigger a lot of issues. When steering is operational and yet the RC will not budge, it could very well be because of a loose wire from the motor. Loss of steering might signify a loose wire to the steering servo. If the RC does not seem to be receiving power in any way and you feel certain the batteries are strong, maybe a loose or detached wire from the battery pack or battery compartment that’s leading to the problem. Reattaching loose connections or resoldering wires (a little bit more complicated) might just remedy the trouble.
- Reset Your Gears
Slipped gears can absolutely prevent your RC from moving along. But if your gears are simply stripped they might probably not have to be taken out but instead the pinion gear might only have to be tightened up and realigned with the spur gear. A warning that it is the issue will be when the RC is making a grinding sound and will not go.
- Replace a Damaged Steering Arm
When the RC operates but it sways you probably have cracked a steering arm. Peep inside for a very long strip of plastic (just like the tie rods attached to a real car) around the front wheels. Is one cracked? You can change it using a piece of firm wire,similar to a coat hanger.
How to Fix a Pull Start on a RC Car
While the pull-start regarding an RC could certainly not work properly for a few various issues, two regular conditions are a pull-cord which will not pull out or else a pull-cord that wouldn’t recoil. The first is generally sometimes caused by a problem called hydrolock or hydrostatic lock (essentially, the engine has likely locked up) and so the cord can’t pull out. The stuck in or stuck out may be because the cord has probably come off its track/flywheel. For each situation, look at the relevant actions discussed here.
Cord Stuck Inside
Whenever your cord will not pull out maybe that pressure has likely built up inside the engine.Take out the glow plug.Pull on the cord a number of times.
If doing this frees it, put back in the glow plug and try your engine.
Cord Stuck Inside and Off Track
If your cord can’t pull out and taking out the glow plug and giving the cord a couple of yanks does not get it done, it might have come off the track/got caught or twisted inside. You’ll have to get to the flywheel and rewind the pull-start cord.
Cord Stuck Outside and Off Track
If your cord is literally caught unwound and will not get back in, you’ll should get to the flywheel and rewind the pull-start cord.
Rewinding Not an Option
If rewinding will not work, you might possibly have to switch out the pull-start assembly. Many RC drivers like to just switch out the pull-start instead of trifling the spring and attempting to rewind the cord. It’s your decision.
Change Starter Methods
To prevent pull-start troubles entirely you might probably really want to look into revising your nitro RC to a roto-start (shaft starter) system.
Trouble Shooting Electric RC Cars
Battery Does Not Charge or Gets Warm
Whenever the battery is not charging it might be defective. Did you put the battery in “only after” the charger was switched on. With a few chargers when the battery is plugged in before the charger is put on the battery will likely not charge. Having this kind of charger the power light must definitely be on before the battery is plugged in.
Engine is Not Functioning or Jerks
This is typically brought on whenever the cars main battery is low. Try and determine the voltage regarding the car battery with the car going utilizing a multimeter. The battery should really display > 7 (greater than 7) volts when connected into the car … with the engine running, and the wheels up off the ground (car resting on a block of wood or anything similiar).
In order to check the battery voltage move the multimeter probes around the wires on back of the plug. It might probably be snug but you really should have the room to accomplish it. In addition inspect to see if any one of the following plugs has come unattached in transit:
Steering servo plug – Inspect the place where the steering servo connects into the receiver.
ESC (Electric Speed Control) plug – Check just where the ESC plugs right into the receiver.
ESC to engine plugs
Switch to receiver
ESC to motor plug
Crystals – There are actually two crystals, one on the transmitter and one on the receiver.
Smoke from the motor is usually caused by the motor running excessively hot.
This can be caused by too much resistance on the car the following may cause resistance: hot ambient temperature, over gearing, long grass, and dirt in the engine. It is very wise to set yourself up a maintenance schedule for your car. Especially after operating it frequently.
Almost all RC cars really don’t normally include tools but many people have practical tools at home that are adequate concerning these cars.
You are going to have to have phillips head screwdrivers, small-sized jewelers screwdrivers, regarding mixture screws, a kit of small sockets and allen wrenches. Each of the items can be gotten at nearly any hardware store as an alternative you can certainly get special factory tools that do make handling the cars a lot easier. The tools you would probably work with frequently are:
This particular tool will definitely be your all design tool it shapes (body shells) it cuts metal, and it glosses and executes a great deal more. Each time you work with it you are going to discover just what I mean.
This tool cuts round holes in order to get body posts in body shells.
Piston Locker – Clutch removal
This tool screws into exactly where the glow plug goes and prevents the piston from moving. This locks the engine so you may take off the nut on the end of the crankshaft.
Scissors are handy for cutting out body shells. They are really good for cutting out wheel arcs and circular pieces of a body shell.
Links and Resources
Here are some good resources if you’re hankering for more!
HobbyTron – You’ll find a robust compliation of RC
CEN Racing – Parts and accessories
HPI Racing – RC Cars
Forums – Forum
Losi – RC Cars
Only Battery Packs – Batteries