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Old Jul 23, 2008, 11:07 PM
Adam
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brier, wa
Joined Jul 2008
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Question
Brushless Airplane motor in an rc car

ive noteced Brushless airplane motors and ESCs are alot cheaper then car ones

has any one heard of or put a Brushless airplane motor and esc in there car?
did it work?
which ones did you use?
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Old Jul 23, 2008, 11:47 PM
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Brisbane Qld Australia
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Depends on the type of brushless motor you speak of. If you are talking about outrunner style motors then yes they are cheaper however they probably wouldn't go very well in a car. 1 reason that I can think of right now....
The KV of car motors say a touring car for instance start at around 3600 for a nice mild system, to get an outrunner in a 540 size to do that many rpm would be very hard. Most of the larger outrunners turn a lot more slowly per volt, they are designed for torque and in an airplane application, allow you to swing a big prop off it. Unless you wanted to climb hills in your tourer than it probably isn't the motor for you.
Brushess aircraft escs have no reverse also.

Having said that though, you can use them in rock crawlers successfully because they are all about torque and don't need any speed hence a much slower turning motor.
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Old Jul 24, 2008, 12:01 AM
Adam
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brier, wa
Joined Jul 2008
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thanks

i dont know much about airplane motors

thanks much
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Old Jul 24, 2008, 12:47 AM
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i put a ultrafly 29 kv ,with heli max 25 amp esc in my a&e rc18r,it went about 40 mph explosive acceleration,the only draw back was no reverse and i had to use my 4 ch plane radio to control the car,because plane esc's, your throttle stick has to be all the way back,so if you used your car radio you would have to hold your throttle stick in reverse before you turned the car on,also no brakes.
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Old Jul 24, 2008, 01:02 AM
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Car motors are typically 540 size inrunners. Alot of airplanes also use 540 size inrunners. Doesn't matter if its for a plane or a car. Alot of rc car guys don't know that they can get these motors for less than $20.

You can use plane speed controllers if you don't need reverse. You can use your normal transmitter if you program it right. They work great and you can get them for $15-$40 depending on the size of your car and how fast you want to go.
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Old Jul 24, 2008, 01:08 AM
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double post
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Old Jul 24, 2008, 01:18 PM
Adam
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brier, wa
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well i was kind of thinking of buying a plane motor and car esc

would that work?
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Old Jul 24, 2008, 03:41 PM
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check out EZ Run motors and esc's
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Old Jul 24, 2008, 05:03 PM
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Brisbane Qld Australia
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Quote:
Originally Posted by adamak46
well i was kind of thinking of buying a plane motor and car esc

would that work?
If you are talking a garden variety car esc then no, it won't work. Brushless motors work differently to brushed. On a brushed motor you have 2 wires, on a brushless you have 3. You could go to www.r2hobbies.com they sell complete brushless systems for cars at a great price. They also sell reversable brushless escs at a pretty decent price also.
There are many inrunners that are available at a great price as TheTick has mentioned, you want a 540 size. For some pretty good speed, look for something around the 4000kv mark if you are going to run it on a stick pack. If you want to go to lipo however, you can run something like a 3S lipo, 11.1 volts. You will notice a huge increase.

Quote:
Originally Posted by igotit
i put a ultrafly 29 kv ,with heli max 25 amp esc in my a&e rc18r,it went about 40 mph explosive acceleration,the only draw back was no reverse and i had to use my 4 ch plane radio to control the car,because plane esc's, your throttle stick has to be all the way back,so if you used your car radio you would have to hold your throttle stick in reverse before you turned the car on,also no brakes.
If you can put up with no reverse and still want to use your aircraft esc in a car with a pistol radio, there is a product available that tells the speed controller to arm with the throttle position on the pistol transmitter. It is called a pistix and the only place I know of it available is at www.offshoreelectrics.com
I use an aircraft esc with a pistol transmitter in my boat and it works a treat.
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Old Jul 24, 2008, 05:04 PM
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There is no difference between a plane motor and a car motor. A 540 inrunner is a 540 inrunner.
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Old Jul 24, 2008, 08:50 PM
Adam
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brier, wa
Joined Jul 2008
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Quote:
Originally Posted by Deestingray
If you are talking a garden variety car esc then no, it won't work. Brushless motors work differently to brushed. On a brushed motor you have 2 wires, on a brushless you have 3. You could go to www.r2hobbies.com they sell complete brushless systems for cars at a great price. They also sell reversable brushless escs at a pretty decent price also.
There are many inrunners that are available at a great price as TheTick has mentioned, you want a 540 size. For some pretty good speed, look for something around the 4000kv mark if you are going to run it on a stick pack. If you want to go to lipo however, you can run something like a 3S lipo, 11.1 volts. You will notice a huge increase.



If you can put up with no reverse and still want to use your aircraft esc in a car with a pistol radio, there is a product available that tells the speed controller to arm with the throttle position on the pistol transmitter. It is called a pistix and the only place I know of it available is at www.offshoreelectrics.com
I use an aircraft esc with a pistol transmitter in my boat and it works a treat.
ok thanks
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Old Oct 27, 2009, 02:31 PM
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Sorry to bump such an extremely old thread, but I have a question related to this-

How do you determine how many amps the motor will draw when put in a car? I have a 3500kv inrunner I was using in an old plane, and a 40 amp esc. Would I be able to move this over to one of my cars?
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Old Oct 28, 2009, 11:05 AM
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Joined Sep 2007
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i worked to reprog airplane esc for working in car

i can reprog many atmega8 esc like mystery hobbyking towerpro 40 to 200A 2 to 6 cell

i'm testing it in racing 1/10 4wd B44 and working fine

i have lipo auto cutoff and throtle ajust

work very good with ezrun mamba feigao motor inruner
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Old Nov 06, 2009, 12:15 AM
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The only problem I can see with using a plane motor is that they are not sealed up at all. They are designed to let air into them and in a car this means dirt too.
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Old Jun 22, 2011, 03:41 AM
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hi guys, i have tried this stuff(connecting a heli motor to rc cars) few days ago, this is the cheaper way of getting a car motor. i think that it should work but only if u r using a rc car esc. the mistake that i made was, i used a heli esc which only allowed me to run my brushless only in 1 direction. this will give u full throttle but no change in direction.

hope u'll succeed in ur project.....my wishes to u.......
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