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Instead of spending big bucks on one of those high power RC car motors Rabbithazen was thinking outside the box and used a Ryobi drill motor in his RC car. It wouldn’t make sense to go and buy a new drill just to harvest the motor but there are lots of ways to pick these up cheap. For example, most cities have a warranty depot where non-repairable drills with perfectly good motors are going into the trash. "Here is my e-revo recently i tore apart my brand new 18V Ryobi drill. it was a direct bolt-on to the motor plate. i am running two 7cell NIMH packs. This motor does crazy wheelies with 3/4 throttle, full it lifts the back wheels off the ground onto its wing. after a full run this motor barely gets warm. It’s almost still room temp."
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June 27th, 2009
if there are any germans/euros reading this, you can pick up this kinda motors extremly cheap at:
http://www.pollin.de/shop/shop.php?cf=produkt.php&ts=0&p=OTk4OTg4
for example: 14.4V – 21A for just 5 bucks (euros) :p
June 27th, 2009
you could blow the tires off with a three phase brushless motor.
June 28th, 2009
I remember using a motor from a battery operated vaccum cleaner (with dead batteries) to power my RC truck when i was a kid many years ago. It ran like hell… Much faster than with the original motor
June 28th, 2009
Battery drills are so versatile for hacking, they’re great for robots (the battlebots type) & I really like this invention: http://www.youtube.com/watch?v=y8abvlYHK3Q
July 1st, 2009
those 4.6amp cells look awsom, when i was a kid we could only get 2.2amps. i might have to start reliving my childhood as i have a 18v drill with a dead gearbox
September 10th, 2009
A 3-phase brushless motor is really impractical for this. The beauty of the DC motor is the tremendous torque at extremely low RPMs.
Besides, what would he use for speed control? I’m not aware of any 3-phase variable frequency drives this small, and a custom one would be tricky to program from scratch. Do you know of any u-controller code for a variable frequency drive?
July 8th, 2012
[...] I have ever seen. This RC vehicle is using drill motors to provide the get us an go. We have seen drill motors used in an RC project before but it was more of a motor replacement [...]
February 12th, 2013
[...] HackedGadgets: Use the motor from a drill instead of a “proper” RC car engine. I’m going to try this this weekend. Since I have a spare drill laying around, and a spare RC car (had to get the electric engine from somewhere). Just need another set of batteries, but they aren’t that expensive. [...]