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nuclear · 07-11-2003, 11:19 AM

Hello guys (edit:more info to bb2k post about r/c boat)
Maybe i am saying non sense but in the r/c car domain (where you have motor spining a 30k rpm a drawing around 30 amps at startup) They recommend soldering 3 caps to the motor. 1st cap:One lead to the +, the second to the -. 2nd cap: one lead to the +, the second to the can. 3rd cap: one lead to the -, second to the can of the motor.
They also recommend for forward only esc (electronic speed controller) to solder a schottky diode from the + to the - to have better performance off power.
They do also recommend to twist the motor wire around each others to reduce the emf, so not to have radio problems.
for more info and some pictures, you can go read the manuals from one of the esc manufacturer www.teamnovak.com
these are the caps used

EDIT: forgot to add that they might be using rare earth magnet to get a higher power motor without using more current. I have seen r/c motor about 10 to 20% smaller but they still had the same power rating because they were using samarium-cobalt magnet.

07-11-2003, 11:19 AM	#156
nuclear Cooling Neophyte Join Date: Mar 2002 Location: Quebec Posts: 46	Hello guys (edit:more info to bb2k post about r/c boat) Maybe i am saying non sense but in the r/c car domain (where you have motor spining a 30k rpm a drawing around 30 amps at startup) They recommend soldering 3 caps to the motor. 1st cap:One lead to the +, the second to the -. 2nd cap: one lead to the +, the second to the can. 3rd cap: one lead to the -, second to the can of the motor. They also recommend for forward only esc (electronic speed controller) to solder a schottky diode from the + to the - to have better performance off power. They do also recommend to twist the motor wire around each others to reduce the emf, so not to have radio problems. for more info and some pictures, you can go read the manuals from one of the esc manufacturer www.teamnovak.com these are the caps used EDIT: forgot to add that they might be using rare earth magnet to get a higher power motor without using more current. I have seen r/c motor about 10 to 20% smaller but they still had the same power rating because they were using samarium-cobalt magnet. Last edited by nuclear; 07-12-2003 at 07:49 AM.