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littlened

10-06-2009 02:41 PM

Pinion advice

I have a Lazer zx-5, and I want to put in a 4t brushless motor, which I'm going to restrict to around the same speed as a 10t brushed motor for racing. My question is, what pinion should I use to go with the 76t spur already fitted to the car?

I currently have a 24t pinion, but that's just on the stock motor.

Col	10-06-2009 07:35 PM

I assume it's an RTR?

dibble34

10-06-2009 07:47 PM

In both my zx5 and zx5 rtr i ran a 4.5 brushless with a 16 tooth pinion

littlened

11-06-2009 06:38 AM

Quote:

Originally Posted by dibble34 (Post 252515)

In both my zx5 and zx5 rtr i ran a 4.5 brushless with a 16 tooth pinion

What batteries were you using with that?

blue_pinky

11-06-2009 11:46 AM

Will running a 4t down to 10t speeds not run the motor VERY hot and damage it? Under gearing is pretty much as bad as over gearing as I understand it?

littlened

11-06-2009 12:36 PM

I'm not wanting to under gear it, I can use the ESC to limit the power to the motor, restricting it's speed.

dibble34

11-06-2009 06:16 PM

Quote:

Originally Posted by littlened (Post 252635)

What batteries were you using with that?

NIMH, but good ones

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