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From: "Steve Tyng" <STyng-at-ACPTrust.com>
Subject: RE: Transmission gear sizes [TANKS]
Date: Wed, 1 Feb 2006 14:13:15 -0500
Reply-To: tanks-at-rctankcombat.com

John wrote:

> If I run my transmission with a 10 tooth on the EVW and a 30 
> tooth on the middle shaft, and repeat on to the drive shaft, 
> I have a 6:1 ration.

Actually you will have a 9:1 reduction.  You multiply the ratios of the
two sections to get your final drive ratio.

> If I then have a 4 inch drive wheel on 
> a TTS, what is my final gear ration?

The drive wheel diameter does not effect the reduction ratio.

> And if I go smaller in diameter of the drive wheel, I get 
> more torque and less speed, correct?