Re: Working out the gear ratio
The one part I can help you with is the motor, higher turns mean slower KV.
I think, big think there, but the highest turns on a brushless is 21.5 which gives you around 1600KV. A 13.5 should turn around 2300KV.
I use a 21.5 Brushless in my Tamiya Brusier but it is really to slow for just speeding through the park so it is going in a new Semi build that is being started soon.
The one thing about brushless is every maker rates their motor different so take the RPM I listed above only as a guideline.
Jim
Last edited by JamesBC; 06-18-2016 at 11:39 AM.
Reason: Added Info
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