R/C Tech Forums - View Single Post - Help with Reedy 9.5 sonic

08-29-2012 | 07:43 AM

#4

kr8zyshoe

Tech Initiate

iTrader: (1)

Joined: Aug 2012

Posts: 35

From: Lewiston, Idaho

Hey guys, Sorry about lack of info. Its on a FT SC10. My FDR is 13.35. I know If i put a 20 pinion on it then my tire to gear ratio will be closer to 1:1. What do these FDR #'s mean? Is it the larger the FDR the more top speed you have?

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