R/C Tech Forums - View Single Post - Witch 17.5 motor to buy....

03-04-2011, 09:24 PM

#42

Johnny Wishbone

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Quote:

Originally Posted by M3dreamin2008

I run a ballistic in spec with a 13mm rotor and ceramic bearings and it rips. My fdr is about 3.5 and i'm running on a tight high grip indoor asphalt track.

ROAR spec rules are rotor max dia are 12.51mm

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