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Old 01-16-2009, 12:42 PM
  #649  
liljohn1064
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Originally Posted by Verndog
I'll have to double check this (spur size), but I believe I'm running a 75T spur and I know pinion is 32T (48P). Tires are 2.180 dia. and rollout is close to 3.0 or 74mm.

Running speed pasion 21.5, on med sized carpet track. I'm close to speed of 13.5 4 cell with a little lacking low end power. temps 140-150 range after 5-6 min.
Thanks for the quick response Vern. Now I can at least practice from square one instead of hunting for it.

64 p, 92/40 (or 110/48 if it fits), FDR of 2.3, rollout 2.98 inches/75.59 mm
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