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Nixpus · 03.29.2011, 07:45 AM

Brian G's speed calc gives me theese figures when I run 40 series mashers (6.6 inches) and add 0.25 of ballooning. They are belted... hope it will last ;)

Anyway, the speeds come out like this:
10T 44.22 mph
11T 48.64 mph
12T 53.06 mph
13T 57.48 mph
14T 61.90 mph

No clue on wear... but I my 13T pinion didn't wear too bad last season (Robinson racing). Have 9-10-11T Novak pinion in the mail :)

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Nixpus RC-Monster Carbon Fiber Offline Posts: 138 Join Date: May 2009 Location: Denmark	03.29.2011, 07:45 AM Brian G's speed calc gives me theese figures when I run 40 series mashers (6.6 inches) and add 0.25 of ballooning. They are belted... hope it will last ;) Anyway, the speeds come out like this: 10T 44.22 mph 11T 48.64 mph 12T 53.06 mph 13T 57.48 mph 14T 61.90 mph No clue on wear... but I my 13T pinion didn't wear too bad last season (Robinson racing). Have 9-10-11T Novak pinion in the mail :)