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nitrostarter
RC-Monster Brushless
 
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Posts: 3,156
Join Date: Jul 2005
Location: Gramercy, LA
08.31.2009, 05:43 PM

http://shopswarf.orconhosting.net.nz/spur.html

Thats a description of the Pressure angle. It seems as though it really wont matter, but the 20* is becoming most prevalent.


N. Rustler conversion
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