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Old 12-28-2012, 08:48 AM   #40
zstroken
 
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Name: zstroken
Title: For $$$ your name here
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Join Date: Sep 2006
Location: Western Michigan(by the lake)
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Quote:
Originally Posted by 1pieceatatime. View Post
I think to say weight is the main issue is misleading, as a 2" .065 wall shaft is not capable of as many RPMs as a 4" diameter .065 wall shaft at the same length and obviously the 4" shaft would weigh more.

Yes, I think he means the force exerted(centripetal force). Thinking of a jump rope etc. If your slightly out of round/balance, the faster you spin it the more it will be trying to look like a jump rope. A 4" shaft has more resistance to buckling, flexing than a 3" etc.
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Last edited by zstroken; 12-28-2012 at 08:50 AM.
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