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RPM formula

 
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  #1  
Old 08-24-2002, 02:15 PM
daveosok
 
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RPM formula

What is the formula for caluculating RPM for a certain twist and velocity?
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  #2  
Old 08-24-2002, 09:00 PM
Gold Member
 
Join Date: May 2001
Posts: 920
Re: RPM formula

Divide the number 12 by the twist in inches, take that answer, and multiply by the muzzle velocity (fps), and multiply by 60.

The answer is in "RPM"

CatShooter.
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  #3  
Old 08-25-2002, 12:48 PM
daveosok
 
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Re: RPM formula

Thanks Cat
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