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daveosok
Guest
What is the formula for caluculating RPM for a certain twist and velocity?
CatShooter
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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.
The answer is in "RPM"
CatShooter.
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daveosok
Guest
Thanks Cat
