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Pure Logic Co. - Est. 1995

Surface Feet Per Minute
Dia:
RPM: 		SFPM =
Formula: SFPM = (Dia. × π × RPM) / 12
Revolutions Per Minute
Dia:
SFPM: 		RPM =
Formula: RPM = (SFPM × 12) / (Dia. × π)
π (pi)=3.1415926...
Dia.=Diameter (Radius × 2)
SFPM=Surface Feet Per Minute

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Copyright© 1995-2009 · Pure Logic Co. · Last Modified: 09/09/2009

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