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Old 10-06-2003 | 02:55 PM
  #12  
Rangeball
Nontypical Buck
 
Joined: Feb 2003
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Default RE: Spitfire Problems
Feet per Second X Feet per Second X Arrow weight in grains DIVIDED by 450,240 = Kinetic Energy.

Or, you can go to the Bow Jackson Archery site and use his on-line calculator
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