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Old May 14th, 2014, 22:15   #15
Join Date: Feb 2013
Originally Posted by Wrath144 View Post
Comeau, you need to divide by two and then your kinetic energy equation is correct.
Sorry forgot to write the factor, just corrected it. I dont pretend to rewrite basic physics ;-) The important thing I wanted to point out is that If a gun goes from 250 FPS to 500 FPS with same ammo it not 2 time more energy, it is 4 times.

Anyway it is better to calculate with the weight used as Thundercactus said. Also having double polish bb is crucial because i've seen difference between different BB.
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