Interesting FPS theory
Posted 18 December 2012 - 05:36 PM
Posted 18 December 2012 - 05:39 PM
Posted 18 December 2012 - 07:00 PM
Heavier BB = Lower muzzle velocity. Higher energy, Not for pistols.
Posted 18 December 2012 - 07:10 PM
Posted 18 December 2012 - 07:35 PM
Posted 19 December 2012 - 04:25 AM
My MP7A1 MV dropped going from 0.20g to 0.28g BBs (average of a string of 10 shots) but muzzle energy increased. Same for my LM4, but not for my M9PTP, probably due to the short barrel in the pistol.
Heavier bullets/BBs maintain velocity better than lighter but I've no convenient way to determine velocity at (say) 25 meters.
Energy remains constant with AEGs but since a heavier BB will maintain velocity better it should deliver more energy (downrange) to the target. But that's another discussion! Something for you physics majors to delve into over Christmas break!
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