Quote:
Originally Posted by Stresstest
my main consern now is mostly about the Feets per second
i dont wanna put 2weeks worth of work on it and realise id have to rebuild a more restrictive gas chamber ((theres limits at how i wanna mod those thing haha))
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Simple energy equation SHOULD give you close results (kinetic energy of pellet = kinetic energy of BB)
Final formula:
Velocity of BB = Square Root ( Mass of pellet X velocity of pellet squared / mass of BB)
Mass of pellet = I have no idea
Velocity of Pellet = 350 fps - remember to sqaure this #
Mass of BB = 0.2
Now this formula won't give you a precise result but I think it should be pretty close. The transfer of the energy to the pellet/BB between the two systems is not identical (different barrel diameters and sealing, geometries, inertial differences, etc). It should give you a good idea if this gun will be shooting at unsafe FPS.
Hope that helps and good luck.