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Hi there again,
I'm pleased that this thread has sparked off an interesting debate.
Raymonds point about the Neutrons was interesting so I decided to do the calculations. Approximately:
Weight of a neutron = 5.14E-23 grains
Speed of light = 9.84E8 fps
so, by mvv/450240 (a good appoximation)
gives us the energy of a neutron as...
wait for it....
1.1E-10 foot pounds. Virtually nothing in other words. Whew! Still it explains why they don't knock chunks off skyscrapers....
Still I accept Raymonds point about stopping power not necessarily being related to muzzle energy. But I can't accept that it's related to recoil either. Who chooses their loads simply because they recoil more? No-one, I expect. I think my original thesis still stands, which was that power for IPSC should be measured by power rather than momentum. 003 care to comment? Raymond? Anyone else?
Thanks as always to everyone for the great debate! T.S.
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