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newman1

02-03-2005 01:16 PM

kenetic energy???

i am shooting a 370 grain arrow at 300 fps.can anybody tell me how much energy that would make?thanks:D

HuntingBry

02-03-2005 01:20 PM

RE: kenetic energy???

According to bowjackson.com it's 74 ft-lbs of energy. GoldTip's calculator has it at 73.96 ft-lbs. Either way it's more than enough to kill anything in North America.

newman1

02-03-2005 01:22 PM

RE: kenetic energy???

thanks HuntingBry:D

Sylvan

02-04-2005 04:09 AM

RE: kenetic energy???

newman1,

You can calculate stored energy this way...

STORED ENERGY = VELOCITY times VELOCITY times WEIGHT divided by 450240

where:
STORED ENERGY is in Foot Pounds
VELOCITY is in Feet per second
WEIGHT is arrow weight in grains

so for your example 300 times 300 times 370 divided by 450240 equals 73.960554

of course 74 foot pounds is close enough.

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