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Old November 28, 2001, 11:06 AM   #5
Dave R
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Join Date: January 7, 2000
Location: Idaho
Posts: 6,073
I think both calculations are off by an order of magnitude or so. Jody, maybe your mistake came in coverting FPS to foot pounds??

Just thinking practically here...a foot pound in the amount of energy needed to move one pound one foot.

In the boxing photo, if 100% of the punch's energy were transferred to the target, and if the target were rigid, it looks to me like it would move the body 1-2 feet. Assuming the body weighs 250 lbs, that's 250-500 ft. pounds.

Another way to look at it...if I move my entire body one foot in generating the enrgy for the punch, I have theoretically created my body weight in ft. pounds. With good technique and velocity, could I double my body weight in ft pounds? Maybe.

So I think the truth is going be somewhere around 1/2 body weight to twice body weight in ft. pounds.

Who needs math when you can BS like that?
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