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Old 10-03-2012, 10:32   #13
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Join Date: Jul 2011
Location: PA
Posts: 384
Originally Posted by Taterhead View Post
My math is correct. So is yours. You are using the mfg box flap velocity. drsjr1969 is using his chronographed number.

Try plugging the measured velocity of 1551 fps rather than the box flap velocity of 1500.
You are correct, my apologies.
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