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The Physics of the KaBoom…

Posted by on December 10, 2007

Because several folks asked…. Here are the numbers around the black powder v.s hard drive entry from yesterday:

Round ball loads (.530″, 230 grains):
60 grains FFg – 1263 FPS – 815 ft.lbs
70 grains FFg – 1469 FPS – 1102 ft.lbs ***
80 grains FFg – 1654 FPS – 1397 ft.lbs
90 grains FFg – 1761 FPS – 1584 ft.lbs
100 grains FFg – 1855 FPS – 1758 ft.lbs
110 grains FFg – 1931 FPS – 1905 ft.lbs
120 grains FFg – 1983 FPS – 2009 ft.lbs

You should note that my shot was the one with the ***. Not a very heavy load at all. ­čÖé

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