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Old March 16, 2012, 06:18 AM   #17
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Join Date: December 20, 2008
Location: Somewhere on the Southern shore of Lake Travis, TX
Posts: 2,460
My chronograph was about 20 ft in front of the muzzle, as far as the cables on a CED chrono would let be get in front of the gun. I find that if the chronograph is too close to the muzzle, you get inconsistant junk readings due to muzzle blast.
I would have corrected the velocities to muzzle velocities but I can't find my Lyman Black Powder guide which lists BCs of round balls, Maxiballs, and some common Minie balls.
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