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Unread 07-10-2018, 06:04 PM   #19
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Drew Hause
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Thanks Frank and I can't reconcile those numbers with Coxe's pressure curves or the 1927 SuperX flyer; 1000 fps at 40 yards, with a breech pressure of 3 3/4 tons or about 11,480 psi by Burrard’s conversion.
Coxe was the Ballistic Engineer at Brandywine
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