| http://www.w3.org/ns/prov#value | - I am totally making these numbers up - so do not take them as some sort of endorsement - but it is possible that the lowest breech pressure of, say 50 psi and the highest at 110 - a ratio of more than 2:1 - might only have a .5 difference in optimal length. say a 10 control bore and a 9.5 control bore.Since the pressure drops so quickly behind the ball as it moves - the starting pressure will star
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