From: Jonathan Spencer, [EMAIL PROTECTED]
>What I want is the formula so that I can work out if any of my
>carbine loads exceed it. It would be nice if someone who understood the
>formula could write it so I could plug it into Excel.
the equation you need is
KE in ft-lbs = 1/2 m * v^2
where m = mass in grains
and v = velocity in feet/second
You need to convert your bullet's weight to mass, and the Excel formula
is:
=0.5*(Weight_in_grains/(7000*32.16))*Velocity^2
--Jonathan Spencer, firearms examiner
"Justice is open to everybody in the same way as the Ritz Hotel."
Judge Sturgess, 22 July 1928
Cybershooters website: http://www.cybershooters.org
List admin: [EMAIL PROTECTED]
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