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SECTIONAL DENSITY FORMULA
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RIP supplied this Sectional Density formula to me last March in a PM.

[I think PM's over one year old are about to go south.]

Here are the numbers:

(grn weight/7000) / (bullet diameter X bullet diameter - INCLUDE the decimal points) = S.D.

For 600NE: (900/7000) / (.620 x .620) = SD of .334



Jack

OH GOD! {Seriously, we need the help.}

 
Posts: 2791 | Location: USA - East Coast | Registered: 10 December 2005Reply With Quote
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