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Calculating necessary rate of twist?
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<Ola>
posted
I am sure there is formulas for calculating rate of twist that is requiered for a combination of calibre and bullet weight. Can anyone help me to get the formula?

Thanks,
Ola
 
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One of Us
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Ola, the first link is the simple formula for calculating twist. The second is more involved.

http://www.realguns.com/calc/riflingtwist

http://www.lascruces.com/~jbm/ballistics/drag/drag.html

Enjoy

Chic
 
Posts: 4917 | Location: Wenatchee, WA, USA | Registered: 17 December 2001Reply With Quote
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Ola

Perhaps this url will help you

http://benchrest.com/sst/shilentwist.html

jeff
 
Posts: 128 | Location: North Carolina | Registered: 19 July 2002Reply With Quote
<Ola>
posted
Thank You Customstox and retired Jeff!
I check it out!

Ola
 
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