Calculating necessary rate of twist?

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08 September 2002, 01:31

<Ola>

Calculating necessary rate of twist?

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

08 September 2002, 03:06

Customstox

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

08 September 2002, 17:28

retired jeff

Ola

Perhaps this url will help you

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

jeff

09 September 2002, 09:56

<Ola>

Thank You Customstox and retired Jeff!
I check it out!

Ola