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Old September 13, 2017, 09:55 PM   #26
Prof Young
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Thanks Mississippi. I may take a look at those books, especially the second one. It looks like a good basic education in understanding bullets.

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Old September 16, 2017, 03:40 PM   #27
Prof Young
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Oops. Was reading back thru. On Sept 9 post about my Rem 7 I have the numbers mixed up. Rem 7 was 1:12 twist. Savage was 1:8.

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Old September 16, 2017, 07:29 PM   #28
hdwhit
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Quote:
Mississippi wrote:
And you can't really over spin the bullet, provided it doesn't fly apart due to centripetal force.
Thanks for remembering to add that second clause.

I have to be careful with my 40 grain loadings in my ARs (1:9) since about 3400 fps there's a whisp of silver-grey vapor about 50 feet from the target.

Quote:
But, in this case, a 1:8 twist at super sonic speeds should easily stabilize a 150 gr .30 cal bullet.
Agreed.

This is interesting.

When (and if) it gets explained, please post it.
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