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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How to test bullet expansion?
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<blockquote data-quote="LongBomber" data-source="post: 2351664" data-attributes="member: 14435"><p>No- I meant what I said, the bullet at 500y will be more like a 1:5 twist. </p><p>Yes the rotation slowed, but the velocity slowed realtively more. The bullet that started at a 1:8 twist from the barrel will be closer to a 1:5 twist when it gets to 500y. The rpm is going to be close (slightly slowed) but the velocity is slowed. The bullet will travel less distance per rotation. Hence the rate of twist will actually be "faster".</p></blockquote><p></p>
[QUOTE="LongBomber, post: 2351664, member: 14435"] No- I meant what I said, the bullet at 500y will be more like a 1:5 twist. Yes the rotation slowed, but the velocity slowed realtively more. The bullet that started at a 1:8 twist from the barrel will be closer to a 1:5 twist when it gets to 500y. The rpm is going to be close (slightly slowed) but the velocity is slowed. The bullet will travel less distance per rotation. Hence the rate of twist will actually be “faster”. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How to test bullet expansion?
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