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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
bullet twist rates over velocity?
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<blockquote data-quote="Michael Eichele" data-source="post: 36579" data-attributes="member: 1007"><p>The higher the rpm's the more explosive it will be. Its called centrifical force and is proven.</p><p></p><p>Most bullets will loose stability when they reach sub sonic speeds whether it is slightly over spun or not. If you spin the bullet faster but lower the velocity you will go transonic sooner and shorten the range.</p><p></p><p>Spinning a bullet a healthy amount more that it needs to be can and in most cases decay the BC faster than normal. Less BC = more TOF. More TOF = more wind drift and more bullet drop. I am NOT saying use a twist slower than what is needed but using one much faster than needed when using most popular components will not help the overall performance. If the highest performance is the goal shoot bullets that your twist was desighned for or build a rifle with a twist desighned for the bullet (s) you wish to use and use that rifle with in the parameters is was made for.</p><p></p><p>This is of course for best results only.</p><p></p><p>[ 10-22-2004: Message edited by: meichele ]</p></blockquote><p></p>
[QUOTE="Michael Eichele, post: 36579, member: 1007"] The higher the rpm's the more explosive it will be. Its called centrifical force and is proven. Most bullets will loose stability when they reach sub sonic speeds whether it is slightly over spun or not. If you spin the bullet faster but lower the velocity you will go transonic sooner and shorten the range. Spinning a bullet a healthy amount more that it needs to be can and in most cases decay the BC faster than normal. Less BC = more TOF. More TOF = more wind drift and more bullet drop. I am NOT saying use a twist slower than what is needed but using one much faster than needed when using most popular components will not help the overall performance. If the highest performance is the goal shoot bullets that your twist was desighned for or build a rifle with a twist desighned for the bullet (s) you wish to use and use that rifle with in the parameters is was made for. This is of course for best results only. [ 10-22-2004: Message edited by: meichele ] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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bullet twist rates over velocity?
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