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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Twist rate, how fast is too fast?
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<blockquote data-quote="Mikecr" data-source="post: 2456913" data-attributes="member: 1521"><p>KRPMs =(720*MV/TW)/1000</p><p>Cal adjusted KRPM limit* =(0.308-CalDia)*238+290</p><p></p><p>*Limited to .308 and smaller because I never seen a larger cal pushed to RPM failure, so I could not define or validate larger.</p><p>Failures are independent of Sg</p></blockquote><p></p>
[QUOTE="Mikecr, post: 2456913, member: 1521"] KRPMs =(720*MV/TW)/1000 Cal adjusted KRPM limit* =(0.308-CalDia)*238+290 *Limited to .308 and smaller because I never seen a larger cal pushed to RPM failure, so I could not define or validate larger. Failures are independent of Sg [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Twist rate, how fast is too fast?
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