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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bullet tips melt! Now what?
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<blockquote data-quote="Engineering101" data-source="post: 1166670" data-attributes="member: 63138"><p>B-P-UU</p><p> </p><p>You have a point, however, what Hornady also said was, once started, which takes between 0.067 and 0.1 seconds, that tip decay is rapid and the degradation doesn't stop until the projectile drops below 2,100 fps. According to my ballistics program that means that the 53 grain VMAX will be "degrading" starting in the range from 65 yards to 95 yards and ending at 315 yards. It will spend approximately 0.25 seconds being "degraded". Also, the thermal capacity of this bullet is very low relatively speaking so while it is happening, degradation will be more pronounced than for any larger caliber bullet. When you add it all up, I think this bullet is right on the edge of tip failure and some of them do fail and some of them don't fail which is the worst scenario because you have a 3.5 inch uncertainty as to aim point.</p><p> </p><p>Having said all that I do have to thank you as you pointed out to me how I can solve the problem. I just have to slow the bullet down a few hundred fps at launch and that should do it! And I'll save powder! It is official, I'm keeping these bullets.</p></blockquote><p></p>
[QUOTE="Engineering101, post: 1166670, member: 63138"] B-P-UU You have a point, however, what Hornady also said was, once started, which takes between 0.067 and 0.1 seconds, that tip decay is rapid and the degradation doesn't stop until the projectile drops below 2,100 fps. According to my ballistics program that means that the 53 grain VMAX will be "degrading" starting in the range from 65 yards to 95 yards and ending at 315 yards. It will spend approximately 0.25 seconds being "degraded". Also, the thermal capacity of this bullet is very low relatively speaking so while it is happening, degradation will be more pronounced than for any larger caliber bullet. When you add it all up, I think this bullet is right on the edge of tip failure and some of them do fail and some of them don't fail which is the worst scenario because you have a 3.5 inch uncertainty as to aim point. Having said all that I do have to thank you as you pointed out to me how I can solve the problem. I just have to slow the bullet down a few hundred fps at launch and that should do it! And I'll save powder! It is official, I'm keeping these bullets. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bullet tips melt! Now what?
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