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Rifles, Reloading, Optics, Equipment
Equipment Discussions
Kirby Allen 224 AM progress?
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<blockquote data-quote="ATH" data-source="post: 95339" data-attributes="member: 1656"><p>Very, very interesting concept, please keep us updated!</p><p> </p><p>The only question I have is the physics behind the recoil reduction. The gasses from 70gr of powder still weight 70gr; no mass is destroyed in combustion. This gas must all exit the barrel, so that 70 gr will still exert recoil forces backwards. If you attach a blower tool to an air hose, you certainly feel recoil as the compressed air is expelled. My best guess as to how forward ignition translates into reduced recoil is the timing. The powder stays in the case longer, so it does not exit "en masse" with the bullet to combust in the throat/bbl. This prolongs the amount of time it takes for the mass of what was the powder to exit the bbl and separates it from the bullet by a few additional microseconds, reducing felt recoil.</p><p></p><p>This is all a mental exercise, I'd be interested in pressure/recoil traces to try this out.</p></blockquote><p></p>
[QUOTE="ATH, post: 95339, member: 1656"] Very, very interesting concept, please keep us updated! The only question I have is the physics behind the recoil reduction. The gasses from 70gr of powder still weight 70gr; no mass is destroyed in combustion. This gas must all exit the barrel, so that 70 gr will still exert recoil forces backwards. If you attach a blower tool to an air hose, you certainly feel recoil as the compressed air is expelled. My best guess as to how forward ignition translates into reduced recoil is the timing. The powder stays in the case longer, so it does not exit "en masse" with the bullet to combust in the throat/bbl. This prolongs the amount of time it takes for the mass of what was the powder to exit the bbl and separates it from the bullet by a few additional microseconds, reducing felt recoil. This is all a mental exercise, I'd be interested in pressure/recoil traces to try this out. [/QUOTE]
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Kirby Allen 224 AM progress?
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