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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Optimal Barrel Length
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<blockquote data-quote="victor" data-source="post: 104332" data-attributes="member: 3361"><p>Optimal Barrel Length 21.75"</p><p></p><p>Last night I read the "Houston Warehouse Chronicles" that was posted on this site some time ago.</p><p></p><p>One bit of information that I found surprising was the recommendation that barrel lengths be exactly 21.75" long (I'm going by memory here, so let me clarify, that is what I remember the figure to be). Basicaly one of the gurus of that era stated that a barrel length of 21.75 has the best frequency for whipping bullets into the same hole each time. </p><p></p><p>What I don't understand is that there was no mention of barrel diameter, or powder burn rate. It seems to me that both these factors have a lot to do with barrel harmonics.</p><p> </p><p>To put this picture in perspective, I imagine a fishing pole. A long skinny pole will whip back and forth quite a ways. But a short fat pole will not flex nearly as much. But add a thick wall to the long pole and the flex with be reduced.</p><p></p><p>So my question is, how do they come up with 21.75" magic length as best for all applications.</p><p></p><p>Thanks in advance,</p><p>Vic</p></blockquote><p></p>
[QUOTE="victor, post: 104332, member: 3361"] Optimal Barrel Length 21.75" Last night I read the "Houston Warehouse Chronicles" that was posted on this site some time ago. One bit of information that I found surprising was the recommendation that barrel lengths be exactly 21.75" long (I'm going by memory here, so let me clarify, that is what I remember the figure to be). Basicaly one of the gurus of that era stated that a barrel length of 21.75 has the best frequency for whipping bullets into the same hole each time. What I don't understand is that there was no mention of barrel diameter, or powder burn rate. It seems to me that both these factors have a lot to do with barrel harmonics. To put this picture in perspective, I imagine a fishing pole. A long skinny pole will whip back and forth quite a ways. But a short fat pole will not flex nearly as much. But add a thick wall to the long pole and the flex with be reduced. So my question is, how do they come up with 21.75" magic length as best for all applications. Thanks in advance, Vic [/QUOTE]
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Optimal Barrel Length
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