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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Harmonics and temperature?
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<blockquote data-quote="degreen" data-source="post: 1795722" data-attributes="member: 88909"><p>I have read most of the posts on LRH concerning ballistics, but one thing I haven't seen a lot on is how temperature affects barrel harmonics. If I understand things correctly as temperature changes then bullet velocity through the barrel also changes, which in turn changes barrel harmonics. Also wouldn't temperature affect the barrel as well due to contraction in cooler temp's and expansion in warmer temp's? I have been thinking about this for a little while, because during the different hunting seasons temperatures change. </p><p> Where I hunt, it can be 60+ degrees during antelope season, and 20- degrees during elk season not to mention the change in temp going from 5000 feet to 8000 feet altitude. If I use the same rifle for all of my big game hunting (which I don't), but just saying. The only real way around this problem from where I sit is to have multiple loads for different temp's. This would mean burning a barrel just doing load development for the temp changes.</p></blockquote><p></p>
[QUOTE="degreen, post: 1795722, member: 88909"] I have read most of the posts on LRH concerning ballistics, but one thing I haven't seen a lot on is how temperature affects barrel harmonics. If I understand things correctly as temperature changes then bullet velocity through the barrel also changes, which in turn changes barrel harmonics. Also wouldn't temperature affect the barrel as well due to contraction in cooler temp's and expansion in warmer temp's? I have been thinking about this for a little while, because during the different hunting seasons temperatures change. Where I hunt, it can be 60+ degrees during antelope season, and 20- degrees during elk season not to mention the change in temp going from 5000 feet to 8000 feet altitude. If I use the same rifle for all of my big game hunting (which I don't), but just saying. The only real way around this problem from where I sit is to have multiple loads for different temp's. This would mean burning a barrel just doing load development for the temp changes. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Harmonics and temperature?
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