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Rifles, Reloading, Optics, Equipment
Reloading
REVERSE TEMP SENSITIVITY????
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<blockquote data-quote="Pdvdh" data-source="post: 2666727" data-attributes="member: 4191"><p>One shot down a magnum-sized cartridge probably raises the ambient barrel temp ~20F, from a barrel starting testing at 0F. </p><p>Which is another reason why I say most guys never bring their barrels down to outside ambient temps when collecting MVs.</p><p></p><p>After 2 shots, any magnum cartridge barrel is now heated 30-40F. It takes a lot of patience and time to let a fired barrel drop back down to cold outdoor ambients temps. So long that when I tested powder temperature sensitivity, I'd try to take at least 3 rifles. So one rifle could chill back down again while rotating thru the rifles. Even then there was a lot of thumb twittling involved. Hurry up and wait...</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 2666727, member: 4191"] One shot down a magnum-sized cartridge probably raises the ambient barrel temp ~20F, from a barrel starting testing at 0F. Which is another reason why I say most guys never bring their barrels down to outside ambient temps when collecting MVs. After 2 shots, any magnum cartridge barrel is now heated 30-40F. It takes a lot of patience and time to let a fired barrel drop back down to cold outdoor ambients temps. So long that when I tested powder temperature sensitivity, I'd try to take at least 3 rifles. So one rifle could chill back down again while rotating thru the rifles. Even then there was a lot of thumb twittling involved. Hurry up and wait... [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
REVERSE TEMP SENSITIVITY????
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