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Rifles, Reloading, Optics, Equipment
Reloading
Temperature and humidity factor - how do they affect my loads?
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<blockquote data-quote="Mikecr" data-source="post: 115692" data-attributes="member: 1521"><p>Air density rises with lower temps. </p><p>Your velocities drop with cooler powder.</p><p>Your barrel and bedding might change.</p><p></p><p>Ballistics programs account for air density. You could probably figure velocity change @ 1.8fps x degrees under 70.</p><p>Range time at temps helps with equipment prediction.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 115692, member: 1521"] Air density rises with lower temps. Your velocities drop with cooler powder. Your barrel and bedding might change. Ballistics programs account for air density. You could probably figure velocity change @ 1.8fps x degrees under 70. Range time at temps helps with equipment prediction. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Temperature and humidity factor - how do they affect my loads?
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