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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Measuring Powder Temperature
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<blockquote data-quote="J E Custom" data-source="post: 888948" data-attributes="member: 2736"><p>WOW !!!</p><p></p><p>That's a tall order and smarter people than me will have to chime in on this one.</p><p></p><p>I use 70o as ambient and test different loads to see the change if heated to 100o or cooled to 30o</p><p>(The normal range of temperatures I hunt in) </p><p></p><p>Each powder has a difference tolerance for temperatures so when I can get the accuracy and velocity that I want I use the extreme powders from Hodgdon because they are very stable in this range.</p><p></p><p>I am forced to use other powders at times because they produce better results and have to adjust to these temperature changes and the effects on POI.</p><p></p><p>I doubt that there is any common number that you could use to calculate the effects of temperature on different powders, But maybe some of the guys can help you.</p><p></p><p>Interesting question, Hopefully I can learn something from this.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 888948, member: 2736"] WOW !!! That's a tall order and smarter people than me will have to chime in on this one. I use 70o as ambient and test different loads to see the change if heated to 100o or cooled to 30o (The normal range of temperatures I hunt in) Each powder has a difference tolerance for temperatures so when I can get the accuracy and velocity that I want I use the extreme powders from Hodgdon because they are very stable in this range. I am forced to use other powders at times because they produce better results and have to adjust to these temperature changes and the effects on POI. I doubt that there is any common number that you could use to calculate the effects of temperature on different powders, But maybe some of the guys can help you. Interesting question, Hopefully I can learn something from this. J E CUSTOM [/QUOTE]
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Measuring Powder Temperature
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