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Rifles, Reloading, Optics, Equipment
Reloading
powder temperature sensitivity
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<blockquote data-quote="jeffbird" data-source="post: 209973" data-attributes="member: 4916"><p><strong>Temp Adjustment RL22</strong></p><p></p><p>In 7WSM with 175/6's and working on 1000 yard loads, I tested a substantial number of loads with RL22 over a range of temperatures. It definitely is effected by temperature, but it is very predictable. I work up all of my loads in the heat of summer, so if they are safe then, they are good to go year round. My loads were developed at 95 F. To calculate the velocity drop in my loads, I would take the temp 95 minus actual temperature, say 45F for an example. That is a 50 degree drop MULTIPLY BY 0.8 = 40 fps drop. It is very predictable and consistent. I have since changed over to MagPro for the 7WSM and am working out a similar formula, but it does seem less sensitive.</p><p></p><p>Hope that helps.</p></blockquote><p></p>
[QUOTE="jeffbird, post: 209973, member: 4916"] [b]Temp Adjustment RL22[/b] In 7WSM with 175/6's and working on 1000 yard loads, I tested a substantial number of loads with RL22 over a range of temperatures. It definitely is effected by temperature, but it is very predictable. I work up all of my loads in the heat of summer, so if they are safe then, they are good to go year round. My loads were developed at 95 F. To calculate the velocity drop in my loads, I would take the temp 95 minus actual temperature, say 45F for an example. That is a 50 degree drop MULTIPLY BY 0.8 = 40 fps drop. It is very predictable and consistent. I have since changed over to MagPro for the 7WSM and am working out a similar formula, but it does seem less sensitive. Hope that helps. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
powder temperature sensitivity
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