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Rifles, Reloading, Optics, Equipment
Reloading
Accuracy lost on warmer weather
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<blockquote data-quote="Weatherbyshooter/Hunter" data-source="post: 2849089" data-attributes="member: 118678"><p>My experience has been the same living in Arizona. "Winning in the Wind" author an F-class competitor had a segment regarding powder temperature while developing loads. What his solution was put his reloads in a cooler with the desired temperature during his load development. That worked for me during our convection oven temperatures in Phoenix. </p><p></p><p>When I develop loads, I take my best load group, velocity, ambient temperature, and energy, input the data in a spreadsheet. with the powder temperature change i.e. 1.5 FPS per degree in temperature rise and forecast what changes in velocity as it gets warmer. </p><p></p><p>Quick load will help as well, you can input the desired temperature and see the changes in velocity and chamber pressures if you have access to the software. </p><p></p><p>I'm not an expert here and certainly there are more knowledgeable shooters however I hope this helps.</p></blockquote><p></p>
[QUOTE="Weatherbyshooter/Hunter, post: 2849089, member: 118678"] My experience has been the same living in Arizona. "Winning in the Wind" author an F-class competitor had a segment regarding powder temperature while developing loads. What his solution was put his reloads in a cooler with the desired temperature during his load development. That worked for me during our convection oven temperatures in Phoenix. When I develop loads, I take my best load group, velocity, ambient temperature, and energy, input the data in a spreadsheet. with the powder temperature change i.e. 1.5 FPS per degree in temperature rise and forecast what changes in velocity as it gets warmer. Quick load will help as well, you can input the desired temperature and see the changes in velocity and chamber pressures if you have access to the software. I'm not an expert here and certainly there are more knowledgeable shooters however I hope this helps. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Accuracy lost on warmer weather
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