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Rifles, Reloading, Optics, Equipment
Reloading
ball vs stick powders
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<blockquote data-quote="MagnumManiac" data-source="post: 378404" data-attributes="member: 10755"><p>It's true that ball powders and most double base stick powders are temperature sensitive, it has to be quite a large change in temp to throw them into dangerously high pressures.</p><p>No matter the powder type, I have found it's best to work up loads in the warm to hotter months, it gives less chance of an unexpected excursion into dangerously high pressures this way!</p><p></p><p>There is one facet that it is inherent with ball powders and temperature.</p><p>From day to day, the load can be faster or slower depending on the temp in which it is fired in. If you have sighted in for a 3" POI at 100yrds, for instance, in a 70 degree day, at 100 degrees the load may produce another 100fps and be shooting above the intended POI. At 40 degrees it may produce a 100fps loss, and shoot well under the desired POI, you just need to be aware of this.</p><p>Hope this helps.</p><p>gun)</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 378404, member: 10755"] It's true that ball powders and most double base stick powders are temperature sensitive, it has to be quite a large change in temp to throw them into dangerously high pressures. No matter the powder type, I have found it's best to work up loads in the warm to hotter months, it gives less chance of an unexpected excursion into dangerously high pressures this way! There is one facet that it is inherent with ball powders and temperature. From day to day, the load can be faster or slower depending on the temp in which it is fired in. If you have sighted in for a 3" POI at 100yrds, for instance, in a 70 degree day, at 100 degrees the load may produce another 100fps and be shooting above the intended POI. At 40 degrees it may produce a 100fps loss, and shoot well under the desired POI, you just need to be aware of this. Hope this helps. gun) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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ball vs stick powders
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