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Rifles, Reloading, Optics, Equipment
Reloading
Temperature Sensitivity of Alliant Reloder 26
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<blockquote data-quote="J E Custom" data-source="post: 1446201" data-attributes="member: 2736"><p>Cody's test Is just what I have found with the RL powders at Lower temperatures. (Anything below 60o is considered a cold front here is Texas). What I have seen is that "all" powders are heat sensitive at high temperatures (90 to 100+) some more than others. As the temperature gets higher the velocity spread also goes up.</p><p></p><p>With the best extreme powders (Not very heat sensitive) the velocity spread is normally less than 10 to 15 ft/sec at the highest temperatures and some are as much as 150 ft/sec (I have an accuracy load for my 7/08 using H 414 that is 3010 ft/sec during the winter (30o to 50o) and jumps to 3153 in the summer (average temp 95o) and is to hot to shoot at this time of the year). </p><p></p><p>Most RL powders are in the 30 to 40 ft/sec range in very hot weather but the "New" stable powders like RL 16, RL 23 and RL26 May change that with more testing.</p><p></p><p>Just what I have found using different powders.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1446201, member: 2736"] Cody's test Is just what I have found with the RL powders at Lower temperatures. (Anything below 60o is considered a cold front here is Texas). What I have seen is that "all" powders are heat sensitive at high temperatures (90 to 100+) some more than others. As the temperature gets higher the velocity spread also goes up. With the best extreme powders (Not very heat sensitive) the velocity spread is normally less than 10 to 15 ft/sec at the highest temperatures and some are as much as 150 ft/sec (I have an accuracy load for my 7/08 using H 414 that is 3010 ft/sec during the winter (30o to 50o) and jumps to 3153 in the summer (average temp 95o) and is to hot to shoot at this time of the year). Most RL powders are in the 30 to 40 ft/sec range in very hot weather but the "New" stable powders like RL 16, RL 23 and RL26 May change that with more testing. Just what I have found using different powders. J E CUSTOM [/QUOTE]
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Temperature Sensitivity of Alliant Reloder 26
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