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#1
12-13-2005, 05:05 PM
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Frankly, it's been my experience that temperature sensitivity of powder has been much overblown lately.
Living in Upstate NY, I see temps in the single digits (even below zero F, occasionally) up to the 80's and 90's. I would agree with Rapier that it's wise to develop loads at more moderate temperatures- who wants to work up loads in the cold, anyway? Rocky, I am, shall we say, extremely sceptical of that temp/velocity change formula. My chronograph shows much less difference- and I have chronographed loads worked up in the summer at winter temps. I rarely see more than 100 fps variation, if that. And I pay no attention whatsoever to whether a powder is 'temperature sensitive'. One man's opinion- your mileage may vary. 
__________________
“May we never confuse honest dissent with disloyal subversion.” Dwight D. Eisenhower "If the freedom of speech is taken away, then dumb and silent we may be led, like sheep to the slaughter" George Washington Jack@huntchat.com 
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