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Hunting
The Basics, Starting Out
Mirage and temperature.
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<blockquote data-quote="royinidaho" data-source="post: 88696" data-attributes="member: 2011"><p>Ankeny,</p><p></p><p>RE: Temp and powder burning rate. Some powders are more temp sensitive than others. RL-22 seems to be plenty temp sensitive. I loose about 130 FPS from summer to winter on one rifle and a bit less in another.</p><p></p><p>Its a pain to have winter and summer loads. Can't seem to keep them sorted out. Winter loads are way over pressure on 85 degree days.</p><p></p><p>RE: Mirage. Just finished developing a drop chart this morning. Nice warm 40s, slight wind. Much mirage. I got so confused I was holding exactly opposite as to what I should have several times. /ubbthreads/images/graemlins/frown.gif</p><p></p><p>Here's how ya do it: shoot-shoot-shoot-swear-shoot-swear-shoot-shoot shoot-swear.</p><p>Do that for several years and pretty soon you kinda catch on. /ubbthreads/images/graemlins/smile.gif</p><p></p><p>Then you're all confident and you head for the range/dog town/chuck spot etc. Then it goes something lik this: shoot-shoot-shoot-swear-shoot-swear-shoot-shoot shoot-swear.</p><p></p><p>Who's signature line says something like "cause anyother sport wouldn't be so frustrating" or something like that. /ubbthreads/images/graemlins/grin.gif</p><p></p><p>At 540yds today either the target or the bench was shifting 4" left and right. And the bench is solid as a rock /ubbthreads/images/graemlins/mad.gif</p></blockquote><p></p>
[QUOTE="royinidaho, post: 88696, member: 2011"] Ankeny, RE: Temp and powder burning rate. Some powders are more temp sensitive than others. RL-22 seems to be plenty temp sensitive. I loose about 130 FPS from summer to winter on one rifle and a bit less in another. Its a pain to have winter and summer loads. Can't seem to keep them sorted out. Winter loads are way over pressure on 85 degree days. RE: Mirage. Just finished developing a drop chart this morning. Nice warm 40s, slight wind. Much mirage. I got so confused I was holding exactly opposite as to what I should have several times. [img]/ubbthreads/images/graemlins/frown.gif[/img] Here's how ya do it: shoot-shoot-shoot-swear-shoot-swear-shoot-shoot shoot-swear. Do that for several years and pretty soon you kinda catch on. [img]/ubbthreads/images/graemlins/smile.gif[/img] Then you're all confident and you head for the range/dog town/chuck spot etc. Then it goes something lik this: shoot-shoot-shoot-swear-shoot-swear-shoot-shoot shoot-swear. Who's signature line says something like "cause anyother sport wouldn't be so frustrating" or something like that. [img]/ubbthreads/images/graemlins/grin.gif[/img] At 540yds today either the target or the bench was shifting 4" left and right. And the bench is solid as a rock [img]/ubbthreads/images/graemlins/mad.gif[/img] [/QUOTE]
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The Basics, Starting Out
Mirage and temperature.
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