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Rifles, Reloading, Optics, Equipment
Reloading
Stable Powder
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<blockquote data-quote="goodgrouper" data-source="post: 90000" data-attributes="member: 2852"><p>You are right, some ball powders can actually increase velocity as temperature drops- <em>even more reason to tell a guy to try and develop winter and summer loads right!?</em> </p><p></p><p></p><p></p><p> [ QUOTE ]</p><p> Since smokeless powder deflagrates instead of detonating, the oxidation rate is quite controllable with coatings. Its not marketing hype, just better chemistry. </p><p></p><p>[/ QUOTE ] </p><p></p><p>You are talking about making powders controllable and consistent in regards to relative quickness which is definetly true. I would hope that each can of H???? is as close to the same burn rate as the last bottle or lot number. What we were talking about here is how temperature fluctuations can and do change pressures. I did not invent this fact of internal ballistics. This is a well documented principle of internal ballistics 101. /ubbthreads/images/graemlins/wink.gif</p><p></p><p>If there were a propellant out there that was consistent in pressure from 0 to 120 degrees F, wouldn't it be in the best interest of especially the military to find it? Yet, they load their ammo in similair fashions to us (although they have differing pressure specs than SAAMI).</p></blockquote><p></p>
[QUOTE="goodgrouper, post: 90000, member: 2852"] You are right, some ball powders can actually increase velocity as temperature drops- [i]even more reason to tell a guy to try and develop winter and summer loads right!?[/i] [ QUOTE ] Since smokeless powder deflagrates instead of detonating, the oxidation rate is quite controllable with coatings. Its not marketing hype, just better chemistry. [/ QUOTE ] You are talking about making powders controllable and consistent in regards to relative quickness which is definetly true. I would hope that each can of H???? is as close to the same burn rate as the last bottle or lot number. What we were talking about here is how temperature fluctuations can and do change pressures. I did not invent this fact of internal ballistics. This is a well documented principle of internal ballistics 101. [img]/ubbthreads/images/graemlins/wink.gif[/img] If there were a propellant out there that was consistent in pressure from 0 to 120 degrees F, wouldn't it be in the best interest of especially the military to find it? Yet, they load their ammo in similair fashions to us (although they have differing pressure specs than SAAMI). [/QUOTE]
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