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Rifles, Reloading, Optics, Equipment
Reloading
Ramshot Magnum vs. barrel life
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<blockquote data-quote="Fiftydriver" data-source="post: 92921" data-attributes="member: 10"><p>Vasa,</p><p></p><p>Please keep in mind one very important aspect to throat life, that being the abrasive action of the powder as it is forced through the throat under high pressure and temperature.</p><p></p><p>The frictional coefficent of Ball powder is DRAMATICALLY less then any extruded powder. This is in my opinion, just as significant to increased throat life as lower flame temps. Combining the two and I think this is where you get the 15% longer throat life.</p><p></p><p>It is really a two sides system to increasing throat life.</p><p></p><p>I also feel the topic of the stick powders being consistanty more accuracy or consistant compared to ball powders has alot to do with the fact that most ball powders are a bit sensitive to temperature changes and as such can cause more of a velocity variation problem compared to stick powders.</p><p></p><p>That said, the new ball powders such as Ramshot Magnum are said to be nearly as stable under varying temps as the Hodgdon extreme powders so if that is the case it may dramatically cut this consistancy factor.</p><p></p><p>The new US 869 is also reported to be much less temp sensitive then the older style ball powders. </p><p></p><p>We will see!!</p><p></p><p>Kirby Allen(50)</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 92921, member: 10"] Vasa, Please keep in mind one very important aspect to throat life, that being the abrasive action of the powder as it is forced through the throat under high pressure and temperature. The frictional coefficent of Ball powder is DRAMATICALLY less then any extruded powder. This is in my opinion, just as significant to increased throat life as lower flame temps. Combining the two and I think this is where you get the 15% longer throat life. It is really a two sides system to increasing throat life. I also feel the topic of the stick powders being consistanty more accuracy or consistant compared to ball powders has alot to do with the fact that most ball powders are a bit sensitive to temperature changes and as such can cause more of a velocity variation problem compared to stick powders. That said, the new ball powders such as Ramshot Magnum are said to be nearly as stable under varying temps as the Hodgdon extreme powders so if that is the case it may dramatically cut this consistancy factor. The new US 869 is also reported to be much less temp sensitive then the older style ball powders. We will see!! Kirby Allen(50) [/QUOTE]
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Reloading
Ramshot Magnum vs. barrel life
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