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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Powder Bridging for Kiwi Nate & Tang et al
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<blockquote data-quote="Kiwi Nate" data-source="post: 363673" data-attributes="member: 8533"><p>Thats a tough one because it probably involved both directional ignition yet max pressures had the load burned uniformly. In other words, with that powder burn rate, you wouldn't be able to step up a few grains.</p><p> </p><p>The 87 grain charge is right on that low point I was talking about, even if you had been using Retumbo. </p><p> </p><p>I should mention, in my 9.3-300RUM and .375RUM, I can download all bullet weights to 2400fps with H1000 (Optimum burn rate for these medium bores is H4350). It would seem that wider the bore in the RUM's, the lower the danger of directional ignition at charge weights below 90 grains.</p></blockquote><p></p>
[QUOTE="Kiwi Nate, post: 363673, member: 8533"] Thats a tough one because it probably involved both directional ignition yet max pressures had the load burned uniformly. In other words, with that powder burn rate, you wouldn't be able to step up a few grains. The 87 grain charge is right on that low point I was talking about, even if you had been using Retumbo. I should mention, in my 9.3-300RUM and .375RUM, I can download all bullet weights to 2400fps with H1000 (Optimum burn rate for these medium bores is H4350). It would seem that wider the bore in the RUM's, the lower the danger of directional ignition at charge weights below 90 grains. [/QUOTE]
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Powder Bridging for Kiwi Nate & Tang et al
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