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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
26 Nosler - Crazy Barrel Temp
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<blockquote data-quote="Varminator 911" data-source="post: 980092" data-attributes="member: 9705"><p>I think that effect is mainly how thick the steel is not where the powder burns. The thicker the steel the slower it warms up.</p><p></p><p>The other factor at play is temperature is proportional to pressure. If you take room temperature air and compress it to 60,000 psi. it will get extremely hot even with no heat added from burning powder. So even if no powder burned inside the cartridge case it would still be very hot there because of the pressure. Inside the case is also held at high temperature longer than further down the barrel because high pressure lasts longer inside the case than anywhere else. Near the muzzle pressure is lower and pressure pulse shorter.</p><p></p><p>Even in a 26 Nosler powder is burning inside the case. Not all by any means but some.</p></blockquote><p></p>
[QUOTE="Varminator 911, post: 980092, member: 9705"] I think that effect is mainly how thick the steel is not where the powder burns. The thicker the steel the slower it warms up. The other factor at play is temperature is proportional to pressure. If you take room temperature air and compress it to 60,000 psi. it will get extremely hot even with no heat added from burning powder. So even if no powder burned inside the cartridge case it would still be very hot there because of the pressure. Inside the case is also held at high temperature longer than further down the barrel because high pressure lasts longer inside the case than anywhere else. Near the muzzle pressure is lower and pressure pulse shorter. Even in a 26 Nosler powder is burning inside the case. Not all by any means but some. [/QUOTE]
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26 Nosler - Crazy Barrel Temp
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