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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Proof vs Christensen Carbon
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<blockquote data-quote="Pdvdh" data-source="post: 1395687" data-attributes="member: 4191"><p>If it were an all steel barrel, the barrel would be hotter in the middle than both ends also. So not really very telling. My steel barrels are normally hottest from the throat forward over the next 8 inches. That's where the temperature and pressure are both highest inside the bore. Same location were heat checking/firecracking show in the bore with a bore scope.</p><p>So feeling the muzzle steel and the barrel at the action nut is the same as feeling the coolest portion of any barrel. You'll need a steel barrel of same dimensions, caliber, and cartridge, exposed to equal rates of fire, firing the same loads at the same rates. Then touch the barrels at the same locations...</p><p>Or the CF barrel manufacturer could just provide the tested thermal conductivity value for their carbon fiber material. And then we could all know, provided a legitimate lab tested and determined the insulation value of the CF material. But the labs can serve as hired guns - same as attorneys.</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 1395687, member: 4191"] If it were an all steel barrel, the barrel would be hotter in the middle than both ends also. So not really very telling. My steel barrels are normally hottest from the throat forward over the next 8 inches. That's where the temperature and pressure are both highest inside the bore. Same location were heat checking/firecracking show in the bore with a bore scope. So feeling the muzzle steel and the barrel at the action nut is the same as feeling the coolest portion of any barrel. You'll need a steel barrel of same dimensions, caliber, and cartridge, exposed to equal rates of fire, firing the same loads at the same rates. Then touch the barrels at the same locations... Or the CF barrel manufacturer could just provide the tested thermal conductivity value for their carbon fiber material. And then we could all know, provided a legitimate lab tested and determined the insulation value of the CF material. But the labs can serve as hired guns - same as attorneys. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Proof vs Christensen Carbon
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