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Long Range Hunting & Shooting
altitude effecting pressure
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<blockquote data-quote="Doom2" data-source="post: 2595549" data-attributes="member: 108323"><p>Sorry but your logic is incorrect. </p><p></p><p>Their is a very small amount of air in the chamber but it is insignificant and does not contribute materially to the combustion of the powder. the air forward of the grooves is sealedl away from the powder once the bullet engages the lands and is pushed out with the bullet.</p><p></p><p>As mentioned earlier, a cartridge will fire in water or in a perfect vacuum. The oxygen required for combustion is available in the nitrocellulose and/or nitroglycerin. C18H21N11O38</p></blockquote><p></p>
[QUOTE="Doom2, post: 2595549, member: 108323"] Sorry but your logic is incorrect. Their is a very small amount of air in the chamber but it is insignificant and does not contribute materially to the combustion of the powder. the air forward of the grooves is sealedl away from the powder once the bullet engages the lands and is pushed out with the bullet. As mentioned earlier, a cartridge will fire in water or in a perfect vacuum. The oxygen required for combustion is available in the nitrocellulose and/or nitroglycerin. C18H21N11O38 [/QUOTE]
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