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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Does A Can or Suppresor Increase Back Pressure and Decrease Velocity??? Well????
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<blockquote data-quote="Veteran" data-source="post: 2439238" data-attributes="member: 118038"><p>Yes, I think this has helped me understand the conflict between my mental model of backpressure which does seem to happen in the rifle system, and the conflict of increased velocity. One would think in a simple world of physics, back pressure would equal decreased velocity, but what is happening is precisely as you say, the increased effective confinement of some length of tube where gas is still behind the bullet exerting force overcomes the back pressure effect so the net effect is increase velocity.</p><p></p><p>So, its another example of counter intuitive results in the real world vs. a simplistic view of physics where a +b should = c.</p><p>But it don't. </p><p></p><p>Higher charge weights should always mean more velocity right? But the Satterlee curve says it don't. Different thread.</p><p>Same counterintuitive kinds of things going on.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="Veteran, post: 2439238, member: 118038"] Yes, I think this has helped me understand the conflict between my mental model of backpressure which does seem to happen in the rifle system, and the conflict of increased velocity. One would think in a simple world of physics, back pressure would equal decreased velocity, but what is happening is precisely as you say, the increased effective confinement of some length of tube where gas is still behind the bullet exerting force overcomes the back pressure effect so the net effect is increase velocity. So, its another example of counter intuitive results in the real world vs. a simplistic view of physics where a +b should = c. But it don't. Higher charge weights should always mean more velocity right? But the Satterlee curve says it don't. Different thread. Same counterintuitive kinds of things going on.:) [/QUOTE]
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Does A Can or Suppresor Increase Back Pressure and Decrease Velocity??? Well????
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