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Rifles, Reloading, Optics, Equipment
Reloading
Using chronograph data to determine the best load????
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<blockquote data-quote="Derek M." data-source="post: 93008" data-attributes="member: 2693"><p>[ QUOTE ]</p><p>Then there's the issue that no two people will get the same muzzle velocity with the same rifle and ammo. There can be 80 to 100 fps difference caused by how they hold the rifle. </p><p></p><p>[/ QUOTE ]</p><p></p><p>I must admit when I read this the first thought was this statement defies the physics of ballistics. I've never seen this at all and I've been shooting through a chronograph for 15+ years. I've had over a dozen guys shoot my rifle at a range in addition to my 12 year old nephew and I've never witnessed any such incidence. Maybe it happened to you randomly, perhaps there's a logical explanation. Maybe someone shot a round where the powder thrower didn't release the exact powder charge that it should have, then the next round dumped too much, or more than was supposed to be, but the way a rifle is supported has nothing to do with the lock time, ignition, powder burn rate, and internal ballistics until the bullet leaves the muzzle.</p><p></p><p>Maybe the chrono didn't read accurately that day. Who knows, but I respectfully disagree with the message.</p></blockquote><p></p>
[QUOTE="Derek M., post: 93008, member: 2693"] [ QUOTE ] Then there's the issue that no two people will get the same muzzle velocity with the same rifle and ammo. There can be 80 to 100 fps difference caused by how they hold the rifle. [/ QUOTE ] I must admit when I read this the first thought was this statement defies the physics of ballistics. I've never seen this at all and I've been shooting through a chronograph for 15+ years. I've had over a dozen guys shoot my rifle at a range in addition to my 12 year old nephew and I've never witnessed any such incidence. Maybe it happened to you randomly, perhaps there's a logical explanation. Maybe someone shot a round where the powder thrower didn't release the exact powder charge that it should have, then the next round dumped too much, or more than was supposed to be, but the way a rifle is supported has nothing to do with the lock time, ignition, powder burn rate, and internal ballistics until the bullet leaves the muzzle. Maybe the chrono didn't read accurately that day. Who knows, but I respectfully disagree with the message. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Using chronograph data to determine the best load????
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