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Rifles, Reloading, Optics, Equipment
Reloading
Accuracy due to velocity, charge, or random...?
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<blockquote data-quote="DUSTY NOGGIN" data-source="post: 1588772" data-attributes="member: 89550"><p>although vibrations, bouncing back and forth through a barrel will give a "lack of vibration at the muzzle" accuracy node, the heavier contour the more mass or area of metal, the bigger the nodes are ... i think vibrations are being slowed by the area of the barrel material ... im mot sure how big the difference would be but i would bet there is a difference between the speed the vibrations travel though different materials ((stainless vs. steel ))</p><p></p><p>either way velocity has to be timed to leave the muzzle at that "lack of vibration at the muzzle" time</p><p></p><p>so id agree that if your same rifle and load speeds up, as long as you are using the same everything brass primer bullet sizing capacity barrel and powder. you can get back to that accuracy node by adjusting velocity to time it again</p><p></p><p>i dont think 2 different barrel contours of the same length have the same vibration, velocity timing will be unique to each barrel. even if by chance they did end up same speed</p><p></p><p>my reason for this thinking is my small sample of heavy barrels seem to have accuracy nodes over a bigger change in powder charge , than the thinner sporter barrels.. i may need to get a larger sample to know for sure <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /></p></blockquote><p></p>
[QUOTE="DUSTY NOGGIN, post: 1588772, member: 89550"] although vibrations, bouncing back and forth through a barrel will give a "lack of vibration at the muzzle" accuracy node, the heavier contour the more mass or area of metal, the bigger the nodes are ... i think vibrations are being slowed by the area of the barrel material ... im mot sure how big the difference would be but i would bet there is a difference between the speed the vibrations travel though different materials ((stainless vs. steel )) either way velocity has to be timed to leave the muzzle at that "lack of vibration at the muzzle" time so id agree that if your same rifle and load speeds up, as long as you are using the same everything brass primer bullet sizing capacity barrel and powder. you can get back to that accuracy node by adjusting velocity to time it again i dont think 2 different barrel contours of the same length have the same vibration, velocity timing will be unique to each barrel. even if by chance they did end up same speed my reason for this thinking is my small sample of heavy barrels seem to have accuracy nodes over a bigger change in powder charge , than the thinner sporter barrels.. i may need to get a larger sample to know for sure ;) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Accuracy due to velocity, charge, or random...?
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