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Rifles, Reloading, Optics, Equipment
Reloading
Interesting results from my new Sinclair concentricity gauge...
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<blockquote data-quote="Canadian Bushman" data-source="post: 1102611" data-attributes="member: 41122"><p>Isnt the goal of using the concentricity gauge is to measure the straightness of the bullet in relation to the case along its longitudial axis. </p><p></p><p>If measuring further away from the place where the bullet and case meet, wouldnt this project the tolerance and give the reloader a greater resolution of the actual straighness of the cartridge? </p><p></p><p>I.E. If you indicate the b.s. and move along the bullet headed toward the meplat, whats the odds your runout will increase? </p><p></p><p>If you measure the tip of the bullet and move toward the neck, whats the chance the runout will increase? </p><p></p><p>If you are truely only inducing concentricity errors then the number should be the same along the entire bullet. However if you have a straightness error will it not be more evident at the meplat?</p></blockquote><p></p>
[QUOTE="Canadian Bushman, post: 1102611, member: 41122"] Isnt the goal of using the concentricity gauge is to measure the straightness of the bullet in relation to the case along its longitudial axis. If measuring further away from the place where the bullet and case meet, wouldnt this project the tolerance and give the reloader a greater resolution of the actual straighness of the cartridge? I.E. If you indicate the b.s. and move along the bullet headed toward the meplat, whats the odds your runout will increase? If you measure the tip of the bullet and move toward the neck, whats the chance the runout will increase? If you are truely only inducing concentricity errors then the number should be the same along the entire bullet. However if you have a straightness error will it not be more evident at the meplat? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Interesting results from my new Sinclair concentricity gauge...
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