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Rifles, Reloading, Optics, Equipment
Reloading
Sinclair or Neco concentricity Guage
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<blockquote data-quote="Trickymissfit" data-source="post: 1024700" data-attributes="member: 25383"><p>I've probably had six or seven gauges in my lifetime, and built another six or seven. I once built one that used the wheels for the case to ride on and just couldn't get all the slop out of it. I used ABEC 9 Barden bearings that are angular contact, and you don't get any better than these. Just never made me happy. Always ended up with a couple tenths runout. Later I made one that used very little contact with the case, and this is still the most accurate one I've seen for O.D. measurements. I did build a second one that would also do I.D.'s, and you could use three indicators at the sametime. I did find an issue with the design, and also found it in everybody's design. Have a new design, but have never built it for a couple good reasons.</p><p> </p><p>I don't check loaded cases as closely as I check sized cases verses fired cases. My goal is always zero runout, and maybe someday I'll get there.</p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 1024700, member: 25383"] I've probably had six or seven gauges in my lifetime, and built another six or seven. I once built one that used the wheels for the case to ride on and just couldn't get all the slop out of it. I used ABEC 9 Barden bearings that are angular contact, and you don't get any better than these. Just never made me happy. Always ended up with a couple tenths runout. Later I made one that used very little contact with the case, and this is still the most accurate one I've seen for O.D. measurements. I did build a second one that would also do I.D.'s, and you could use three indicators at the sametime. I did find an issue with the design, and also found it in everybody's design. Have a new design, but have never built it for a couple good reasons. I don't check loaded cases as closely as I check sized cases verses fired cases. My goal is always zero runout, and maybe someday I'll get there. gary [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Sinclair or Neco concentricity Guage
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