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Rifles, Reloading, Optics, Equipment
Reloading
Best concentricity gauge?
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<blockquote data-quote="Trickymissfit" data-source="post: 1463842" data-attributes="member: 25383"><p>The long travel indicators come with 10% back lash built into them, plus there lateral movement in the stem. A bad setup all the way around. They do sell jeweled long ravel indicators (usually .250" of travel) that have about 1/5th the backlash. Yet are pretty expensive when compared to those Chinese indicators. Also the use of ball bearings is nice, but if they move, they add backlash (error). A typical wand type indicator (not the high end ones) will have about two percent or less backlash. The high end ones are zero backlash (Interrapid and B&S Best Test).</p><p></p><p>The idea is to have the least amount of movement in the setup. That way they error is in the case and not a combination of both. By the way you can build one better than 99% out there for less than $60 and the indicator.</p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 1463842, member: 25383"] The long travel indicators come with 10% back lash built into them, plus there lateral movement in the stem. A bad setup all the way around. They do sell jeweled long ravel indicators (usually .250" of travel) that have about 1/5th the backlash. Yet are pretty expensive when compared to those Chinese indicators. Also the use of ball bearings is nice, but if they move, they add backlash (error). A typical wand type indicator (not the high end ones) will have about two percent or less backlash. The high end ones are zero backlash (Interrapid and B&S Best Test). The idea is to have the least amount of movement in the setup. That way they error is in the case and not a combination of both. By the way you can build one better than 99% out there for less than $60 and the indicator. gary [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Best concentricity gauge?
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