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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Mechanics vs non
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<blockquote data-quote="ntsqd" data-source="post: 3073520" data-attributes="member: 93138"><p>When I remember to do so, Big IF there, I like to run the rings screws down tight without a scope in the rings first. This burnishes the threads and smooths them out a bit. Then those screws are married the particular hole that they were tightened in. As much as we'd like to think that a given size and pitch thread is the exact same as the hole next to it, of the same size and pitch, is, that isn't true.</p><p></p><p>I'm sure that different thread lockers have measurably different impacts on the lubricity in the threads, but the torque tables that even list them treat them as all the same. Just because you can measure a difference doesn't mean that the difference matters to the system.</p><p></p><p>If we really cared about the clamping force in the rings we would be using the screw stretch or torque-angle methods to install the fasteners. Even those are just better approximations of equalizing the tension in the fasteners.</p><p></p><p>At some point we need to just stop and go shooting....</p><p><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="ntsqd, post: 3073520, member: 93138"] When I remember to do so, Big IF there, I like to run the rings screws down tight without a scope in the rings first. This burnishes the threads and smooths them out a bit. Then those screws are married the particular hole that they were tightened in. As much as we'd like to think that a given size and pitch thread is the exact same as the hole next to it, of the same size and pitch, is, that isn't true. I'm sure that different thread lockers have measurably different impacts on the lubricity in the threads, but the torque tables that even list them treat them as all the same. Just because you can measure a difference doesn't mean that the difference matters to the system. If we really cared about the clamping force in the rings we would be using the screw stretch or torque-angle methods to install the fasteners. Even those are just better approximations of equalizing the tension in the fasteners. At some point we need to just stop and go shooting.... :) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Mechanics vs non
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