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Hunting
Long Range Hunting & Shooting
Nightforce front base keeps coming loose
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<blockquote data-quote="ntsqd" data-source="post: 1885665" data-attributes="member: 93138"><p>groan, gonna make me do that math stuff? Not sure where you're going with this, but......</p><p>Shear strength is purely cross-sectional area times ~57% of YTS if a metal. Its more complicated than that, but that's a decent RoT for guesstimations and since my stuff never flies and rarely has to float a guesstimation has been good enough 90+% of the time. </p><p>More area in shear = greater resistance to shear.</p><p>Tube has a cross-sectional area of OD(area) - ID(area) or .05515 in^2 - .02138 in^2 = .03377 in^2</p><p>Rod has a cross-sectional area of OD(area) or .01227 in^2</p><p>Tube has the greater area in shear, so assuming the same YTS as the rod it wins. Now if the tube is 12L14 and the rod is 17-4 H900, that's different......</p></blockquote><p></p>
[QUOTE="ntsqd, post: 1885665, member: 93138"] groan, gonna make me do that math stuff? Not sure where you're going with this, but...... Shear strength is purely cross-sectional area times ~57% of YTS if a metal. Its more complicated than that, but that's a decent RoT for guesstimations and since my stuff never flies and rarely has to float a guesstimation has been good enough 90+% of the time. More area in shear = greater resistance to shear. Tube has a cross-sectional area of OD(area) - ID(area) or .05515 in^2 - .02138 in^2 = .03377 in^2 Rod has a cross-sectional area of OD(area) or .01227 in^2 Tube has the greater area in shear, so assuming the same YTS as the rod it wins. Now if the tube is 12L14 and the rod is 17-4 H900, that's different...... [/QUOTE]
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Nightforce front base keeps coming loose
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