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Low Earth Orbit
Pro AV, Staging, & Rigging
Line Array on Global Truss.
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<blockquote data-quote="Phil Graham" data-source="post: 40320" data-attributes="member: 430"><p>Re: Line Array on Global Truss.</p><p></p><p></p><p></p><p>John,</p><p></p><p>The primary reason that you see things done exclusively with rope-like systems is that they don't transfer moment couples to the remaining structure. Depending on the centroid of the array, and the certification of the WLL for the bolt (which is likely for a pure dead hang), your suggested arrangement does not account for the additional load vector(s) of the moment couple that is now transferred to the structure by the rigid connection.</p><p></p><p><a href="http://en.wikipedia.org/wiki/Couple_(mechanics)" target="_blank">http://en.wikipedia.org/wiki/Couple_(mechanics)</a></p></blockquote><p></p>
[QUOTE="Phil Graham, post: 40320, member: 430"] Re: Line Array on Global Truss. John, The primary reason that you see things done exclusively with rope-like systems is that they don't transfer moment couples to the remaining structure. Depending on the centroid of the array, and the certification of the WLL for the bolt (which is likely for a pure dead hang), your suggested arrangement does not account for the additional load vector(s) of the moment couple that is now transferred to the structure by the rigid connection. [URL]http://en.wikipedia.org/wiki/Couple_(mechanics)[/URL] [/QUOTE]
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