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  1. Brixtonbanner

    Rigging - Arena

    I am an arena rigger I suspend electric chain hoists from arena roof beams for shows, events, gigs etc. I saw this thread about D:d ratios -------- PascalFleischman (Structural) 16 Jan 08 15:46 After exhaustive searching, I've found it. FYI: When D/d < 6: %E = 1 - (1/(2*(SQRT (D/d)))) When...

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