Thank you for those interesting responses
But back to my core question
The formula
%E = 1 - (1/(2*(SQRT (D/d))))
When D/d >= 6:
%E = 1 - [.76 / ((D/d)^.73)]
Is this for a 180 degree bend or would it be equally correct on a 90 degree bend?
Mike
Your idea would make sense in an istallation world but in a touring situation it would not.
Different town every day, different beam sizes, different crew.
Load into venue at 7:00 and have to be done by 11:00
In one venue your 85 one tonne points are mostly dead hangs because there is a...
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
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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...
