Join Eng-Tips Forums! Join Us! By joining you are opting in to receive e-mail. Promoting, selling, recruiting, coursework and thesis posting is forbidden. Students Click Here. Related Projects. I'm trying to caculate the stress on a trolley cable zip line 30deg also the anchor points.
I believe that is a basic statics problem. You still got your old text book? Assume a certain amount of strain in the cable, calculate the geometry based on the strained length, find corresponding force in the cable from statics, then repeat until that force matches the assumed strain. You'd also need to consider initial tension, and how accurately it can be fixed when the cable is installed. I'm with Ron.
Explain your problem please. A sketch wouldn't hurt. The one time I've been on a set, the drop was barely a a few feet over 60 ft. After about 6 runs, we were only maybe 10 ft lower than the first platform. In any case, I don't think you haven't given enough information to solve the problem. The sag and weight of the cable are integral to the solution. At the start date of this project, there were no guidelines or standards in place for ziplines.
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