Joanne Chang |
A Quick-Load Floor Pulley Design |
The traditional adjustable floor pulley has two drawbacks when installed in a traveler system that flies. If it is flown out with the traveler, it poses a safety hazard. If it is detached from the system and left fastened to the deck, re-rigging the traveler’s run line and reattaching the pulley takes time. Developed for the 1999 tour of Yale Repertory Theatre’s Geography II: Tree, the alternate design described here solves those problems. In addition to a base plate and two trapezoidal gussets, each pulley comprises two similar but not completely identical sheave plates. Each sheave plate consists of two pieces of bar stock: one, a rectangle: the other an L-shaped piece which “surrounds” the ...
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