Phenolic Resin Pulleys: Out of the Skies andinto the Future |
Corky Boyd |
Designed for use in aircraft, high-pressure-laminated phenolic resin pulleys are also useful to the theatre technician desiring durable, cost-effective, and dependable aircraft cable pulleys. Pulleys of the size commonly required for stage rigging can be purchased for $6.00 to $15.00 and can be reused and adapted to fill a variety of rigging needs.
The pulleys are formed when various fibers are impregnated with high-strength resins and subjected to high pressures while curing. Resulting phenolic laminates are machined into pulleys and fitted with bearings. Available in an assortment of diameters and cable sizes, the pulleys cause virtually no cable wear and suffer only ...
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