sheave wheel platform
1Fly system — Fly loft of the Theater Bielefeld in Germany A fly system, flying system or theatrical rigging system, is a system of lines (e.g. ropes), blocks (pulleys), counterweights and related devices within a theatre that enable a stage crew to quickly,… …
2Funicular — For the mathematical and architectural curve known as funicular, see catenary. Funicular in Valparaíso, Chile A funicular, also known as an inclined plane or cliff railway, is a cable railway in which a cable attached to a pair of tram like… …
3Sail-plan — A sail plan is a set of drawings, usually prepared by a naval architect. It shows the various combinations of sail proposed for a sailing ship.The combinations shown in a sail plan almost always include three configurations:A light air sail plan …
