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A gin pole in use loading logs A gin pole used to install a weather vane atop the 200-foot steeple of a church Roof trusses being assembled with gin poles. A gin pole is a mast supported by one or more guy-wires that uses a pulley or block and tackle mounted on its upper end to lift loads. The lower end is braced or set in a shallow hole and ...
A gin pole derrick (also known as standing derrick or pole derrick) is a derrick without a boom and with single tower or mast supported by four guy wires (two side guys, a fore guy and a rear guy). Its guys are so arranged from its top as to permit leaning the mast in any direction.
The principal applications of guyed masts are the masts of sailing vessels, guyed towers, and as the main tower of heavy equipment such as cranes, power shovels, draglines, and derricks, the simplest of which is the gin pole. Guyed masts are frequently used for radio masts and towers.
A sailboat's mast is supported by shrouds (side-to-side) and stays (fore-and-aft) – nautical equivalents of guy wires.. A guy-wire, guy-line, guy-rope, down guy, or stay, also called simply a guy, is a tensioned cable designed to add stability to a freestanding structure.
The Senior Road Tower is a guyed mast for FM and TV broadcasting, measuring 1,971 feet (601 m) tall, located in unincorporated northeastern Fort Bend County near Missouri City, Texas, United States. The present mast was built in 1983. It replaced a previous tower that collapsed in a construction accident in December 1982, killing five workers.
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Three died when tower collapsed after a gin pole ran off its track and snapped a guy wire Grigoriopol transmitter, Moldova 1997: Guyed steel lattice mast 350 Ice Two masts collapsed 250 KXJB-TV mast, North Dakota, US April 6, 1997: Guyed steel lattice mast 628 Ice KNOE-TV Tower, Columbia, Louisiana: March 20, 1997: Guyed steel lattice mast 606 ...
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