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The pole (also known as a mast, boom, or spar) is secured with three or more guys. These are manipulated to move the load laterally, [1] with up and down controlled by the pulley or block. In tower construction, a gin pole can also be “jumped” up the completed sections of a tower to lift the higher sections into place.
The principle 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.
1078 feet HAAT. Erected in 1981. No definitive cause ever found for collapse. Speculation was that the collapse was directly or indirectly related to the recent installation of their digital television antenna. The collapse destroyed the tower, KLTV's analog and digital antennas, KLTV's digital transmitter, and FM station KVNE's antenna. The ...
The construction company had to jury-rig a lifting device of their own design, as the antenna lifting points were not designed for the final lift. The cable from the gin pole would intersect the dish of the antenna and damage it. The design analysis of the construction company was flawed, leading them to underestimate the load on the bolts by a ...
Cylindrical strain insulator of type used on utility pole and antenna mast guys. AM radio broadcast towers are often fitted with insulators at the mast base and the RF energy is fed at that point. Some are also insulated at the center for feeding the RF energy at that point.
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.
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Media General Tower Jackson Jackson, Mississippi: Guyed Mast 491 m WHNS TV-Tower: Brevard, North Carolina: Guyed Mast 490.7 m KOBR-TV Tower: Caprock, New Mexico: Guyed Mast 490.2 m Joint Venture TV Tower Bithlo Bithlo, Florida: Guyed Mast 489.2 m American Towers Tower Bithlo Bithlo, Florida Guyed Mast 488 m NYT Broadcast Holdings Tower Oklahoma