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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 derrick is a lifting device composed at minimum of one guyed mast, as in a gin pole, which may be articulated over a load by adjusting its guys. Most derricks have at least two components, either a guyed mast or self-supporting tower, and a boom hinged at its base to provide articulation, as in a stiffleg derrick. The most basic type of ...
Shear legs are a lifting device related to the gin pole, derrick and tripod (lifting device). Shears are an A-frame of any kind of material such as timbers or metal, the feet resting on or in the ground or on a solid surface which will not let them move and the top held in place with guy-wires or guy ropes simply called "guys".
Derrick (#14) is the support structure for the equipment used to lower and raise the drill string into and out of the wellbore. This consists of the sub-structure (structure below the drill floor level) and the mast. Desander / desilter (not pictured) contains a set of hydrocyclones that separate sand and silt from the drilling fluid. Typically ...
West End Gin looks to bring a new citrus forward, Louisville-made gin to market, with goals of helping the community it's named for in the process. A new Black-owned spirit company has launched in ...
From January 2012 to December 2012, if you bought shares in companies when Wayne J. Riley, M.D. joined the board, and sold them when he left, you would have a 39.4 percent return on your investment, compared to a 11.7 percent return from the S&P 500.
Guyed steel lattice mast 100 Aircraft collision Hit by a B-29. [4] Ochsenkopf, West Germany January 1958: Guyed steel tube mast 50 Ice Replaced by concrete tower KAYS-TV Tower, Hays, Kansas: May 29, 1959: Guyed steel tube mast 224 Storm with 105 kt winds [5] Top 150 m of the tower toppled. Replaced within three months by a mast 251 m tall.
A Baltimore Police Department marine departs the Metropolitan Police Department Harbor Patrol facility on its way to the site of the crash between an American Airlines passenger jet and an Army ...