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An elevator (American English) or lift (Commonwealth English) is a machine that vertically transports people or freight between levels. They are typically powered by electric motors that drive traction cables and counterweight systems such as a hoist, although some pump hydraulic fluid to raise a cylindrical piston like a jack.
Frank Julian Sprague (July 25, 1857 – October 25, 1934) was an American inventor who contributed to the development of the electric motor, electric railways, and electric elevators.
The Falkirk Wheel A timelapse of the wheel rotation. This video covers a time period of 10 minutes A timelapse from inside a boat. The Falkirk Wheel (Scottish Gaelic: Cuibhle na h-Eaglaise Brice) is a rotating boat lift in Tamfourhill, Falkirk, in central Scotland, connecting the Forth and Clyde Canal with the Union Canal.
Traction motors are used in electrically powered railway vehicles (electric multiple units) and other electric vehicles including electric milk floats, trolleybuses, elevators, roller coasters, and conveyor systems, as well as vehicles with electrical transmission systems (diesel–electric locomotives, electric hybrid vehicles), and battery ...
Four 200 horsepower (150 kW) electric motors provide traction by cable. It can transport up to a combined total of 100 short tons (91 t ; 89 long tons ) in weight. [ 1 ] In this enlarged version the increased weight is borne on a dual track which keeps the carriage level (the front and back wheels are on different tracks, with the front of the ...
The platform of the lift moves along the rack railway, with the track gauge of 9 m. The movement is carried out by means of electric drive. In order to load the ship lift, the platform is lowered below the water level, at which point the ship then enters the lift, and the platform begins to move up the overpass. The ships are transported afloat.
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