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A drawworks is the primary hoisting machinery component of a rotary drilling rig.Its main function is to provide a means of raising and lowering the traveling block.The wire-rope drill line winds on the drawworks drum and over the crown block to the traveling block, allowing the drill string to be moved up and down as the drum turns.
Hunt gained extensive knowledge in many areas of business while Vice President of Global Operations at Rotary Lift. He worked at Rotary lift for a total of 27 years before leaving to focus on his own business. [3] [5] Since the move from Hunt's garage, SuperATV has been headquartered in four locations, each move getting bigger than the last. [6]
Conventional rotary wings as used by modern rotorcraft. Spanwise horizontal-axis. Wing rotor: an airfoil-section horizontal-axis rotor which creates the primary lift. Magnus rotor: a rotor which creates lift via the Magnus effect. Flettner rotor: a smooth cylindrical Magnus rotor with disc end plates.
A rotary-wing aircraft, rotorwing aircraft or rotorcraft is a heavier-than-air aircraft with rotary wings that spin around a vertical mast to generate lift. The assembly of several rotor blades mounted on a single mast is referred to as a rotor .
In 1942, they began to sell elevator products by the Rotary Lift Company, [1] which, in 1955, merged with other companies and changed their name to the Dover Elevator Division. [2] In 1999, they became a reseller of ThyssenDover Elevators, the company that was formed after the merger of Dover Elevator and Thyssen Elevator.
The Universal Hallen derrick, replacing the D-Frame option, is a kind of traditional topping lift. The Hallen D-Frame is a steel bracket welded on the mast in the centerline. For an observer standing a beam, the frame has a "D"-shape. The D-Frame supersedes the outriggers and provides a good controlling angle on the guys.