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The capacity of a lift is constrained by the motive power (prime mover), the rope speed, the carrier spacing, the vertical displacement, and the number of carriers on the rope (a function of the rope length). Human passengers can load only so quickly until loading efficiency decreases; usually an interval of at least five seconds is needed.
In contrast to the fixed-grip version, the chairs of a detachable chair lift detach from the haul rope for loading and unloading. The significance of detachable chairlift technology is primarily the speed and capacity. Detachable chairlifts move far faster than their fixed-grip brethren, averaging 1,000 feet per minute (11.3 mph, 18 km/h, 5.08 ...
In English units, is this from less than 100th of an ounce to as much as 500 lbs or more. Specialized checkweighers can weigh commercial aircraft, and even find their center-of-gravity. Checkweighers can operate at very high speeds, processing products weighing fractions of a gram at over 100m/m (meters per minute) and materials such as ...
A gas lift chair is a form of office chair that allows the user to modify their height in relation to the height of a desk, leading to an increase in comfort and ergonomic benefit. A patent describing a common configuration of a gas lift cylinder by John Wang, published 20 May 1989.
Also bosun's chair. 1. A short board or swatch of heavy canvas, secured in a bridle of ropes, used to hoist a man aloft or over the ship's side for painting and similar work. Modern boatswain's chairs incorporate safety harnesses to prevent the occupant from falling. 2. A metal chair used for ship-to-ship personnel transfers at sea while underway.
Audio recording of Spitfire fly-past at the 2011 family day at RAF Halton, Buckinghamshire Supermarine Spitfire G-AWGB landing at Biggin Hill Airport, June 2024. The Supermarine Spitfire is a British single-seat fighter aircraft used by the Royal Air Force and other Allied countries before, during, and after World War II.
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