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A traditional climbing rack on a harness A rack A whale tail (rack) 1. Name given to the collective set of protection equipment carried by a lead climber up a climb. [1] [2] 2. A type of heavy-duty "all-weather" descender known as an "abseil rack" or a "rappel rack", consisting of metal bars on a U-shaped chassis, which is frequently used in ...
A power rack (also known as a power cage, squat cage or squat rack) is a piece of weight training equipment that functions as a mechanical spotter for free weight barbell exercises without the movement restrictions imposed by equipment such as the Smith machine. Its general design is four upright posts with two adjustable horizontal bar catches ...
Two hours into an expected 3:02 flight, the port engine began to overspeed. Attempts to cut off and/or feather the propeller failed and the aircraft lost altitude. The pilot electet to shut down the engine by turning off the fire wall shut off. The engine stopped, but the propeller shaft sheared with the propeller windmilling at an increased rate.
FDC(s) convert the observer's target information into firing data for the battery's weapons. The equivalent of an artillery observer for close air support is a forward air controller, while for the equivalent for naval gunfire support is a spotter. For general fire support, the position is known as a fire support specialist (FiSTer) or simply ...
This is intended to make it safer for those who lift without a spotter, as one only needs to twist the wrist in order to lock the barbell in place in the event that the weight becomes too great. Most models also incorporate blocks, pegs, or other devices which can be adjusted to automatically stop the barbell at a predetermined minimum height.
The height of a rack can vary from a few inches, such as in a broadcast console, to a floor-mounted rack whose interior is 45 rack units (200.2 centimetres or 78.82 inches) high. 42U is a common configuration. Many wall-mounted enclosures for industrial equipment use 19-inch racks.
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