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This was an Olympic gymnastic event at one time, [1] but was removed from that venue after the 1932 games. In the United States, competitive climbing on both 20 ft and 25 ft, 1.5-inch-diameter (38 mm) natural fiber ropes was sanctioned by both the AAU and the NCAA until the early 1960s, when these organizations dropped the events.
In physics, Hooke's law is an empirical law which states that the force (F) needed to extend or compress a spring by some distance (x) scales linearly with respect to that distance—that is, F s = kx, where k is a constant factor characteristic of the spring (i.e., its stiffness), and x is small compared to the total possible deformation of the spring.
Generally, competitors climbed either a 6m (6.1 m = 20 ft in the US) or an 8m (7.6 m = 25 ft in the US), 38 mm diameter (1.5-inch) natural fiber rope for speed, starting from a seated position on the floor and using only the hands and arms. Kicking the legs in a kind of "tride" was normally permitted.
The origin and invention of the Bowden cable are open to some dispute, confusion and myth. The invention of the Bowden cable has been popularly attributed to Sir Frank Bowden, one time owner of the Raleigh Bicycle Company who, circa 1902, was reputed to have started replacing the rigid rods used for brakes with a flexible wound cable but no evidence for this exists.
Rope splicing in ropework is the forming of a semi-permanent joint between two ropes or two parts of the same rope by partly untwisting and then interweaving their strands. Splices can be used to form a stopper at the end of a line, to form a loop or an eye in a rope, or for joining two ropes together. [ 1 ]
The .308×1.5" Barnes is a wildcat cartridge based on the .308 Winchester (7.62×51mm NATO). The cartridge is similar to the 7.62×39mm Russian (M43) cartridge though it outperforms the Soviet cartridge. [2]
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