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An automotive belt with the number "740K6" or "6K740" indicates a belt 74 inches (190 cm) in length, 6 ribs wide, with a rib pitch of 9 ⁄ 64 of an inch (3.6 mm) (a standard thickness for a K series automotive belt would be 4.5mm). A metric equivalent would be usually indicated by "6PK1880" whereby 6 refers to the number of ribs, PK refers to ...
The capstan equation [1] or belt friction equation, also known as Euler–Eytelwein formula [2] (after Leonhard Euler and Johann Albert Eytelwein), [3] relates the hold-force to the load-force if a flexible line is wound around a cylinder (a bollard, a winch or a capstan).
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It is a stepless, fully-automatic transmission, consisting of a V-shaped drive-belt, and two pulleys, each of two cones, whose effective diameter can be changed so that the "V" belt runs nearer the spindle or nearer the rim, depending on the separation of the cones. These are synchronized so that the belt always remains at the same optimal tension.
The first multiple rope drive was a 9-rope drive of 200 bhp produced by Combe Barbour [1] for their Falls Foundry, Belfast, in 1863. [2] [3] James Combe experimented first with circular ropes laid from leather strips, then from manila hemp. [3]
Tomb KV9 in Egypt's Valley of the Kings was originally constructed by Pharaoh Ramesses V. He was interred here, but his uncle, Ramesses VI , later reused the tomb as his own. The architectural layout is typical of the 20th Dynasty – the Ramesside period – and is much simpler than that of Ramesses III 's tomb ( KV11 ).
The Egypt Karate Federation is the national body for Karate in Egypt. It's the only association authorised to send Egyptian Karatekas to the Summer Olympics . Egypt is one of the dominant forces in Sport karate in the world.