internal gearing
71Wheel motor — The wheel motor (also called wheel hub motor, hub motor or in wheel motor ) is an electric motor that is incorporated into a wheel and drives it directly.Uses* Wheel motors are applied in industry, driving e.g. wheels that are part of assembly… …
72DD-15 — may refer to: ROCS Han Yang (DD 15) (Benson class), the former American Benson class destroyer USS Hilary P. Jones (DD 427) launched in December 1939; acquired by the Republic of China Navy in February 1954; struck in 1975 and scrapped ROCS Han… …
73V boat — Seven V boats (from left to right: Cachalot, Dolphin, Barracuda, Bass, Bonita, Nautilus, Narwhal), with submarine tender Holland …
74Automobile — For the magazine, see Automobile Magazine. Car and Cars redirect here. For other uses, see Car (disambiguation). Automobile …
75Supermarine Spitfire (late Merlin powered variants) — Infobox Aircraft name =Spitfire type =Fighter manufacturer =Supermarine caption =Supermarine Spitfire VIII in the markings of 457(RAAF) Sqn designer =R. J. Mitchell first flight =5 March 1936 introduction =1938 retired =1955, RAF status = primary …
76Chain drive — Roller chain and sprocket Mack AC delivery truck at the Petersen Automotive Museum with chain drive visible Chain drive is a way of transmitting mecha …
77Cogset — A freehub (above) for use with a cassette and a threaded hub (below) for use with a freewheel. On a bicycle, the cogset or cluster[1] is the set of multiple rear sprockets that attaches to the hub on the rear wheel. A cogset works with a rear… …
78USS Spuyten Duyvil (1864) — During the American Civil War, the Union Navy suffered heavy losses from the explosion of Confederate torpedoes. This experience prompted the Union Navy to design and build vessels capable of using this new weapon. One effort along this line… …
79windmill — /wind mil /, n. 1. any of various machines for grinding, pumping, etc., driven by the force of the wind acting upon a number of vanes or sails. 2. (loosely) a wind generator; wind plant. 3. Aeron. a small air turbine with blades, like those of an …
80Timeline of computing hardware 2400 BC–1949 — History of computing Hardware before 1960 Hardware 1960s to present Hardware in Soviet Bloc countries Artificial intelligence Computer science Operating systems Programming languages …
