planetary gear motor
51Overdrive (mechanics) — For other uses, see Overdrive. An overdrive is sometimes a separate unit that fits into the back of a gearbox, as with this Fairey unit. A plate warns to only engage the unit in third and fourth gears …
52Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
53steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …
54Teletouch — was the trade name for the transmission controls found on many Edsel brand automobiles manufactured by the Edsel and Mercury Edsel Lincoln (M E L) Divisions of the Ford Motor Company. The significance of the Teletouch systems lies in its… …
55Mechanical calculator — An old Russian mechanical calculator. A mechanical calculator is a device used to perform the basic operations of arithmetic. Mechanical calculators are comparable in size to small desktop computers and have been rendered obsolete by the advent… …
56technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
57Belt (mechanical) — For other belts, see Belt (disambiguation). A pair of vee belts …
58Electric boat — This article is about electrically powered boats in general. For the company called Electric Boat , see General Dynamics Electric Boat. Passenger solar boat Solifleur, Switzerland 1995 While a significant majority of water vessels are powered by… …
59History of the automobile — Vehicles that can be considered automobiles were demonstrated as early as 1769; although that date is disputed, 1806 marked the introduction of fuel gas powered internal combustion engines and 1885 marked the introduction of gasoline powered… …
60Howard Simpson — Howard Woodworth Simpson (8 May 1892 ndash; 4 November 1963) was an automotive engineer whose designs were extensively used in automatic transmissions.BiographyHoward Simpson was born on 8 May, 1892 in Kalamazoo, Michigan, the son of John Robert… …
