gear efficiency
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gear — [gir] n. [ME gere, prob. < ON gervi, preparation, ornament, akin to OE gearo, YARE] 1. a) Obs. the clothing and equipment of a soldier, knight, etc. b) clothing; apparel 2. movable property; esp., apparatus or equipment for some particular… … English World dictionary
Gear — For the gear like device used to drive a roller chain, see Sprocket. This article is about mechanical gears. For other uses, see Gear (disambiguation). Two meshing gears transmitting rotational motion. Note that the smaller gear is rotating… … Wikipedia
gear — gearless, adj. /gear/, n. 1. Mach. a. a part, as a disk, wheel, or section of a shaft, having cut teeth of such form, size, and spacing that they mesh with teeth in another part to transmit or receive force and motion. b. an assembly of such… … Universalium
gear — I (New American Roget s College Thesaurus) n. clothing, dress; cogwheel; equipment, tools, apparatus; harness, etc. See instrumentality, provision. II (Roget s IV) n. 1. [Equipment] Syn. material, tackle, apparatus, paraphernalia; see equipment … English dictionary for students
Hub gear — Sturmey Archer SX3 A Sturmey Archer AM bicycle hub gear mechanism wi … Wikipedia
Valve gear — The valve gear of a steam engine is the mechanism that operates the inlet and exhaust valves to admit steam into the cylinder and allow exhaust steam to escape, respectively, at the correct points in the cycle. It is sometimes referred to as the… … Wikipedia
Spiral bevel gear — A spiral bevel gear is a bevel gear with helical teeth. The main application of this is in a motor vehicle differential, where the direction of the drive carried by the propeller shaft (drive shaft) has to be turned through 90 degrees in order to … Wikipedia
Fixed-gear bicycle — A fixed gear bicycle or fixed wheel bicycle, is a bicycle without the ability to coast. The sprocket is screwed directly on to the hub and there is no freewheel mechanism. A reverse thread lockring is usually fitted to prevent the sprocket from… … Wikipedia
Interrupter gear — is a term that covers two related technologies. The first is the synchronization gear, which is often incorrectly referred to as interrupter gear ; this is a triggering device attached to the machine gun armament of a tractor type fighter… … Wikipedia
Top Gear (current format) — Infobox Television show name = Top Gear caption = The Top Gear logo genre = Motoring creator = writer = director = creative director = developer = presenter = Jeremy Clarkson Richard Hammond James May (since 2003) The Stig Jason Dawe (2002)… … Wikipedia
