quill shaft — i. A long, thin, hardened steel shaft with splines on each end that connects the engine to the generator. ii. A form of torsional vibration damper used between the engine crankshaft and the propeller reduction gear. iii. A slim driveshaft or… … Aviation dictionary
Composite gear housing — Fiber reinforced composite material is used for weight reduction of engineering structures. Carbon fiber reinforced composite plastic material is commonly used in the aerospace industry. John Barnard tried to incorporate this material in a gear… … Wikipedia
Digital read out — DRO providing a three axis display with pitch circle calculator, diameter/radius conversion, absolute and incremental toggle, and inch metric toggle A digital read out (DRO) is a small computer (display unit) usually with an integrated keyboard… … Wikipedia
Bicycle pedal — A bicycle pedal is the part of a bicycle that the rider pushes with their foot to propel the bicycle. It provides the connection between the cyclist s foot or shoe and the crank allowing the leg to turn the bottom bracket spindle and propel the… … Wikipedia
Electric locomotive — Electric Trains redirects here. For the 1995 Squeeze single, see Electric Trains (song). An electric locomotive is a locomotive powered by electricity from an external source. Sources include overhead lines, third rail or an on board electricity… … Wikipedia
Drill — For other uses, see Drill (disambiguation). Drill scheme A drill or drill motor is a tool fitted with a cutting tool attachment or driving tool attachment, usually a drill bit or driver bit, used for drilling holes in various materials or… … Wikipedia
Buchli drive — The Buchli drive is a transmission system used in electric locomotives. It was named after its inventor, Swiss engineer Jakob Buchli [:de:Jakob Buchli| [Deutsch] ] . The drive is a fully spring loaded drive, in which each floating axle has an… … Wikipedia
Supermarine Spitfire — Infobox Aircraft name =Spitfire type =Fighter manufacturer =Supermarine caption =The distinctive silhouette of a typical Spitfire shows elliptical wings. (P7350, a Mk IIa, was first delivered to 266 Squadron on 6 September 1940.) designer =R. J.… … Wikipedia
Stem (bicycle part) — The stem, also called a goose neck, [cite web url = http://www.sheldonbrown.com/gloss g.html#gooseneck title = Sheldon Brown Glossary: Goose Neck accessdate = 2008 01 01|last=Brown |first=Sheldon |authorlink=Sheldon Brown (bicycle mechanic)… … Wikipedia
Supermarine 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 … Wikipedia