pitch cylinder
21herringbone gear — a helical gear having teeth that lie on the pitch cylinder in a V shaped form so that one half of each tooth is on a right handed helix and the other half on a left handed helix. Also called double helical gear. * * * …
22herringbone gear — noun : a gear with double helical teeth inclined in reverse directions and making a herringbone pattern * * * a helical gear having teeth that lie on the pitch cylinder in a V shaped form so that one half of each tooth is on a right handed helix… …
23Gear — 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… …
24Gramophone record — A 12 inch (30 cm) 33⅓ rpm record (left), a 7 inch 45 rpm record (right), and a CD (above) A gramophone record, commonly known as a phonograph record (in American English), vinyl record (in reference to vinyl, the material most commonly used after …
25percussion instrument — a musical instrument, as the drum, cymbal, triangle, xylophone, or piano, that is struck to produce a sound, as distinguished from string or wind instruments. [1870 75] * * * A musical instrument that is struck (or sometimes shaken or scraped) to …
26ГОСТ 28500-90: Передачи ременные синхронные. Термины и определения — Терминология ГОСТ 28500 90: Передачи ременные синхронные. Термины и определения оригинал документа: angle au sommet de l¢intervalle Angle compris entre les flancs, se faisant face, de deux dents consécutives Определения термина из разных… …
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27Liquid crystal — Schlieren texture of liquid crystal nematic phase Liquid crystals (LCs) are a state of matter that have properties between those of a conventional liquid and those of a solid crystal.[1] For instance, an LC may flow like a liquid, but its… …
28Mitsubishi 4A9 engine — 4A9 Manufacturer MDC Power Production 2004–present Predecessor Mitsubishi 4G1 engine Cylinder block alloy Aluminum die cast Cylinder head alloy Aluminum die cast …
29Lycoming O-320 — O 320 A Lycoming O 320 D2A installed in a Symphony SA 160 Type …
30Screw thread — Internal and external threads illustrated using a common nut and bolt. The screw and nut pair can be used to convert torque into linear force. As the screw (or bolt) is rotated, the screw moves along its axis through the fixed nut, or the non… …
