spider

spider
i. That portion of a propeller assembly used to support the propeller blades. The spider and the roots of the blades are enclosed in a high-strength propeller hub.
ii. A system of pitch control in helicopters’ rotors. The arms of the spider are connected to the leading edges of the rotor blades by control rods, and the spider spindle is situated inside the rotor shaft. When cyclic pitch changes are made, a ball joint mounting allows the spider to Tail-rotor spider. By mov-tilt. Collective pitch changes are made by raising or lowering the whole spider.
Tail-rotor spider. By moving in or out, the spider controls the pitch changes of the tail-rotor blade.

Aviation dictionary. 2014.

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  • Spider — Spi der, n.[OE. spi[thorn]re, fr. AS. spinnan to spin; so named from spinning its web; cf. D. spin a spider, G. spinne, Sw. spindel. See {Spin}.] 1. (Zo[ o]l.) Any one of numerous species of arachnids comprising the order Araneina. Spiders have… …   The Collaborative International Dictionary of English

  • spider — [ spidɛr ] n. m. • 1877; mot angl. « araignée », à cause des hautes roues et des sièges surélevés ♦ Anciennt 1 ♦ Voiture hippomobile décapotable, à quatre roues, proche du phaéton. 2 ♦ (1930) Coffre aménagé à l arrière d un cabriolet automobile… …   Encyclopédie Universelle

  • Spider — (englisch für „Spinne“) steht für: Alfa Romeo Spider, ein Cabriolet Spider Krater, ein Einschlagkrater in Westaustralien Spider (Film), Film von David Cronenberg WWW Suchprogramme, siehe Webcrawler Spider (Patience), Patience Variation, siehe… …   Deutsch Wikipedia

  • spider — O.E. spiþra, from P.Gmc. *spenthro (Cf. Dan. spinder), from *spenwanan to spin (see SPIN (Cf. spin)). The connection with the root is more transparent in other Germanic cognates (Cf. M.L.G., M.Du., M.H.G., Ger. spinne, Du. spin spider ). In… …   Etymology dictionary

  • spider — spíder s. n., pl. spídere Trimis de siveco, 10.08.2004. Sursa: Dicţionar ortografic  SPÍDER s.n. Loc amenajat într un automobil de sport, în spatele scaunelor, pentru a plasa bagaje sau, eventual, pasageri. [< fr. spider]. Trimis de… …   Dicționar Român

  • SPIDER — (Heb. עַכָּבִישׁ, akkavish). Isaiah (59:5–6) compares the evil designs of those who plot against the righteous to the webs which the spider spins to trap insects, while Job (8:14–15) compares the house of the wicked to the spider s fragile web.… …   Encyclopedia of Judaism

  • Spider —    Drame de David Cronenberg d après le roman de Patrick McGrath, avec Ralph Fiennes (Spider), Bradley Hall (Spider enfant), Gabriel Byrne (Bill), Miranda Richardson, Lynn Redgrave, John Neville.   Pays: Canada   Date de sortie: 2001   Technique …   Dictionnaire mondial des Films

  • spider — ► NOUN 1) an eight legged predatory arachnid with an unsegmented body consisting of a fused head and thorax and a rounded abdomen, most kinds of which spin webs in which to capture insects. 2) Billiards & Snooker a long legged rest for a cue that …   English terms dictionary

  • spider — spider, Also known as bot or crawler. A computer program or programs which seek out and collect information from publicly available websites. Such programs are used by search engines (such as Yahoo!, Google and AltaVista) to visit websites and… …   Law dictionary

  • Spider — (engl., spr. ßpaider, »Spinne«), vierräderiger, hochgebauter Selbstfahrer für Damen, mit bockartigem verdeckten Sitzplatz; Sepider Phaethon ohne Verdeck, Selbstfahrer für Herren …   Meyers Großes Konversations-Lexikon

  • Spider — Spider,der:⇨Kabrio[lett] …   Das Wörterbuch der Synonyme

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