main spar

The principal longitudinal, spanwise load-carrying member of an airplane or a control surface.

Aviation dictionary. 2014.

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  • Spar (aviation) — In an aircraft, the spar is the main structural member of the wing, running widthways across the span of the wing, at right angles (or thereabouts) to the fuselage. The spar carries all of the forces of both lift, and the weight of the wings on… …   Wikipedia

  • Spar (mineralogy) — Spar is a term that is used to refer to a category of crystals that have readily discernible faces. Crystallized, earthy, and some metallic, a spar will easily break into rhomboidal, cubical, or laminated fragments with polished surfaces, but… …   Wikipedia

  • spar — spar1 [spär] n. [< MDu or MLowG, akin to OE spær(stan), gypsum, chalk] any shiny, crystalline, nonmetallic mineral that cleaves easily into chips or flakes spar2 [spär] n. [ME sparre < ON sparri or MDu sparre < IE base * sper , pole, rod …   English World dictionary

  • Main — (m[=a]n), a. [From {Main} strength, possibly influenced by OF. maine, magne, great, L. magnus. Cf. {Magnate}.] 1. Very or extremely strong. [Obs.] [1913 Webster] That current with main fury ran. Daniel. [1913 Webster] 2. Vast; huge. [Obs.] The… …   The Collaborative International Dictionary of English

  • Main beam — Main Main (m[=a]n), a. [From {Main} strength, possibly influenced by OF. maine, magne, great, L. magnus. Cf. {Magnate}.] 1. Very or extremely strong. [Obs.] [1913 Webster] That current with main fury ran. Daniel. [1913 Webster] 2. Vast; huge.… …   The Collaborative International Dictionary of English

  • Main boom — Main Main (m[=a]n), a. [From {Main} strength, possibly influenced by OF. maine, magne, great, L. magnus. Cf. {Magnate}.] 1. Very or extremely strong. [Obs.] [1913 Webster] That current with main fury ran. Daniel. [1913 Webster] 2. Vast; huge.… …   The Collaborative International Dictionary of English

  • Main brace — Main Main (m[=a]n), a. [From {Main} strength, possibly influenced by OF. maine, magne, great, L. magnus. Cf. {Magnate}.] 1. Very or extremely strong. [Obs.] [1913 Webster] That current with main fury ran. Daniel. [1913 Webster] 2. Vast; huge.… …   The Collaborative International Dictionary of English

  • Main center — Main Main (m[=a]n), a. [From {Main} strength, possibly influenced by OF. maine, magne, great, L. magnus. Cf. {Magnate}.] 1. Very or extremely strong. [Obs.] [1913 Webster] That current with main fury ran. Daniel. [1913 Webster] 2. Vast; huge.… …   The Collaborative International Dictionary of English

  • Main chance — Main Main (m[=a]n), a. [From {Main} strength, possibly influenced by OF. maine, magne, great, L. magnus. Cf. {Magnate}.] 1. Very or extremely strong. [Obs.] [1913 Webster] That current with main fury ran. Daniel. [1913 Webster] 2. Vast; huge.… …   The Collaborative International Dictionary of English

  • Main couple — Main Main (m[=a]n), a. [From {Main} strength, possibly influenced by OF. maine, magne, great, L. magnus. Cf. {Magnate}.] 1. Very or extremely strong. [Obs.] [1913 Webster] That current with main fury ran. Daniel. [1913 Webster] 2. Vast; huge.… …   The Collaborative International Dictionary of English

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