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In an aircraft, ribs are forming elements of the structure of a wing, especially in traditional construction.

Wing ribs of a de Havilland DH.60 Moth
Wing ribs of a de Havilland DH.60 Moth

By analogy with the anatomical definition of "rib", the ribs attach to the main spar, and by being repeated at frequent intervals, form a skeletal shape for the wing. Usually ribs incorporate the airfoil shape of the wing, and the skin adopts this shape when stretched over the ribs.


Type of ribs


There are several types of ribs. Form-ribs, plate-type ribs, truss ribs, closed-ribs, forged ribs and milled ribs, where form-ribs are used for light to medium loading and milled ribs offer the greatest strength.

Ribs are made out of wood, metal, plastic, composites, foam. The wings of kites,[1] hang gliders,[2] paragliders,[3] powered kites,[4] powered hang gliders, ultralights, windmills [5] are aircraft that have versions that use ribs to form the wing shape.

For full size and flying model aircraft wing structures that are usually made of wood, ribs can either be in one piece (forming the airfoil at that rib's "station" in the wing), or be in a three-piece format, with the rib web being the part that the one-piece rib consisted of, with capstrips for the upper and lower edging of the rib, running from the leading edge to the trailing edge, being the other two component parts.


References



На других языках


- [en] Rib (aeronautics)

[fr] Nervure (aéronautique)

En construction aéronautique, les nervures constituent une partie de la structure des ailes d'un avion.

[it] Centina (aeronautica)

Nell'ambito delle costruzioni aeronautiche, una centina (pronuncia: céntina) è un componente della struttura dell'ala o dell'impennaggio di un aeromobile; le centine, disposte trasversalmente rispetto all'apertura e tenute in posizione da elementi longitudinali paralleli all'apertura noti come longheroni, svolgono la funzione di garantire che l'ala (o l'impennaggio) conservi il profilo voluto e quella di permettere che le sollecitazioni a cui il rivestimento stesso è soggetto vengano distribuite ai longheroni.[1]

[ru] Нервюра (техника)

Нервю́ра (франц. nervure, лат. nervus — «жила, сухожилие») — элемент поперечного силового набора каркаса крыла, оперения и других частей летательного аппарата (или космического судна), предназначенный для придания им формы профиля[1]. Нервюры закрепляются на продольном силовом наборе (лонжероны, кромки, стрингеры), являются основой для закрепления обшивки[2].



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