| 11. | A wing with a conventional aerofoil profile makes a negative contribution to longitudinal stability.
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| 12. | Rotational sails have aerofoil shape on the leeward side only when filled with wind.
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| 13. | One such design is called the supercritical aerofoil.
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| 14. | His findings underpin all modern aerofoil design.
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| 15. | Lotus was the first team to use aerofoil wings, which appeared partway through 1968.
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| 16. | The wings were braced by interplane I-struts of broad aerofoil cross-section.
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| 17. | Axial compressors rely on spinning blades that have aerofoil sections, similar to aeroplane wings.
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| 18. | The design, by Foster and Partners, incorporates a sweeping aerofoil shaped roof canopy.
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| 19. | The aerofoil section was a NACA laminar flow one to have a low profile drag.
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| 20. | The axle was enclosed within an aerofoil shaped fairing which added to the wing area.
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