the British aircraft company Swift Aircraft have been reportedly developing a two-seater Very Light Aircraft, Light-sport aircraft and CS-23 category aircraft, the Swift Aircraft Swift, which features elliptical wings. References Citations Bibliography Clancy, L. J. Aerodynamics. Pitman Publishing Limited, London. 1975. . Ethell, Jeffrey L. and Steve Pace. Spitfire. St. Paul, Minnesota: Motorbooks International, 1997. . Francillon, René J. Japanese Aircraft of the Pacific War. London: Putnam & Company Ltd., 1970 (2nd edition 1979). . Glancey, Jonathan. Spitfire: The Illustrated Biography. London: Atlantic Books, 2006. . Mason, Francis K. The Hawker Tempest I–IV (Aircraft in Profile Number 197). Leatherhead, Surrey, UK: Profile Publications Ltd., 1967. McCormick, Barnes W. Aerodynamics, Aeronautics, and Flight Mechanics. John Wiley & Sons, New York, 1979. . pp. 135–139. Milne-Thomson, L.M. Theoretical Aerodynamics, 4th Ed., Dover Publications Inc, New York, 1966/1973. . pp. 208–209. Price, Alfred. The Spitfire Story: Revised second edition. Enderby, Leicester, UK: Siverdale Books, 2002. . Thomas, Chris and Christopher Shores. The Typhoon and Tempest Story. London: Arms and Armour Press, 1988. . External links The Spitfire Wing Planform: A Suggestion via aerosociety.com Induced Drag Coefficient via grc.nasa.gov Aircraft wing design Wing configurations