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Kline–Fogleman Airfoil
The Kline–Fogleman airfoil or KF airfoil is a simple airfoil design with single or multiple steps along the length of the wing. It was originally devised in the 1960s for paper airplanes. In the 21st century the KF airfoil has found renewed interest among hobbyist builders of radio-controlled aircraft, due to its simplicity of construction. But it has not been adopted for full-size aircraft capable of carrying a pilot, passengers, or other substantial payloads. History The KF airfoil was designed by Richard Kline and Floyd Fogleman. In the early 1960s, Richard Kline wanted to make a paper airplane that could handle strong winds, climb high, level off by itself and then enter a long downwards glide. After many experiments he was able to achieve this goal. He presented the paper airplane to Floyd Fogleman who saw it fly and resist stalling. The two men then filed for a patent on the stepped airfoil. Further development resulted in two patents and a family of airfoils known ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
KFm2 Illustration
KFM or Kfm may refer to: Radio stations * Kfm 94.5, South Africa * Kfm (Ireland), Ireland * KFM Radio, Greater Manchester, England * KMFM West Kent, Kent, England Organisations and companies * Knights of Father Matthew, a catholic temperance society that originated in Ireland * Komet Flight Motor, an Italian aircraft engine manufacturer * Kommunistiska Förbundet Marxist-Leninisterna, former Swedish communist party * Kronofogdemyndigheten, Swedish government agency handling debt collection, distraint and evictions Other uses * Kearny fallout meter, an expedient radiation meter, which can be made from household items * Kelvin probe force microscope * The KDE file manager, now replaced by Konqueror * Keysi Fighting Method, a martial art with roots in Jeet Kun Do, Wing Chun, and street fighting * The Kentucky Fried Movie, an American comedy film, released in 1977 and directed by John Landis {{disambig ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |