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F-102 Delta Dagger in action

Posted By: lout
F-102 Delta Dagger in action

F-102 Delta Dagger in action (Aircraft number 199) By Larry Davis
Publisher: Squadron Signal 2005 | 52 Pages | ISBN: 0897474945 | PDF | 35 MB


The delta wing is not particularly new. As early as 1650, the Polish artillery specialist Kazimierz Siemienowicz described the construction of rockets having delta-shaped stabilizers instead of the usual guiding rods. In 1867 Englishmen James W. Butler and Edmund Edwards were awarded a patent for a delta-winged aircraft powered by a jet of steam. But practical delta-winged aircraft are a twentieth-cen­tury development, and German aerodynamicist Dr. Alexander Lippisch is considered to be the "father of delta wing aircraft designs." Dr. Lippisch had completed several tailless and delta wing glider designs as early as 1937 and successfully tested a 60-degree delta wing in a supersonic wind tunnel in 1939. By 1940, one of the Lippisch tailless designs had been combined with an experimental German rocket engine to create the DFS 194, which attained a speed of 341 miles per hour that same year. NACA scientists in the United States had also shown an interest in the delta wing. Pre-World War II studies had indicated that such a wing would have a very low aspect ratio, resulting in some very high speeds. But it was just a theory, as no powerplant was then available to take advantage of the theory — at least in the United States.

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