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Pfitzner, Sándor (Alexander)

Pfitzner was born in 1880 in Csete, Hungary. He attended the Hungary University of Technology before joining the Hungarian Army, serving as a Lieutenant in an artillery regiment before immigrating to the United States in the early years of the 20th century.
Pfitzner worked for several automobile manufacturers before starting with the Curtiss Aeroplane and Motor Company. He designed and built the gasoline engine with which Curtiss won the overall speed event in 1909 Gordon Bennett Cup in Rheims, France.
Frustrated by the efforts of the Wright Brothers' use of the courts to dominate the developing market for powered flight, Pfitzner designed his own aircraft, the Pfitzner Flyer, which avoided the Wrights' method of warping the wings to achieve a lift differential between port and starboard wings by using wing extensions (or 'compensators'). In his book "Monoplanes and Biplanes: Their Design, Construction and Operation" (1911), Grover Loening wrote "This aeroplane is a distinct departure from all other monoplanes in the placing of the motor, aviator, and rudders, and in the comparatively simple and efficient method of transverse control by sliding surfaces, applied here for the first time". The issue of patent protection was sufficiently in the public eye for the "New York Times", in its issue of 16 January 1910, to headline Pfitzner’s design as an "Aeroplane Without Patent Drawbacks". The same article refers to the "Wright suits" and their attempts to "build up their patent fences"; Pfitzner is quoted there as saying that "any one who wants to do so is welcome to use [his] panel invention without cost or fear of injunction".
The performance of his monoplane "Flyer" disappointed Pfitzner. In 1910 he joined the Burgess Company at Marblehead, Massachusetts, where he worked on the design of a biplane which also employed his sliding wing-tip principle. This aircraft was destroyed in a crash in 1910.
Pfitzner is reported to have been depressed by his lack of success; on July 12, 1910 he rowed out into Marblehead Harbour with a suitcase containing his drawings. The otherwise empty boat was found a few days later with his hat, coat and a recently used revolver, but Pfitzner's body was never found.

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