Science Fair Project Encyclopedia
Stefan Drzewiecki
Stefan Drzewiecki (b. July 26, 1844 in Kunka , Podole - April 23, 1938 in Paris) was a Polish scientist, journalist, engineer, constructor and inventor.
Drzewiecki mainly in aviation and ship building - he developed theory of gliding flight, developed a method for manufacture of ship and plane propellers (1892), presented a general theory for screw-propeller thurst (1920).
His work "Theorie generale de l'helice" (1920), was honored by the French Academy of Science as a fundamental work in the development of modern propellers.
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details