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・ Stefan Hoenerloh
・ Stefan Holm
・ Stefan Holtz
・ Stefan Horngacher
・ Stefan Hristov
・ Stefan Huber
・ Stefan Hula
・ Stefan Hula, Jr.
・ Stefan Hula, Sr.
・ Stefan Humphries
・ Stefan Hundstrup
・ Stefan Dragutinovic
・ Stefan Drašković
・ Stefan Dražić
・ Stefan Drews
Stefan Drzewiecki
・ Stefan Dunjov
・ Stefan Durić
・ Stefan Dušan
・ Stefan Dörflinger
・ Stefan Dąb-Biernacki
・ Stefan E. Warschawski
・ Stefan Eck
・ Stefan Edberg
・ Stefan Edberg career statistics
・ Stefan Edwall
・ Stefan Eeckelaert
・ Stefan Effenberg
・ Stefan Eichinger
・ Stefan Eins


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Stefan Drzewiecki : ウィキペディア英語版
Stefan Drzewiecki

Stefan Drzewiecki (July 26, 1844 in Kunka, Podolia, Russian Empire (today Ukraine, formerly Polish–Lithuanian Commonwealth) – April 23, 1938 in Paris) was a Polish scientist, journalist, engineer, constructor and inventor, working in France, and in the Russian Empire during the partitions of Poland.
Drzewiecki was born into Polish szlachta family of national patriots. His grandfather Józef Drzewiecki served under Kościuszko and Dąbrowski against the foreign invaders. His father Karol Drzewiecki took part in the November Uprising. Young Stefan was sent by him away from partitioned Poland to complete his education in France. With a knack for creativity and invention, Stefan Drzewiecki invented such useful tools as the kilometric counter for taxicabs. At the special request of Grand Duke Konstantin and his financial insentives, Drzewiecki moved to Saint Petersburg in 1873. While in Russia he made an instrument that drew the precise routes of ships onto a nautical chart.〔(„Drzewiecki” submarine ) at CTIE.Monash.edu.au.〕〔( Okręty Podwodne Świata (wszystko o okrętach podwodnych). ) at OPS.Mil.pl〕
==Career==

Drzewiecki distinguished himself mainly in aviation and ship building. Beginning in 1877, during the Russo-Turkish War, he developed several models of propeller-driven submarines that evolved from single-person vessels to a four-man model. He developed the theory of gliding flight, developed a method for the manufacture of ship and plane propellers (1892), and presented a general theory for screw-propeller thrust (1920). He also developed several models of early submarines for the Russian Navy.
His work ''Theorie générale de l'hélice'' (1920), was honored by the French Academy of Science as fundamental in the development of modern propellers.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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