Stefan Drzewiecki | |
|---|---|
 Stefan Drzewiecki | |
| Born | July 26, 1844 Kunka, Russian Empire |
| Died | April 23, 1938 (aged 93) Paris, France |
| Nationality | Polish |
| Education | École Centrale Paris |
| Occupation(s) | Engineer, constructor and inventor |
| Known for | Submarine design Blade element theory Drzewiecki drop collar |
| Awards | Order of St. George  |
Stefan Drzewiecki (Polish: [ˈstɛfan d͡ʐɛˈvjɛt͡skʲi]; Russian: Джеве́цкий Степа́н Ка́рлович (Казими́рович); Ukrainian: Джеве́цький Степа́н Ка́рлович (Казими́рович); 26 July 1844, Kunka (ru), Podolia, Russian Empire (today Kunka (uk), Ukraine) – 23 April 1938, Paris) was a Polish scientist, journalist, engineer, constructor and inventor, known for designing and constructing the world's first electric-powered submarine. He worked mainly in France and the Russian Empire.[1][2][3]
He built the first submarine in the world with electric battery-powered propulsion in 1884. He also independently developed the blade element theory (BET), a mathematical process used to determine the behavior of propellers.
- ^ Branfill-Cook, Roger (2014). Torpedo: The Complete History of the World's Most Revolutionary Naval Weapon. Seaforth Publishing. p. 117. ISBN 9781848322158.
- ^ Gudmundsson, Snorri (2013). General Aviation Aircraft Design: Applied Methods and Procedures. Butterworth-Heinemann. p. 640. ISBN 9780123973085.
- ^ Cite error: The named reference
Drzewieckiwas invoked but never defined (see the help page).