Zbysław Ciołkosz (23 March 1902 – 25 June 1960) was a prolific

Polish American Polish Americans ( pl, Polonia amerykańska) are Americans who either have total or partial Polish ancestry, or are citizens of the Republic of Poland. There are an estimated 9.15 million self-identified Polish Americans, representing about 2.83 ...

aircraft designer, whose work includes the P.Z.L. 27, PWS-20,

LWS-3 Mewa The LWS-3 Mewa ("Seagull") was a Polish observation and close reconnaissance aircraft, designed in the late-1930s by the LWS factory. It was ordered by the Polish Air Force, but did not manage to enter service before the outbreak of World War II ...

, RWD-11,

LWS-6 Żubr The LWS-6 Żubr (PZL.30, ''wisent'') was a twin-engined medium bomber designed and produced by the Polish aircraft manufacturer LWS. It was only produced in limited numbers and was used for training purposes as it proved to be inferior to the con ...

, PWS-1, PWS-54, PWS-19,

LWS-2 The LWS-2 was the Polish air ambulance aircraft prototype, designed in the late-1930s in the LWS factory (''Lublin Aircraft Factory''). Design and development The LWS-2 was designed as a light ambulance aircraft, for a requirement of the Polish ...

, and PWS-52.''Obituary'' (1960) Flight 78(2681), 141.Milewski, W. ''et al'' (1985) ''Guide to the Archives of the Polish Institute and Sikorski Museum'', Orbis Books, London. He was with PWS and LWS, but emigrated to America in 1948, where his work at

Piasecki Helicopter Piasecki Helicopter Corporation was a designer and manufacturer of helicopters located in Philadelphia and nearby Morton, Pennsylvania, in the late 1940s and the 1950s. Its founder, Frank Piasecki, was ousted from the company in 1956 and starte ...

earned him the

Wright Brothers Medal The Wright Brothers Medal was conceived of in 1924 by the Dayton Section of the Society of Automotive Engineers, and the SAE established it in 1927 to recognize individuals who have made notable contributions in the engineering, design, developmen ...

in 1953 with D. N. Meyers for a paper discussing the use of shaft turbines for helicopters.Meyers, D. and Ciolkosz, Z. (1954
''Matching the Characteristics of Helicopters and Shaft-Turbines''
SAE Technical Paper 540256, doi:10.4271/540256.

References

{{DEFAULTSORT:Ciolkosz, Zbyslaw American aerospace engineers Polish aerospace engineers Polish emigrants to the United States 1902 births 1960 deaths 20th-century American engineers