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 The PWS-20 was a Polish single-engine high-wing 8 passenger airliner, built in the PWS factory and when it made its first flight in 1929 it became the first Polish-designed transport aircraft to fly. Development The aircraft was developed by Z ...

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 The RWD-11 was a six-passenger feeder-liner designed and built in Poland from 1932. Development In 1932 the Polish ministry of Transport let it be known that they wanted a multi-engined feeder-liner to operate low frequency routes with challen ...

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 The PWS-1 was a Polish two-seat fighter aircraft, fighter and reconnaissance aircraft constructed by Podlaska Wytwórnia Samolotów (PWS) in 1927. It remained a prototype for its entire lifespan. Design and development The PWS-1 was the first air ...

, PWS-54,

PWS-19 The PWS-19 was a Polish reconnaissance and bomber plane prototype of the 1930s, constructed in the PWS (''Podlaska Wytwórnia Samolotów'' - Podlasie Aircraft Factory). Development The PWS-19 was constructed in 1930 in order to replace the Fre ...

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 The PWS-52 was a Polish sports aircraft of 1930, a single-engine high-wing monoplane, constructed by the '' Podlaska Wytwórnia Samolotów'' (PWS), that remained a prototype. Development The aircraft was designed in 1929 by Zbysław Ciołkosz a ...

.''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 PWS may refer to: * Pressure wave supercharger, a type of super-charger technology *Performance work statement, term used to summarize the work that needs to be done for a contract * Personal weather station, a weather station owned and operated by ...

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