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The Walter Junior was a family of four cylinder air cooled horizontally-opposed engines produced by Walter Aircraft Engines in Czechoslovakia in the 1930s for aircraft, characterised by a bore and stroke of , a displacement of and producing roughly .
The Junior was also built in
*
Poland
Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populous ...
as the P.Z. Inż. Junior.
Variants
;Walter Junior 4-I : at 2,000 rpm. ;Walter Junior-Major : at 2,100 rpm (nominal), at 2,350 rpm (maximum). ;P.Z. Inż. Junior :Approximately 600 engines manufactured under license in Poland byPaństwowe Zakłady Inżynierii
The Państwowe Zakłady Inżynierii (''National Engineering Works'', PZInż) was a Polish pre-World War II arms industry holding and the main Polish manufacturer of vehicles, both military and civilian.
History
It was created by the Polish ...
, Warsaw.
;Elizalde J4
:Approximately 150 engines manufactured under license in Spain by Elizalde SA Barcelona.
Applications
*Adaro Chirta
The Adaro 1.E.7 Chirta was a Spanish military trainer aircraft built shortly before the outbreak of the Spanish Civil War.
Design and development
Designed in 1934 in response to a Spanish Air Force requirement as part of its modernisation progr ...
*Aero A.34
The Aero A.34 ''Kos'' (Czech: " Blackbird") was a small sports and touring biplane built in Czechoslovakia in the 1930s.
It was designed in 1929. The design was similar to the De Havilland Gipsy Moth. Of conventional biplane configuration and w ...
* Beneš-Mráz Be-150 Beta-Junior
*Breda Ba.15
The Breda Ba.15 was a two-seat light aircraft produced in Italy in 1928.
Design and development
It was a high-wing braced monoplane of conventional design that seated the pilot and passenger in tandem within a fully enclosed cabin. Ba.15s were f ...
* de Havilland Puss Moth
*González Gil-Pazó GP-1
The González Gil-Pazó GP-1 was a single-engine, two-seat open cockpit training aircraft, built in Spain in the 1930s to compete for a government contract. Declared the winner, production was curtailed by the Spanish Civil War. Two cabin varia ...
* Hispano-Suiza E-34
*Hopfner HS-10/32
The Hopfner HS-10/32 was a utility aircraft built in Austria in the early 1930s. It was a conventional, high-wing, strut-braced cabin monoplane derived from Hopfner's series of parasol-wing light aircraft that began with the HS-5/28. Three exampl ...
*Praga BH-111
The Praga BH-111 was a sportsplane of Czechoslovakia, designed and built specifically to compete in Challenge 1932, the European touring plane championships. It was a two-seater low-wing monoplane.
Design and development
The plane was designe ...
*RWD 5
The RWD 5 was a Polish touring and sports plane of 1931, a two-seat high-wing monoplane, constructed by the RWD team. It was made famous by its transatlantic flight, being the smallest aircraft to cross the Atlantic.
Development
The RWD 5 was c ...
* RWD 8
* RWD 10
Specifications
See also
References
{{Walter aeroengines Junior Aircraft air-cooled inline piston engines 1930s aircraft piston engines Inverted aircraft piston engines