Walter Junior Explained

The Walter Junior was a family of four cylinder air cooled inverted inline 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 as the P.Z. Inż. Junior.^[1]

Variants

Walter Junior 4-I

105abbr=onNaNabbr=on at 2,000 rpm.

Walter Junior-Major

120abbr=onNaNabbr=on at 2,100 rpm (nominal), 130abbr=onNaNabbr=on at 2,350 rpm (maximum).

P.Z. Inż. Junior

Approximately 600 engines manufactured under license in Poland by Państwowe Zakłady Inżynierii, Warsaw.

Elizalde J4

Approximately 150 engines manufactured under license in Spain by Elizalde SA Barcelona.

Applications

Adaro Chirta
Aero A.34
Beneš-Mráz Be-150 Beta-Junior
Breda Ba.15
de Havilland Puss Moth
González Gil-Pazó GP-1
Hispano-Suiza E-34
Hopfner HS-10/32
Praga BH-111
RWD 5
RWD 8
RWD 10

Notes and References

Web site: Forbes . Peter . Forbes . Rita . Engine Data Sheets:Czechoslovakian Aero Engines: Page 117 of 140 . Peter & Rita Forbes' Engine Webpages. 20 April 2018.