Junkers W 34 Explained

The Junkers W 34 was a German-built, single-engine, passenger and transport aircraft. Developed in the 1920s, it was taken into service in 1926. The passenger version could take a pilot and five passengers.

The aircraft was developed from the Junkers W 33, noted for being a record-breaking aircraft. Further development led to the Junkers Ju 46, which was seaplane for naval use capable being catapulted.

Production and service

One Junkers W 34 be/b3e managed to break the then-current altitude record on 26 May 1929 when it reached 12739abbr=offNaNabbr=off. That aircraft carried the markings D-1119 and it was equipped with a Bristol Jupiter VII engine. The airplane was flown by Willi Neuenhofen.

The Junkers W 34 was manufactured in many different versions. The total production numbers for the civil market were around 1,000, a further 2,024 his and haus were built under license for the RLM and Luftwaffe. The unit price was between RM 65,000 and 70,400.

On 31 January 1944 the Luftwaffe still had 618 W 34his and 516 W 34haus in service: the majority were used by flight schools; mainly as navigator and radio operator training (3 or 4 navigator or radio-operator trainees).

The Junkers K.43, nicknamed the "Bush Bomber", was used extensively during the Chaco War (1932–1935) fought between Bolivia and Paraguay. See external links.

The Colombian Air Force used the W 34 and K-43 in the Colombia-Peru War in 1932–3.[1]

The Swedish Air Force operated three W 33/34 between 1933 and 1953 in the transport and air ambulance roles, initially with the military designation Trp 2 and Trp 2A, eventually changed to Tp 2 and Tp 2A. One of these is preserved today in civilian colors as SE-BYA.

In 1930 Finnish Air Force bought a single W 34 (JU-122) for maritime operations and six K 43s (JU-123 – JU-128) for use as light bombers, during Continuation war the planes were used as transports, evacuating wounded and supplying Long-Range Recon Patrols behind the enemy lines. Additional five W 34s were bought in 1944 for radio navigation training (JU-131 – 135), after the war Finnish Border Guard operated the remaining planes until 1950.

Production

W 34 hi: Junkers (105 aircraft built), Henschel (430), ATG (94), Dornier Wismar (58), HFB (69) and Weser (221).
  • W 34 hau: Henschel (329), Arado Brandenburg (205), ATG (105), Dornier Wismar (93), HFB (192) and MIAG Braunschweig (73).

    • Variants

    W 34 a: 331 kW Gnome et Rhône 9A Jupiter engine, speed: 190 km/h, wingspan: 17.75 m and length 11.10 m
  • W 34 be: 375 kW Gnome et Rhône 9A Jupiter engine, speed: 230 km/h, wingspan: 17.75 m, length: 10.70 m
  • W 34 be/b3e: 441 kW Bristol Jupiter VII engine and was used for attempts to try breaking the world altitude record
  • W 34 ci: 405 kW Pratt & Whitney Hornet engine, speed: 245 km/h, equipped with cabin windows
  • W 34 di: like the W 34 ci, the engine was license produced by BMW.
  • W 34 f: 331 kW Gnome et Rhône 9A Jupiter engine, speed 190 km/h, wingspan 18.48 m, length 11.10 m, enclosed cockpit, ailerons were lengthened; the export version had a cargo door
  • W 34 f: experimental aircraft with floats
  • W 34 fa: passenger aircraft for export
  • W 34 fä: export aircraft
  • W 34 fo: export aircraft with a Pratt & Whitney R-1340 engine
  • W 34 fy: Armstrong Siddeley Panther engine
  • W 34 fao: 397 kW Siemens-Halske Sh 20 engine, only one was produced for tests with autopilot
  • W 34 fei: 441 kW Siemens-Halske Sh 20U engine, only one was produced as a maritime test aircraft
  • W 34 fg: Armstrong Siddeley Jaguar Major engine
  • W 34 fue: Pratt & Whitney Hornet engine, later rebuilt as a maritime aircraft.
  • W 34 fi: Pratt & Whitney or BMW built 405 kW Hornet; wingspan: 18.48 m, length 10.27 m, speed 260 km/h. The aircraft had an enclosed cockpit and low-pressure tires.
  • W 34 gi: 405 kW BMW Hornet, only one machine was produced in 1933 for tests
  • W 34 hi: 485 kW BMW 132A/E, the aircraft could take six passengers and was equipped with improved radio- and direction finders. This version was mostly used by Luftwaffe to train pilots and radio operators.
  • W 34 hau: similar to hi, but it had a 526 kW Bramo 322 H engine. The type was mostly used by Luftwaffe to train its pilots and radio operators.
  • K 43: Military W34, available in many of the above-mentioned versions.

    • Operators

    Canada
    Germany
    Slovakia
    Spanish State
    South Africa

    Accidents and incidents

    Bibliography

    Further reading

    External links

    Notes and References

    1. von Rauch . Georg . A South American Air War...The Leticia Conflict . Air Enthusiast . December 1984 . 26 . 1–8 . 0143-5450.
    2. Web site: Historia y Arqueologia Marítima : AVIONES DE ENTRENAMIENTO DE LA AVIACION NAVAL " JUNKERS W-34 " . histarmar . 26 April 2019 . Buenos Aires . es.
    3. Grant . Robert S. . Metal Marvels: Junkers W33s and W34s in the Canadian Bush . Air Enthusiast . March 2004 . 110 . 70–75 . Stamford Lincs, UK . 0143-5450.
    4. Book: Illustrated History of Romanian Aeronautics. Dan Antoniu. 2014. 230. 978-973-0-17209-6.
    5. Book: Pereira, Aldo . Breve história da aviação comercial brasileira . Rio de Janeiro . Europa Empresa Gráfica e Editora . pt . 1987 . 131.

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