Harman Patil (Editor)

Häfeli DH 2

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Wingspan  12 m
Manufacturer  K + W
First flight  1916
Häfeli DH-2

The Häfeli DH-2 was a 1910s Swiss two-seat reconnaissance aircraft, built by aircraft department of the Eidgenoessische Konstruktionswerkstaette (K + W) at Thun, Switzerland.


Development and design

Following on from his earlier design (the DH-1), August Häfeli designed a more conventional biplane for reconnaissance duties designated the Häfeli DH-2. It was a two-bay of wood and fabric construction, powered by a 100 hp (75 kW) Mercedes D.I engine, the next five were fitted with an Argus As II water-cooled inline engine. The engine required a large flat radiator which was mounted beside the front cockpit. Performance was disappointing and the aircraft did not go into production. An improved version, the Hafeli DH-3 was developed.

Operational history

The six DH-2s built during 1916 were used to train pilots and observers until they were withdrawn from service in 1922.


  • Swiss Air Force
  • Specifications (DH-2)

    Data from The Illustrated Encyclopedia of Aircraft (Part Work 1982–1985)

    General characteristics

  • Crew: 2
  • Powerplant: 1 × Argus As II , 89 kW (120 hp)
  • Performance


    Häfeli DH-2 Wikipedia

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