Rahul Sharma (Editor)

Walraven 2

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Top speed
  
250 km/h

Length
  
7.8 m

Wingspan
  
11 m

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Richards walraven 2


The Walraven 2 was an Indonesian twin-engine cabin monoplane, designed by Dutchman L.W. Walraven and built by personnel of the Netherlands East Indies Army Air Force during the 1930s.

Contents

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Design and development

The Walraven 2 was a two-seat low-wing cabin monoplane powered by two Pobjoy Niagara radial engines. Utilising a Göttingen 681 airfoil, the aircraft was designed by Laurens Walraven, who was Chief Engineer of the Royal Netherlands East Indies Army Air Force, to the specification for a Chinese millionaire, Khouw Khe Hein.

Operational history

The aircraft first flew on 4 January 1935. Finding the aircraft to be satisfactory, Khouw intended to start an aircraft company in the Netherlands East Indies, to build aircraft designed by Walraven. To promote this venture, the Walraven 2 was flown from Indonesia to the Netherlands and back at the end of 1935.

Despite this promising start to the venture, Khouw was killed in an air crash in February 1938, and the factory plan came to naught. The aircraft was placed in storage shortly thereafter, and was destroyed on 19 February 1942 in a Japanese air attack.

Specifications

Data from 1000aircraftphotos.com

General characteristics

  • Crew: 2
  • Length: 7.8 m (25 ft 7 in)
  • Wingspan: 11 m (36 ft 1 in)
  • Height: 2.15 m (7 ft 1 in)
  • Wing area: 17.7 m2 (191 sq ft)
  • Airfoil: Göttingen 681
  • Empty weight: 626 kg (1,380 lb)
  • Gross weight: 1,100 kg (2,425 lb)
  • Powerplant: 2 × Pobjoy Niagara III seven-cylinder radial piston engine 7-cyl. air-cooled radial piston engine, 66 kW (88 hp) each
  • Performance

  • Maximum speed: 250 km/h (155 mph; 135 kn)
  • Cruise speed: 200 km/h (124 mph; 108 kn)
  • Range: 1,800 km (1,118 mi; 972 nmi)
  • Service ceiling: 6,000 m (20,000 ft)
  • References

    Walraven 2 Wikipedia