Dornier Do 635

The Dornier Do 635 was a World War II long-range reconnaissance aircraft proposed by Dornier Flugzeugwerke, as two Dornier Do 335 fuselages joined by a common centre wing section.

Dornier Do 635
Role Long-range reconnaissance
Manufacturer Dornier Flugzeugwerke
Designer Heinrich Hertel
Introduction 1944
Status Cancelled
Primary user Luftwaffe
Number built 0
Developed from Dornier Do 335

Design and developments

In 1944, Junkers helped Dornier with work on the Do 335 Zwilling or Dornier Do 635. A meeting was arranged between Junkers and Heinkel engineers, and after the meeting, they began work on the project, named 1075 01-21. The designer, Professor Heinrich Hertel, planned a test flight in late 1945. At the end of 1944, the Germans reviewed aircraft designs with the Japanese military. Among other projects, the Do 635 impressed the Japanese military with its capabilities and design.[1]

This design consisted of two Do 335 fuselages, joined by a common centre wing section, with two Rb 50 cameras in the port fuselage for aerial photography. Armament was confined to provision for five 60 kg (130 lb) photo-flash bombs. The mainwheels were common with Ju 352 wheels. It was also intended that two monopropellant Walter Starthilfe RATOG units would be fitted. In early 1945, a wind-tunnel model was tested, and a cockpit mockup was constructed, but the project was cancelled in February 1945, due to the desperate war situation.[1]

Specifications (Do 635 V-1)

(Note:all data estimated)

Data from Die Deutsche Luftrüstung 1933-1945[2]

General characteristics

  • Crew: two
  • Length: 13.85 m (45 ft 5 in)
  • Wingspan: 27.43 m (90 ft 0 in)
  • Height: 5 m (16 ft 5 in)
  • Gross weight: 32,900 kg (72,532 lb)
  • Powerplant: 4 × Daimler-Benz DB 603E inverted V-12 liquid-cooled piston engines, 1,325 kW (1,777 hp) each

Performance

  • Maximum speed: 720 km/h (450 mph, 390 kn)
  • Range: 7,600 km (4,700 mi, 4,100 nmi)
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See also

Related development

Aircraft of comparable role, configuration and era

  • North American P-82
  • Messerschmitt Bf 109Z

Related lists

References
  1. "Do 635". luft46.com. Retrieved 3 June 2011.
  2. Nowarra, Heinz J. (1993). Die Deutsche Luftrüstung 1933-1945 : Band 1 Flugzeugtypen AEG - Dornier. 1. Koblenz: Bernard & Graefe Verlag. p. 41. ISBN 3-7637-5465-2.
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