Arado SD.I

SD I
Role Fighter
Manufacturer Arado Flugzeugwerke
Designer Walter Rethel
First flight 27 October 1927
Number built 2

The Arado SD I was a fighter biplane developed in Germany in the 1920s. It was intended to equip the clandestine air force that Germany was assembling at Lipetsk. The layout owed something to designer Walter Rethel's time with Fokker. Of conventional configuration, the SD I featured a welded steel tube frame, metal-covered ahead of the cockpit, and fabric-covered aft. The wooden sesquiplane wings were braced with N-type interplane struts without any wires - typical Fokker.

In flight, performance and handling proved disappointing at anything but very low speeds. Questions also arose as to the structural soundness of the design, and development was terminated very soon thereafter.

Specifications

General characteristics

  • Crew: one, pilot
  • Length: 6.75 m (22 ft 2 in)
  • Wingspan: 8.40 m (27 ft 7 in)
  • Height: 2.90 m (9 ft 6 in)
  • Wing area: 16.8 m2 (181 ft2)
  • Empty weight: 850 kg (1,870 lb)
  • Gross weight: 1,230 kg (2,710 lb)
  • Powerplant: 1 × Bristol Jupiter, 317 kW (425 hp)

Performance

  • Maximum speed: 275 km/h (171 mph)
  • Service ceiling: 8,000 m (26,200 ft)
  • Rate of climb: 10.4 m/s (2,050 ft/min)
Armament
  • 2 × fixed, forward-firing 7.92 mm (.312 in) machine guns
  • References

    • World Aircraft Information Files. Brightstar Publishing, London. File 889 Sheet 73
    • German Aircraft between 1919 - 1945
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