Dewoitine D.7

The Dewoitine D.7 was a French sport plane built in the mid 1920s.

Role ultralight sport plane
Manufacturer Dewoitine
Designer Emile Dewoitine
First flight c.1924
Number built ~5-10


The D.7 was a conventionally laid-out monoplane, with a thick cantilever shoulder wing. Its single seat, open cockpit, provided with a small windscreen, was over the wing. It had conventional, fixed, tailskid landing gear.

The D.7 could be powered by any small engine; the Salmson AD.3 radial engine, the Clerget 2K flat twin, Vaslin flat-four or Vaslin water-cooled six cylinder inline engines were fitted.



Specifications (AD.3 engine)

General characteristics

  • Crew: 1
  • Length: 5.60 m (18 ft 4.5 in)
  • Wingspan: 12.60 m (41 ft 4 in)
  • Wing area: 15.00 m2 (161.46 ft2)
  • Gross weight: 250 kg (551 lb)
  • Powerplant: 1 × Salmson 3Ad three-cylinder radial engine, 9 kW (12 hp)


  • Maximum speed: 90 km/h (56 mph)
  • Endurance: 5 hours
  • Service ceiling: 3,000 m (9,840 ft)



  • Donald, David, ed. (1997). The Encyclopedia of World Aircraft. Prospero Books. p. 333. ISBN 1-85605-375-X. Missing or empty |title= (help)
  • Aviafrance website/Dewoitine

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