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MILITARY AIRCRAFT Air Forces Annual National Aircraft Index Military Aircraft Types
Dewoitine D.520
 
Dewoitine D.520
Country: France
Type: Fighter
Manufacturer: Dewoitine
Service: 1940 - 1953
First Flight: 2 October 1938
Production: 900

The Dewoitine D.520 was a French fighter aircraft that entered service in early 1940, shortly after the opening of World War II. Unlike the Morane-Saulnier M.S.406, which was at that time the most numerous fighter in the French Air Force, the Dewoitine D.520 came close to being a match for the latest German types, such as the Messerschmitt Bf 109. Because of a delayed production cycle, only a small number were available to engage the Luftwaffe during the Battle of France.


TECHNICAL SPECIFICATIONS ( Dewoitine D.520C.1)

General characteristics

  • Crew: 1
  • Length: 8.6 m (28 ft 3 in)
  • Wingspan: 10.2 m (33 ft 6 in)
  • Height: 2.57 m (8 ft 5 in)
  • Wing area: 15.97 m (172 ft)
  • Empty weight: 2,036 kg (4,489 lb)
  • Loaded weight: 2,676 kg (5,900 lb)
  • Max takeoff weight: 2,780 kg (6,129 lb)
  • Powerplant: 1 x Hispano-Suiza 12Y-45 liquid-cooled V12 engine, 690 kW (930 hp)

Performance

  • Maximum speed: 535 km/h (289 knots, 332 mph)
  • Range: 1,250 km (675 nm, 777 mi)
  • Service ceiling 10,000 m (33,000 ft)
  • Rate of climb: 14.3 m/s (2,820 ft/min)
  • Wing loading: 167 kg/m (34.2 lb/ft)
  • Power/mass: 257 W/kg (0.156 hp/lb)

Armament

  • Guns:
    • 1 x 20 mm (0.787 in) Hispano-Suiza HS.404 cannon
    • 4 x 7.5 mm (0.295 in) MAC 1934 machine guns