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Dewoitine D.21

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D.21
Dewoitine D.21 from Argentina.
Role Fighter
Manufacturer Dewoitine
First flight 1925

The Dewoitine D.21 was 1920s French open-cockpit, fixed-undercarriage monoplane fighter aircraft.

Design and development

The prototype D.21 was a development of the D.12. The aircraft was license-built in Switzerland (by EKW), Czechoslovakia (by Skoda and known as the Skoda-Dewoitine D.1) and Argentina (by FMA). One Turkish D.21 was fitted with a modified wing and named Orhanelli.

Orhanelli; a Dewoitine D.21 fitted with a modified wing for record-breaking flights.

Operational history

Argentina bought seven D.21s, and built another 58 under their own licence. Turkey bought a number, and Czechoslovakia built 25 for their air force.[1]

Variants

D.21 C.1
French Production version, license-built in Argentina and Turkey.
Skoda D.1
Licence manufacture of the Dewoitine D.21 in Czechoslovakia by Skoda;(26 built - included in D.9 total). Škoda L was a licence-built [[Hispanio Suiza HS-50. Armament only 2x 7.7 mm (0.303 in) Vickers machine-guns

Operators

 Argentina
 Czechoslovakia
 Paraguay
  Switzerland
 Turkey

Specifications (D.21 C.1)

Dewoitine D.21 3-view drawing from L'Air May 15,1928

Data from Jane's all the World's Aircraft 1928[2], The encyclopedia of world aircraft[1]

General characteristics

  • Crew: 1
  • Length: 7.925 m (26 ft 0 in)
  • Wingspan: 12.8 m (42 ft 0 in)
  • Height: 3.32 m (10 ft 11 in)
  • Wing area: 25 m2 (270 sq ft)
  • Empty weight: 1,090 kg (2,403 lb)
  • Gross weight: 1,590 kg (3,505 lb)
  • Fuel capacity: 250 kg (550 lb) (ca. 175 L (46 US gal; 38 imp gal))
  • Powerplant: 1 × Hispano-Suiza 12Gb W-12 water-cooled piston engine, 370 kW (500 hp)
  • Propellers: 2-bladed fixed pitch propeller

Performance

  • Maximum speed: 267 km/h (166 mph, 144 kn) at sea level
262 km/h (163 mph; 141 kn) at 2,000 m (6,600 ft)
258 km/h (160 mph; 139 kn) at 3,000 m (9,800 ft)
254 km/h (158 mph; 137 kn) at 4,000 m (13,000 ft)
250 km/h (160 mph; 130 kn) at 5,000 m (16,000 ft)
  • Range: 400 km (250 mi, 220 nmi)
  • Service ceiling: 8,991 m (29,498 ft)
  • Rate of climb: 10 m/s (2,000 ft/min)
  • Time to altitude: 4,000 m (13,000 ft) in 8 minutes 4 seconds
5,000 m (16,000 ft) in 11 minutes 17 seconds
  • Wing loading: 63.6 kg/m2 (13.0 lb/sq ft)
  • Power/mass: 0.2694 kW/kg (0.1639 hp/lb)

Armament

See also

Related development

Related lists

References

Wikimedia Commons has media related to Dewoitine D.21.
  1. ^ a b Donald, David, ed. (1997). The encyclopedia of world aircraft. Leicester: Blitz Editions. ISBN 1-85605-375-X.
  2. ^ Grey, C.G., ed. (1928). Jane's all the World's Aircraft 1928. London: Sampson Low, Marston & company, ltd. pp. 18d–19d.

Further reading

  • Taylor, John W. R.; Alexander, Jean (1969). Combat aircraft of the world. London: Ebury P.; Michael Joseph. ISBN 0-71810-564-8.
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