Dewoitine D.21

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D.21

Argentine Dewoitine D.21
Role	FighterType of aircraft
Manufacturer	Dewoitine
First flight	1925

The Dewoitine D.21 was 1920s French open-cockpit, fixed-undercarriage, parasol winged 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.

Operational history

Argentina bought seven French-built D.21s, and built another 38 under license by FMA from 1929 to 1932. The type remained in service until 1941. Turkey bought a number, and Czechoslovakia built 25 for their air force.

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 2 × 7.7 mm (0.303 in) Vickers machine-guns

Operators

Argentina

Czechoslovakia

Gendarmerie (Czechoslovakia)

Paraguay

Paraguayan Air Force

Switzerland
Turkey

Turkish Air Force

Specifications (D.21 C.1)

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

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 m (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/m (13.0 lb/sq ft)
Power/mass: 0.2694 kW/kg (0.1639 hp/lb)

Armament

Guns: 2 × fuselage-mounted synchronised 7.7 mm (0.303 in) Vickers machine-guns and 2 × wing-mounted 7.5 mm (0.295 in) Darne machine-guns in the centre section (optional)

References

Citations

Magnusson 2007, p. 156
^ Donald, David, ed. (1997). The encyclopedia of world aircraft. Leicester: Blitz Editions. ISBN 1-85605-375-X.
Grey, C.G., ed. (1928). Jane's all the World's Aircraft 1928. London: Sampson Low, Marston & company, ltd. pp. 18d – 19d.

Bibliography

Bellomo, Sergio (May 2000). "Les Dewoitine D.21 et D.25 de l'Armée argentine" [The Dewoitine D.21s and D.25s of the Argentine Army]. Avions: Toute l'Aéronautique et son histoire (in French) (86): 50–52. ISSN 1243-8650.
Cortet, Pierre (July 1997). "Les premièrs chasseurs de Emile Dewoitine (5ème partie)". Avions: Toute l'Aéronautique et son histoire (in French) (52): 30–37. ISSN 1243-8650.
Magnusson, Michael (Winter 2007). "FMA : from 1945: The Story of Fabrica Militar de Aviones, Argentina: Part 1". Air-Britain Archive. pp. 155–158. ISSN 0262-4923.
Nunez Padin, Jorge Felix (May 1995). "Les Dewoitine D.21 de la Marine argentine" [The Dewoitine D.21 in the Argentine Navy]. Avions: Toute l'Aéronautique et son histoire (in French) (26): 36–42. ISSN 1243-8650.
Taylor, John W. R.; Alexander, Jean (1969). Combat aircraft of the world. London: Ebury P.; Michael Joseph. ISBN 0-71810-564-8.

External links

Dewoitine D.21, AMILARG - Aviacion Militar Argentina (Spanish) Accessed 2023-03-31
CAZA BOMBARDEROS DE LA AVIACION NAVAL: DEWOITINE D-21 - HISTARMAR (Spanish) Accessed 2023-04-01

Dewoitine aircraft

Transports	D.3 D.4 D.11 D.14 D.20 D.28 D.29 D.30 D.31 D.332 D.333 D.334 D.335 D.336 D.338 D.339 D.342 D.35 D.430-432 D.44 D.45 HD.460 D.490 D.590 D.600 D.610 D.620 D.710
Bombers & attack	D.2 D.4 D.6 D.16 D.331 D.337 D.590 D.600 D.620 D.660 D.420 D.670 D.680 D.710 D.720 D.770 D.800 D.810 D.820
Fighters	D.1 D.8 D.9 D.12 D.13 D.15 D.19 D.21 D.25 D.27 D.32 D.37, 370-376 D.38 D.470 D.490 D.500 D.501 D.502 D.503 D.504 D.505-509 D.510 D.511 D.512 D.513 D.514 D.515 D.520-525 D.53, 530-537 D.540 D.550 D.560 D.570 D.600 D.630 D.640 D.650 D.700 HD.780 D.790 D.860
Reconnaissance	D.5 HD.730 D.750
Sportsplanes	D.7 D.10 D.17 D.34 D.35 D.36
Record breakers & racers	D.18 D.274 D.275 D.33 D.410-412 D.550 D.580 D.590 D.900
Trainers	D.26 D.40 D.480-483 HD.740 D.760
Gliders	P-1 P-2 P-3 P-4
Unknown projects	D.22 D.23 D.24 D.39

v t e Fábrica Militar de Aviones (FMA)/Fábrica Argentina de Aviones (FAdeA) aircraft
Dirección General de Aerotécnica (Ae) 1927–1936	C.1 C.2 C.3 C.4 MB.1 MB.2 ME.1 MO.1 MOe.1 MOe.2 MS.1 T.1
Fábrica Militar de Aviones (FMA) 1938–1943	FMA 20 FMA 21
Instituto Aerotécnico (I.Ae) 1943–1952	I.Ae 22 I.Ae 23 I.Ae 24 I.Ae 25 I.Ae 27 I.Ae 28 I.Ae 30 I.Ae 31 I.Ae 32 I.Ae 33 I.Ae 34 I.Ae 35 I.Ae 36 I.Ae 37 I.Ae 38 I.Ae 39 I.Ae 40
Instituto Aerotécnico (IA) 1952-present	IA 41 IA 43 IA 44 IA 45 IA 46 IA 47 I.Ae. 48 IA 49 IA 50 IA 51 IA 52 IA 53 IA 54 IA 55 IA 56 IA 58 IA 59 IA 60 IA 62 IA-63 IA 66 IA 67 IA 68 IA 70 IA 73 IA-100

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