Dewoitine D.21

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{{Infobox aircraft begin

|name=D.21

|image=Dewotine D.21 Argention.jpg

|caption=Argentine Dewoitine D.21

}}{{Infobox aircraft type

|type=Fighter

|manufacturer=Dewoitine

|designer=

|first flight=1925

|introduced=

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

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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.

File:Orhaneli aircraft.jpg

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.Magnusson 2007, p. 156 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 × {{cvt|7.7|mm|3}} Vickers machine-guns

Operators

Specifications (D.21 C.1)

File:Dewoitine_D.21_3-view_L'Air_May_15,1928.png

{{Aircraft specs

||ref=Jane's all the World's Aircraft 1928,{{cite book |title=Jane's all the World's Aircraft 1928 |editor1-last=Grey |editor1-first=C.G. |year=1928 |publisher=Sampson Low, Marston & company, ltd |location=London |pages=18d-19d}} The encyclopedia of world aircraft{{cite book |editor-last1=Donald |editor-first1=David |title=The encyclopedia of world aircraft |date=1997 |publisher=Blitz Editions |location=Leicester |isbn=1-85605-375-X}}

|prime units?=met

|crew=1

|length m=7.925

|span m=12.8

|height m=3.32

|wing area sqm=25

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|empty weight kg=1090

|gross weight kg=1590

|max takeoff weight kg=

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|fuel capacity={{cvt|250|kg}} (ca. {{cvt|175|L|USgal impgal}})

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|eng1 number=1

|eng1 name=Hispano-Suiza 12Gb

|eng1 type=W-12 water-cooled piston engine

|eng1 hp=500

|prop blade number=2

|prop name=fixed pitch propeller

|prop dia m=

|prop dia ft=

|prop dia in=

|prop dia note=

|max speed kmh=267

|max speed note=at sea level

::::::{{cvt|262|km/h|mph kn}} at {{cvt|2000|m}}

::::::{{cvt|258|km/h|mph kn}} at {{cvt|3000|m}}

::::::{{cvt|254|km/h|mph kn}} at {{cvt|4000|m}}

::::::{{cvt|250|km/h|mph kn}} at {{cvt|5000|m}}

|cruise speed kmh=

|cruise speed mph=

|cruise speed kts=

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|stall speed kmh=

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|never exceed speed kmh=

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|range km=400

|combat range km=

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|ferry range km=

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|endurance=

|ceiling m=8991

|g limits=

|roll rate=

|climb rate ms=10

|time to altitude={{cvt|4000|m}} in 8 minutes 4 seconds

::::::{{cvt|5000|m}} in 11 minutes 17 seconds

|wing loading kg/m2=63.6

|fuel consumption kg/km=

|fuel consumption lb/mi=

|power/mass={{cvt|0.1639|hp/lb|kW/kg|order=flip}}

|more performance=

|guns=2 × fuselage-mounted synchronised {{cvt|7.7|mm|3}} Vickers machine-guns and 2 × wing-mounted {{cvt|7.5|mm|3}} Darne machine-guns in the centre section (optional)

}}

See also

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References

{{commons category|Dewoitine D.21}}

= Citations =

{{Reflist}}

= Bibliography =

  • {{cite journal |last1=Bellomo|first1=Sergio|title=Les Dewoitine D.21 et D.25 de l'Armée argentine|journal=Avions: Toute l'Aéronautique et son histoire |date=May 2000 |issue=86 |pages=50–52 |trans-title=The Dewoitine D.21s and D.25s of the Argentine Army|language=fr |issn=1243-8650}}
  • {{cite journal |last1=Cortet |first1=Pierre|title=Les premièrs chasseurs de Emile Dewoitine (5ème partie) |journal=Avions: Toute l'Aéronautique et son histoire |date=July 1997 |issue=52 |pages=30–37 |trans-title= |language=fr |issn=1243-8650}}
  • {{cite magazine |last=Magnusson |first=Michael |title=FMA : from 1945: The Story of Fabrica Militar de Aviones, Argentina: Part 1 |magazine=Air-Britain Archive |date=Winter 2007 |pages=155–158 |issn=0262-4923}}
  • {{cite journal |last1=Nunez Padin |first1=Jorge Felix |title=Les Dewoitine D.21 de la Marine argentine |journal=Avions: Toute l'Aéronautique et son histoire |date=May 1995 |issue=26 |pages=36–42 |trans-title=The Dewoitine D.21 in the Argentine Navy |language=fr |issn=1243-8650}}
  • {{cite book|last1=Taylor |first1=John W. R. |last2=Alexander|first2=Jean|title=Combat aircraft of the world|date=1969|publisher=Ebury P.; Michael Joseph|location=London|isbn=0-71810-564-8}}

Further reading

  • Sebastian Sequeira, Carlos Cal y Cecilia Calatayud. Aviación Naval Argentina. SS&CC ediciones, Buenos Aires, 1984. {{ISBN|950-9064-02-5}} (Spanish)