Junkers D.I

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J 7 and J 9 (D.I)
Type Fighter
National origin Germany
Manufacturer Junkers
Maiden flight 17 September 1917
Primary user Imperial German Navy
Number built 41

The Junkers D.I (factory designation J 9) was a fighter aircraft produced in Germany late in World War I, significant for becoming the first all-metal fighter to enter service. The prototype, a private venture by Junkers designated the J 7, first flew on 17 September 1917.[1] Demonstrated to the Idflieg early the following year, it proved impressive enough to result in an order for three additional aircraft for trials. However, the changes made by Junkers were significant enough for the firm to redesignate the next example the J 9, which was supplied to the Idflieg instead of the three J 7s ordered.

During tests, the J 9 was felt to lack the maneuverability necessary for a front-line fighter, but was judged fit for a naval fighter, and a batch of 12 was ordered. These were to have been supplied to a naval unit by September 1918, but instead equipped the same unit redeployed to the Eastern Front after the Armistice.

[edit] Specifications

General characteristics

  • Crew: One pilot
  • Length: 9.00 m (29 ft 6 in)
  • Wingspan: 7.30 m (23 ft 11 in)
  • Empty weight: 654 kg (1,438 lb)
  • Gross weight: 834 kg (1,834 lb)
  • Powerplant: 1 × BMW IIIa, 138 kW (185 hp)

Performance

  • Maximum speed: 185 km/h (115 mph)
  • Service ceiling: 6,000 m (19,700 ft)

Armament

  • 2 × fixed, forward-firing machine guns.


[edit] References

  1. ^ Grosz and Terry 1984, p.67.
  • Grosz, Peter; Terry, Gerard (1984). "The Way to the World's First All-Metal Fighter". Air Enthusiast 25 (August - November 1984): Pages 60-76. ISSN 0143-5450. 
  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions, 536. 
  • World Aircraft Information Files. London: Bright Star Publishing, File 898 Sheet 1. 
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Aircraft produced by Junkers

Company designations:
J 1 • J 2 • J 3 • J 4 • J 5 • J 6 • J 7 • J 8 • J 9 • J 10 • J 11 • F 13 • J 15 • K 16 • T 19 • A 20 • H 21/T 21 • T 22 • G 23/T 23 • F 24/G 24 • A 25 • T 26 • T 29 • K 30 • G 31 • A 32 • W 33 • W 34 • A 35 • S 36 • G 38 • K 47 • A 48 • A 50 • K 51 • K 53 •

Idflieg designations:
CL.I • D.I • E.I • J.I

RLM designations:
Ju 46 • Ju 49 • Ju 52 • Ju 60 • Ju 85 • Ju 86 • Ju 87 • Ju 88 • Ju 89 • Ju 90 • Ju 160 • Ju 187 • Ju 188 • Ju 248 • Ju 252 • Ju 268 • Ju 287 • Ju 288 • Ju 290 • Ju 322 • Ju 352 • Ju 388 • Ju 390 • Ju 488 • Ju 635 •
v • d • e
Idflieg D, DD- and DJ-class aircraft designations
D- and DD- class

AEG: D.I  • D.II  • D.III

Albatros: D.I  • D.II  • D.III  • D.IV  • D.V  • D.VI  • D.VII  • D.VIII  • D.IX  • D.X  • D.XI  • D.XII

Aviatik: (D.I not assigned) • D.II  • D.III  • D.IV  • D.V  • D.VI  • D.VII

Daimler: D.I  • D.II

DFW: D.I  • D.II

Euler: D.I  • D.II

Fokker: D.I  • D.II  • D.III  • D.IV  • D.V  • D.VI  • D.VII  • D.VIII

Friedrichshafen: D.I  • DD.II

Halberstadt: D.I  • D.II  • D.III  • D.IV  • D.V

Junkers: D.I

Kondor: D.I  • D.II  • D.III  • D.IV  • D.V  • D.VI

LFG/Roland: D.I  • D.II  • D.III  • D.IV  • D.V  • D.VI  • D.VII  • D.VIII  • D.IX  • D.X  • D.XI  • D.XII  • D.XIII  • D.XIV  • D.XV  • D.XVI  • D.XVII

LVG: D.I  • D.II  • D.III  • D.IV  • D.V  • D.VI

MFW: D.I

Naglo: D.I  • D.II

Pfalz: D.I  • D.II  • D.III  • D.IV  • D.V  • D.VI  • D.VII  • D.VIII  • D.IX  • D.X  • D.XI  • D.XII

Rumpler: D.I

Schütte-Lanz: D.I  • D.II  • D.III  • D.IV  • D.V  • D.VI  • D.VII

Siemens-Schuckert: D.I  • D.II  • D.III  • D.IV • D.V  • D.VI

Zeppelin-Lindau: D.I
DJ- class
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