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The Siemens-Schuckert D.III was a German single-seat fighter built by Siemens-Schuckert Werke. The D.III was a development of the earlier Siemens-Schuckert D.IIc prototype.[1] The D.III was an (nearly) equal-span biplane powered by a 160 hp (119 kW) Siemens-Halske Sh.III bi-rotary engine. Idflieg placed an order for 20 aircraft in December 1917, followed by a second order of 30 aircraft in February 1918.[2]

Siemens-Schuckert D.III
Role Fighter
Manufacturer Siemens-Schuckert Werke
First flight October 1917
Introduction April 1918
Primary user Luftstreitkräfte
Produced 80

Operational history


Approximately 41 D.IIIs were delivered to frontline units between April and May 1918.[2] Most aircraft were supplied to Jagdgeschwader II,[3] whose pilots were enthusiastic about the new aircraft's handling and rate of climb. After only seven to 10 hours of service, however, the Sh.III engines started showing serious problems with overheating and piston seizure.[4] The problem was later traced to the Voltol mineral oil that was used to replace the now-scarce castor oil.[3] Furthermore, the close-fitting engine cowling provided inadequate cooling to the engine.[5]

In late May 1918, Jagdgeschwader II replaced its D.IIIs with the older Fokker Dr.I.[6] The remaining D.III aircraft were returned to the Siemens-Schuckert factory, where they were retrofitted with new Sh.IIIa engines, an enlarged rudder, and cutaway cowlings that provided improved airflow.[1] A further 30 new production D.IIIs incorporated these modifications. Total production amounted to 80 aircraft.[1]

In July 1918, the D.III returned to active service as an interceptor with home defense squadrons.[4] By this time, the D.III had been replaced in production by the Siemens-Schuckert D.IV.


Operators


 German Empire
  Switzerland

Specifications


Siemens-Schuckert D.III Baubeschreibung drawing, as submitted to IdFlieg
Siemens-Schuckert D.III Baubeschreibung drawing, as submitted to IdFlieg

Data from German Aircraft of the First World War,[7] The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985),[8] The Complete Book of Fighters[9]

General characteristics

Performance

Armament


References



Notes


  1. Green and Swanborough 1994, p. 530.
  2. Gray and Thetford 1962, p. 213.
  3. VanWyngarden 2005, p. 43.
  4. Gray and Thetford 1962, p. 214.
  5. Gray and Thetford 1962, p. 215.
  6. VanWyngarden 2005, p. 44.
  7. Grey, Peter; Thetford, Owen (1970). German Aircraft of the First World War (2nd revised ed.). London: Putnam. pp. 213–217.
  8. The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing.
  9. Green, W; Swanborough, G (1994). The Complete Book of Fighters. Smithmark. p. 530. ISBN 0-8317-3939-8.

Bibliography



На других языках


[de] Siemens-Schuckert D.III

Die Siemens-Schuckert D.III war ein gegen Ende des Ersten Weltkrieges von den Siemens-Schuckertwerken konstruiertes und auf deutscher Seite bei den Fliegertruppen eingesetztes einsitziges Doppeldecker-Jagdflugzeug.
- [en] Siemens-Schuckert D.III

[fr] Siemens-Schuckert D.III

Le Siemens-Schuckert D.III est un avion de chasse allemand de la Première Guerre mondiale. Il était intégralement fabriqué par des filiales du groupe Siemens fondé en 1847 : sa cellule était fabriquée par Siemens-Schuckert Werke (SSW) et son moteur par Siemens & Halske (Sh).

[it] Siemens-Schuckert D.III

Il Siemens-Schuckert D.III fu un caccia biplano monoposto sviluppato dall'azienda tedesco imperiale Siemens-Schuckertwerke negli anni dieci del XX secolo.



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