Английская Википедия:Blériot-SPAD S.51

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The Bleriot-SPAD S.51 was a French fighter aircraft developed in 1924 in response to a French Air Force requirement for an aircraft to replace their obsolete Nieuport-Delage NiD.29s.[1]

Design and development

Designed by André Herbemont, the S.51 shared its basic configuration with his other aircraft of the period, being a biplane with a swept upper wing and unswept lower wing, joined by I-shaped interplane struts. Unlike earlier designs, the S.51 used metal construction for the wings.

The prototype S.51 was rejected by the French authorities, but revised versions found export customers in the Polish Air Force, which bought 50 of them, and the Turkish and Soviet air forces which each bought a single example. Another development, the S.51/3, was experimentally fitted with the first controllable-pitch propeller developed in France, also designed by Herbemont.[2]

Variants

S.51
Prototype for French evaluation, 1x Шаблон:Convert Gnome et Rhône 9Aa radial engine.[3]
S.51/2
Refined version exported to Poland, 1x Шаблон:Convert Gnome et Rhône 9Ab radial engine.[4]
S.51/3
Prototype with variable-pitch propeller.
S.51/4
Export version for Turkey and the USSR with two extra machine guns in the wings.

Operators

Шаблон:POL
Шаблон:Flagu
Шаблон:Flagu
Файл:Blériot-SPAD S 51.jpg
Spanish Blériot-SPAD S 51
Шаблон:TUR

Specifications (S.51/2)

Файл:Bleriot-SPAD S.51 3-view Aero Digest August,1930.png
Bleriot-SPAD S.51 3-view Aero Digest August,1930

Шаблон:Aircraft specs

See also

Шаблон:Aircontent

References

Шаблон:Reflist

Bibliography

External links

Шаблон:Commons category-inline

Шаблон:SPAD aircraft Шаблон:Authority control

  1. Шаблон:Cite book
  2. Шаблон:Cite book
  3. Шаблон:Cite web
  4. Ошибка цитирования Неверный тег <ref>; для сносок afs51-2 не указан текст
  5. Шаблон:Cite web