Английская Википедия:Bernard 70
The Bernard 70 was a 1920s design for a French single-seat monoplane fighter aircraft by the Société des Avions Bernard. It was not built but was developed into a racing monoplane designated the Bernard S-72, (later Bernard S-73). It was further developed into single-seat fighters, the Bernard 74-01 and Bernard 74-02, although only two of the fighters were built.
Design and development
The Bernard S-72 was a wooden stressed skin constructed cantilever low-wing monoplane powered by a Gnome-Rhône 5Bc[1] radial engine and had a fixed tailskid landing gear.[2] Flown by Paillard, the Bernard S-72 participated in the 1930 Coupe Michelin race. On 29 June, he took off from Le Bourget, landed successively in Reims, Nancy, Strasbourg, Dijon and Clermont-Ferrand, but unfortunately had to retire near Lyon as a result of engine failure.[1] The S-72 was re-engined with a Gnome-Rhône 7Kb[3] and re-designated the Bernard S-73. The S-73 was then developed into the Bernard 74 single-seat fighter and retained the Titan-Major engine.[2] Two prototypes were built with the first flying in February 1931, powered by a 280 hp (kw) Gnome-Rhône 7Kbs radial engine,[4] the second was fitted with a Шаблон:Convert Gnome-Rhône 7Kd engine and first flew in October 1931.[1] The first prototype 74 was re-engined with a Gnome-Rhône 9Kbrs radial engine and re-designated the Bernard 75 it was later used as a pilot-trainer.[2] No further aircraft were built.
Variants
- Bernard 70
- Unbuilt design for a single-seat fighter.[2]
- Bernard S-72
- Single-seater racing monoplane powered by a Шаблон:Convert Gnome-Rhône 5Bc radial engine, first flight in May 1930 Later converted to the Bernard S-73.[1][2]
- Bernard S-73[3]
- The Bernard 72 re-engined with a Шаблон:Convert Gnome-Rhône 7Kb radial engine, first flown in May 1930.[2][3]
- Bernard 74-01
- Single-seat fighter variant, powered by a Шаблон:Convert Gnome-Rhône 7Kbs radial engine, later converted to the Bernard 75.[2][4]
- Bernard 74-02
- A second prototype powered by a Шаблон:Convert Gnome-Rhône 7Kd, first flown on 21 October 1931[1]
- Bernard 75
- Prototype Bernard 74-01 fighter re-engined with a Шаблон:Convert Gnome-Rhône 9Kbrs radial engine and later used as a pilot-trainer.[2][5]
Specifications (Bernard 74.01)
References
Notes
Bibliography
External links
- ↑ 1,0 1,1 1,2 1,3 1,4 Ошибка цитирования Неверный тег
<ref>; для сносокBernard 74-02не указан текст - ↑ 2,0 2,1 2,2 2,3 2,4 2,5 2,6 2,7 Ошибка цитирования Неверный тег
<ref>; для сносокorbisне указан текст - ↑ 3,0 3,1 3,2 Ошибка цитирования Неверный тег
<ref>; для сносокBernard S-73не указан текст - ↑ 4,0 4,1 Ошибка цитирования Неверный тег
<ref>; для сносокBernard 74-01не указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокBernard 75не указан текст
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