Английская Википедия:Deperdussin Monocoque

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The Deperdussin Monocoque was an early racing aircraft built in 1912 by the Aéroplanes Deperdussin, a French aircraft manufacturer started in 1911 and reorganized as the Société Pour L'Aviation et ses Dérivés (SPAD) in 1913. It is so named because of the method of construction of its fuselage. The aircraft is noted for winning the Gordon Bennett Trophy in 1912 and 1913, and for raising the world speed record for aircraft to Шаблон:Convert.

Background

The usual method of construction of an aircraft's fuselage at this time was to use a wire braced box-girder covered in fabric. The first use of monocoque construction in aviation is attributed to Eugene Ruchonnet,[1][2] a Swiss marine engineer who had built an aircraft nicknamed the Cigare in 1911,[3] which had a fuselage constructed by building up several layers of thin wood, each lamination applied at right angle to the one underneath.

Design

The Deperdussin Monocoque was a mid-wing monoplane with parallel-chord wings with the spars made of hickory and ash, and ribs made of pine. The fuselage was made in two halves, each made by glueing and pinned a layer of tulip wood to a framework of hickory supported by a former, and then applying two further layers of tulipwood, the thickness of the shell being around Шаблон:Convert.[4] The shells were then removed from the formers, internal fittings added and the two halves glued together and covered in fabric. Every effort was made to reduce drag: a large spinner was fitted over the hub of the propeller and the undercarriage was an aerodynamically clean design made from a pair of U-shaped plywood frames.

Service history

Jules Védrines won the 1912 Gordon Bennett Trophy race in a Monocoque, with Maurice Prévost coming second in another Monocoque.

Deperdussin entered three aircraft for the 1913 race, which was held as part of the week-long aviation meeting at Rheims in September 1913. Prévost, Eugène Gilbert and Rost were selected in elimination trials to decide the three pilots who would form the French team. A fourth Monocoque was entered by Crombez, representing Belgium. Prévost's aircraft had been modified by reducing the span of the wings. The race was won by Prévost, who completed the Шаблон:Convert course in 59 min 45.6 seconds, at an average speed of Шаблон:Convert[5] Védrines was second in a Ponnier monoplane, while Monocoques placed third (Gilbert) and fourth (Crombez).

Appearances in film

A reproduction made an appearance in the 1978 film The 39 Steps. During the search for Richard Hannay across the English and Scottish countryside, Prussian agents use a Monocoque to hunt for Hannay. The machine does not have a rotary engine but rotary engine sounds are frequently employed while the aircraft is in flight.Шаблон:Fact

Aircraft on display

An example is on display in the French Air and Space Museum at Le Bourget, near Paris.[6]

Specifications (1913 Gordon Bennett winner)

Файл:Deperdussin racer - Aero and Hydro volume 1 pg 147.png
Deperdussin racer 2 view drawing- Aero and Hydro volume 1 pg 4

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References

Шаблон:Commons category

Notes

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Bibliography

Шаблон:Deperdussin aircraft

  1. Emile Ruchonnet;earlyaviators.com ..Retrieved January 2, 2018
  2. Emile Ruchonnet; Champagne|Berceau de l'aviation du Monde(w/English translation function) .Retrieved January 2, 2018
  3. Hallion, Kenneth Taking Flight New York, Oxford University Press, 2003 p. 319 Шаблон:ISBN
  4. The Шаблон:Convert Deperdussin Racing Monoplane Flight International 22 November 1913, p. 1269Шаблон:Deadlink
  5. The Gordon Bennett Race Flight International 4 October 1913Шаблон:Deadlink
  6. Шаблон:Cite web