Farman F.1020
F.1020 | |
---|---|
Role | Experimental aircraft |
National origin | France |
Manufacturer | Farman, Boulogne-Billancourt
|
First flight | December 1933 |
Number built | 1 |
The Farman F.1020 was an experimental aircraft built in France in 1933 to investigate the behaviour of a semi-circular wing fitted with unconventional controls. It had a short career and only one was constructed.
Design
The Farman F.1020 was built to test a novel wing design, the study of which had begun in 1926. Its plan was essentially semicircular, with the straight edge leading. The chord was thus broad and the
The wing of the F.1020 had a near circular trailing edge which squared off into straight tips. The leading edge was a little further forward than the diameter of the idealised semicircle would have been and was slightly swept; it was also extended beyond the rest of the wing, carrying conventional
This wing was mounted on the fuselage of a
Operational history
The first flight of the F.1020, nicknamed the Pelle-bêche (en:Digging-shovel or Spade) and registered as F-AMOG, was in December 1933, piloted by Lucien Coupet. Thereafter it was only flown by Henry Farman who found it almost impossible to spin, but without any other particular merits. A design study was made for a variant with a shorter, 4 m, chord, designated F.1021, but this was not built.[1]
Specifications
Data from Les avions Farman[1]
General characteristics
- Crew: 2
- Length: 8.27 m (27 ft 2 in)
- Wingspan: 7.50 m (24 ft 7 in)
- Height: 2.22 m (7 ft 3 in)
- Wing area: 27 m2 (290 sq ft)
- Aspect ratio: 2.1
- Powerplant: 1 × Lorraine 5 Pb 5-cylinder radial, 82 kW (110 hp)
Performance
- Maximum speed: 200 km/h (120 mph, 110 kn)
References
Bibliography
- Liron, Jean (1984). Les avions Farman. Collection Docavia. Vol. 21. Paris: Éditions Larivière. OCLC 37146471.
External links
- "Image of F.1020". Retrieved 2011-01-02.