Engineering:HPA Toucan
| Toucan | |
|---|---|
| Role | Two-seat Human-powered aircraft |
| National origin | United Kingdom |
| Manufacturer | Hertfordshire Pedal Aeronauts |
| First flight | 23 December 1972 |
| Number built | 1 |
The HPA Toucan is a British two-seat human-powered aircraft built and flown by members of the Hertfordshire Pedal Aeronauts and was the first two-person human-powered aircraft to fly.[1]
Development
The Hertfordshire Pedal Aeronauts was formed in 1965, mainly from the staff of Handley Page Limited, to design and build a human-powered aircraft and to compete for the Kremer Prize. The aircraft, unique in being powered by two persons, was designed by Martyn Pressnell. Pressnell was at the time a stress engineer with Handley Page.[1] Partly funded by a grant from the Royal Aeronautical Society construction began in 1967 and was completed in 1972.[1] Following taxying trials at Radlett Aerodrome on 16 June 1972 when brief hops were made, the aircraft made its first flight on 23 December 1972.[1][2] Flown by Bryan Bowen with Derek May as crewman the longest flight was 204 ft (62 m), the Toucan flew again on 3 July 1973 for 2,100 ft (640 m) and achieved a height of 15 to 20 ft (4.6 to 6.1 m).[1]
Design
The Toucan is a mid-wing cantilever monoplane with the fuselage a braced structure of spruce and balsa and covered with Melinex.[1] The wing spars had spruce booms and plywood edges and the ribs were made from balsa and like the fuselage it was covered with Melenix.[1] The landing gear was a non-retractable the main wheel and tailwheel in tandem, it also had small outrigger wheels under the wings.[1] The two crew sit in tandem under a transparent removable cover, the power is generated by the two crew using bicycle pedals which were connected by chains to drive the main wheel and via a shaft a two-bladed balsa pusher propeller mounted at the rear of the tail unit.[1]
Specifications
Data from Jane's All the World's Aircraft 1973-74[1]
General characteristics
- Crew: 2
- Length: 28 ft 8 in (8.74 m)
- Wingspan: 123 ft 0 in (37.49 m)
- Height: 13 ft 6 in (4.11 m)
- Wing area: 600 sq ft (55.7 m2)
- Empty weight: 210 lb (95 kg)
- Gross weight: 528 lb (239 kg)
Performance
- Maximum speed: 34 mph (54.5 km/h, 30 kn)
- Stall speed: 20 mph (32 km/h, 17 kn)
See also
Aircraft of comparable role, configuration and era
- Cook Musfly
- HMPAC Puffin
- Malliga 1
- MacCready Gossamer Albatross
- MacCready Gossamer Condor
- Goodhart Newbury Manflier
- Southend MPG Mayfly
Related lists
- List of Human-powered aircraft
References
Notes
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 Jane's all the world's aircraft 1973-74. London: Jane's Yearbooks. 1973. pp. 210-211. ISBN 0354001175.
- ↑ Sherwin, Keith (1976) (in en). To Fly Like a Bird: The Story of Man-Powered Aircraft. Folkestone, England: Bailey Brothers and Swinfen Limited. pp. 94-97. ISBN 0561002835.
Bibliography
- Taylor, John W.R., ed (1973). Jane's All the World's Aircraft 1973-74. London, United Kingdom: Jane's Yearbooks. ISBN 0-354-00117-5.
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