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HPA Toucan

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Toucan
Role Two-seat man-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 man-powered aircraft built and flown by members of Hertfordshire Pedal Aeronauts and was the first two-man man-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 man-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 Hanley 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 the Toucan was first flown at Radlett Aerodrome on 16 June 1972 when three flights were completed.[1] Flown by Bryan Bowen with Derek May as crewman the longest flight was 204 ft (62 m), the Toucan flew again on 3 July 1972 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 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

Related lists

References

Notes

  1. ^ a b c d e f g h i j Taylor 1973, pp. 210-211

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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