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The Westland-Hill Pterodactyl was a series of experimental flying wing aircraft designs starting in the 1920s named after the pterosaur.

They were designed by Geoffrey T. R. Hill and built by Westland Aircraft, having their first flights from RAF Andover. The first (Pterodactyl lA and lB) were high wing tailess monoplanes with fully moving wingtips for control built to overcome the issue of stalling and spinning. In some designs the monoplane wing was supported by struts from a stubby lower wing giving them some of the appearance of an unequal span biplane (sesquiplane). Later designs included fighter and transport aircraft.

The designs were credited as being inspired by observation of seagulls and used fully moving outer wingtips for control. If both tips were moved in the same way they functioned as elevators, in opposite ways then as ailerons

Contents

Aircraft

  • Pterodactyl I
Glider, built by G T R Hill in 1924; fitted with engine as Mk.IA in 1925
  • Pterodactyl IA
Bristol Cherub engine
  • Pterodactyl IB
Armstrong Siddeley Genet
  • Pterodactyl IV
Three seat cabin monoplane of 44 ft 4 in span and 19 ft 6 in length. Pitch and roll control by elevons.
  • Pterodactyl V
Fighter design with a 600 hp Rolls-Royce Goshawk engine and 2 Vickers machine guns.
  • Pterodactyl VI.
Designed to Specification F.5/33 for a 2 seater fighter aircraft with front mounted turret. Pusher engine design with powered, front-mounted, gun turret.
  • Pterodactyl Mk VII
Designed to Specification R1/33. Flying boat with two tractor and two pusher engines
Proposed Flying wing transatlantic passenger aircraft with 5 pusher Rolls-Royce Griffon engines.

The Pterodactyl 1A of 1925 is held by the Science Museum London

See also

Comparable aircraft

References

External links

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