Supermarine Sheldrake

The Supermarine Sheldrake was a British amphibian biplane flying boat developed by Supermarine from the Supermarine Seagull with a revised hull.[1] It was powered by a Napier Lion engine mounted between the wings driving a four-bladed propeller.[1] Only one Sheldrake, serial number N180, was built.[2]

Sheldrake
Role Amphibian biplane flying boat
National origin United Kingdom
Manufacturer Supermarine
Designer R.J. Mitchell
First flight 1927
Produced 1923
Number built 1
Developed from Supermarine Seagull

Specifications (Sheldrake N180)

Data from Supermarine Aircraft Since 1914.[3]

General characteristics

  • Crew: 3
  • Length: 37 ft 4.5 in (11.392 m)
  • Wingspan: 46 ft (14 m)
  • Height: 16 ft 2.5 in (4.940 m)
  • Wing area: 593 sq ft (55.1 m2)
  • Empty weight: 4,125 lb (1,871 kg)
  • Gross weight: 6,100 lb (2,767 kg)
  • Powerplant: 1 × Napier Lion V W-12 water-cooled piston engine, 450 hp (340 kW)
  • Propellers: 4-bladed fixed pitch pusher propeller

Performance

  • Maximum speed: 103 mph (166 km/h, 90 kn) at sea level
  • Landing speed: 55 mph (48 kn; 89 km/h)
  • Cruise speed: 85 mph (137 km/h, 74 kn)
  • Range: 250 mi (400 km, 220 nmi)

Armament

  • Guns:
  • 1x flexibly mounted 0.303 in (7.70 mm) Lewis machine-gun in the rear cockpit aft of the mainplanes
  • Bombs: Up to 1,000 lb (450 kg) of bombs

See also

Related development

Related lists

  • Seaplanes and flying boats

References
  1. "Sires of the Swift". Flight. 2 October 1953. p. 473.
  2. Robertson, Bruce (1987). British Military Aircraft Serials 1878-1987. Letchworth, England: Midland Counties Publications. p. 102. ISBN 978-0-904597-61-5.
  3. Andrews, C.F.; Morgan, Eric B. (2003). Supermarine Aircraft Since 1914 (2nd Revised ed.). London: Putnam Aeronautical. pp. 82–87.
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