Engineering:Supermarine Sheldrake

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Short description: 1920s British flying boat
Sheldrake
Supermarine Sheldrake Aero Digest July 1927.jpg
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

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]

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 fixed forward-firing 0.303 in (7.70 mm) Vickers machine-gun
  • 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. 1.0 1.1 "Sires of the Swift". Flight: 473. 2 October 1953. http://www.flightglobal.com/pdfarchive/view/1953/1953%20-%201317.html. 
  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. 

Further reading