1920s British flying boat
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
References
^ a b "Sires of the Swift" . Flight . 2 October 1953. p. 473.
^ Robertson, Bruce (1987). British Military Aircraft Serials 1878-1987 . Letchworth, England: Midland Counties Publications. p. 102. ISBN 978-0-904597-61-5 .
^ Andrews, C.F.; Morgan, Eric B. (2003). Supermarine Aircraft Since 1914 (2nd Revised ed.). London: Putnam Aeronautical. pp. 82– 87.
Further reading
"Hampshire Air Pageant" . Flight . London: Royal Aero Club. 19 May 1927. pp. 305– 308. Retrieved 1 March 2023 – via Internet Archive.
Type numbers By role
Racers Fighters Bombers Reconnaissance and patrol Civil
Under contract Personnel