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