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The Sikorsky XP2S was an American biplane patrol flying boat developed for the United States Navy during the early 1930s.

XP2S-1
Role	Patrol flying boat Type of aircraft
National origin	United States
Manufacturer	Sikorsky Aircraft
First flight	June 1932
Primary user	United States Navy
Number built	1
Type	Prototype
Serial	A8642

Design and development

After selling a small quantity of PS / RS patrol / transport amphibians to the Navy, Sikorsky (then a division of United Aircraft Corporation) endeavoured to interest the service in a patrol flying boat. Having received a development contract in mid-1930, Sikorsky delivered a complete aircraft for testing in June 1932.[1] The XP2S-1, as the prototype was designated, was a two-bay, equal-span biplane of mixed construction. Its two R-1340 Wasp radial engines were mounted in a single nacelle in a tandem configuration.

Its overall performance did not exceed that of other biplane patrol boats of the era, and after approximately one year of official trials the Navy cancelled the project.[1]

Operators

 United States

• United States Navy

Specifications (XP2S-1)

Data from United States Naval Aviation 1919-1941. Aircraft, Airships and Ships Between the Wars[1]

General characteristics

• Crew: 3
• Length: 44 ft 2 in (13.46 m)
• Wingspan: 56 ft (17 m)
• Wing area: 762 sq ft (70.8 m²)
• Empty weight: 6,040 lb (2,740 kg)
• Gross weight: 9,745 lb (4,420 kg)
• Powerplant: 2 × Pratt & Whitney R-1340 radial engine, 450 hp (340 kW) each

Performance

• Maximum speed: 124 mph (200 km/h, 108 kn)estimated
• Service ceiling: 13,900 ft (4,200 m)

Armament

• Guns: 1× flexibly mounted .30 in machine gun in the bow; 1× flexibly mounted .30 in machine gun in the rear cockpit
• Bombs: up to 1000 lbs

See also

Aircraft of comparable role, configuration, and era

• Boeing XPB
• Hall PH
• Hiro H2H
• Naval Aircraft Factory PN

Related lists

• List of United States Navy aircraft designations (pre-1962)
• List of flying boats and floatplanes

References

Citations

Bibliography

• Johnson, E.R. (2009). American flying boats and amphibious aircraft : an illustrated history. Jefferson, N.C.: McFarland & Co. pp. 194–196. ISBN 978-0786439744.

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