The Vought SBU Corsair was designed and manufactured by Vought Aircraft Company in Dallas, Texas as an all-metal biplane dive bomber. The aircraft was built for the United States Navy and was developed from the XF3U two-seat biplane fighter. It performed its maiden flight in May 1933 and had a total number of 125 aircraft built.

United States
1935 to: 1936
1x Pratt & Whitney R-1535-80 Twin Wasp
700 horsepower
Max Cruise Speed:
178 knots
330 Km/h
Approach Speed (Vref):
Travel range:
477 Nautical Miles
883 Kilometers
Fuel Economy:
Service Ceiling:
23,700 feet
Rate of Climb:
1180 feet / minute
5.99metre / second
Take Off Distance:
Landing Distance:
Max Take Off Weight:
2,510 Kg
5,534 lbs
Max Landing Weight:
Max Payload:
420 Kg
926 lbs
Fuel Tank Capacity:
145 gallon
549 litre
Baggage Volume:
Seats - Economy / General:
2 seats
Seats - Business Class:
Seats - First Class:
Cabin Height:
Cabin Width:
Cabin Length:
Exterior Length:
8.5 metre - 27.89 feet
Tail height:
3.63 metre - 11.91 feet
Fuselage Diameter:
1.1 metre - 3.61 feet
Wing Span / Rotor Diameter:
10.14 metre - 33.27 feet
Wing Tips:
No Winglets

In 1934, the SBU-1 accomplished its flight tests, and in January 1935, it entered into production. In 1941, it was retired from active service. The XF3U-1 was a two-seat prototype with an engine rated at 700 horsepower. The XSBU-1 was a converted XF3U-1 into a scout bomber fitted with an R-1535-96 engine rated at 700 hp that was subsequently used as an engine test bed.

The SBU-1 is the original production order. It is a two-seater biplane with a closed cockpit for the pilot and the navigator/gunner. It has an external length of 8.49 meters, an external height of 2.7 meters, and a fuselage diameter of 1.1 meters. It has a tail height of 3.63 meters and has a fixed landing gear with a wheelbase of 5.9 meters. The wingspan is 10.14 meters and the wing area is 30.4 square meters. The aircraft has an empty weight of 1,659 kg and a maximum takeoff weight of 2,509 kg. It has a maximum payload of 420 kg and a fuel tank capacity of 14 US gal.

The dive bomber is powered by a single Pratt and Whitney R-1535-80 Twin Wasp Junior engine. It is a fourteen-cylinder two-row supercharged air-cooled radial engine with two overhead valves per cylinder, a single-speed centrifugal-type supercharger, a two-barrel Stromberg carburetor fuel system, an air cooling system, and an epicycling reduction gear. The engine produces a maximum takeoff thrust of 700 horsepower.

The Vought SBU has a maximum speed of 178 knots at 8,900 feet and a cruise speed of 106 knots. The travel range is 477 nautical miles. It can fly up to 23,700 feet and can climb at a rate of 1,180 feet per minute. The aircraft is loaded with various armaments such as a single fixed forward-firing 7.62 mm Browning machine gun and a single machine gun flexibly mounted in the rear cockpit. It is also loaded with 227 kg of bombs.

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