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SBU Corsair: Wikis


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Vought SBU-1 Corsairs in colourful prewar US Navy markings during the mid-thirties
Role Dive Bomber
National origin United States of America
Manufacturer Vought
Primary user United States Navy
Number built 125

The Vought SBU-1 Corsair was a two seat, all metal biplane dive bomber built by Vought Aircraft Company of Dallas, Texas for the US Navy. Its design was based upon the F3U-1 two seat fighter that was abandoned when the Navy decided not to build any more two seat fighters. The aircraft was equipped with a closed cockpit, had fixed landing gear, and was powered by a Pratt & Whitney R-1535 radial air-cooled engine as had the F3U-1, but also included a controllable pitch propeller and a new NACA cowl with adjustable cowling gills on the trailing edge of the cowl. The adjustable cowling gills permitted better control of cooling airflow over the engine.

The SBU-1 completed flight tests in 1934 and went into production under a contract awarded in January 1935. The Corsair was the first aircraft of its type, a scout bomber, to fly faster than 200 mph.


 United States

Specifications (SBU-1)

Data from United States Navy Aircraft since 1911 [1]

General characteristics

  • Crew: two: pilot, navigator/gunner
  • Length: 27 ft 10 in (8.49 m)
  • Wingspan: 36 ft 3 in (10.14 m)
  • Height: 11 ft 11 in (3.63 m)
  • Wing area: 327 ft² (30.4 m²)
  • Empty weight: 3,645 lb (1,659 kg)
  • Max takeoff weight: 5,520 lb (2,509 kg)
  • Powerplant:Pratt & Whitney R-1535-80 Twin Wasp Junior 14-cylinder two-row air cooled radial engine, 700 hp (522 kW)



  • Guns: 1x Fixed forward firing .30 in (7.62 mm) Browning machine gun and 1x machine gun flexibly mounted .30 in machine gun in rear cockpit
  • Bombs: 1x 500 lb (227 kg) bomb


  1. ^ Swanborough and Bowers 1976, p.396.
  • Swanborough, Gordon and Bowers, Peter M. United States Navy Aircraft since 1911. London:Putnam, 1976. ISBN 0 370 10054 9.


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