The Vought O3U Corsair was a two-seat biplane observation seaplane that Vought introduced for the United States Navy in 1930 as the successor to the O2U Corsair, which it closely resembled in its O2U-4 form. Powered by Pratt and Whitney Wasp or Hornet radial engines in the 410 to 447 kilowatt range, it led to several observation O3U types and to the SU scouting types, all two-seaters armed with one forward-firing and two rear-mounted machine guns. Altogether nearly 330 were built, about two-thirds of them as O3Us, and production ran until 1936. The first batch, the O3U-1, was built as an observation seaplane with a Grumman amphibious float. Export versions went to China and Thailand among other buyers, and many were still serving with the Navy and Marine Corps when the United States entered the Second World War in December 1941.
Facts
Engine Class EnginePratt and Whitney Wasp or Hornet radial engines 1 Comparison
Body StyleAircraft (no road body style) 1 Connections
Exemplifies
Source Aviastar: Vought O3U / SU
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Manufactured By
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Source Aviastar: Vought O3U / SUPage textQuote, Page text
Continuing its highly successful Corsair biplane range, Vought produced in 1930 the new O3U-1 for the US Navy.
Originated In
Also in Geography Atlas: where this subject originated.
Source Aviastar: Vought O3U / SUPage textQuote, Page text
Continuing its highly successful Corsair biplane range, Vought produced in 1930 the new O3U-1 for the US Navy.
Sources
1. Aviastar: Vought O3U / SU
Page text
Continuing its highly successful Corsair biplane range, Vought produced in 1930 the new O3U-1 for the US Navy.
Page text, body style
This led to several new O3U observation and SU scouting types being produced, powered by Pratt & Whitney Wasp or Hornet radial engines in the 410-447kW range.
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