Vought O2U Corsair - Variants

Variants

XO-28

O2U-1

two prototypes followed by 130 production aircraft for USN with interchangeable wheel/float landing gear and 28 aircraft for other customers. 450 hp (336 kW) Pratt & Whitney R-1340-88 Wasp engine

O2U-2

37 built, increased span and larger rudder

O2U-3

110 built (30 for export), revised wing rigging, redesigned tail surfaces and Pratt & Whitney R-1340-C engine

O2U-4

43 built (1 for export. Also seven civilian O2U were built), similar to O2U-3 but with equipment changes

O3U-1

87 built, incorporating Grumman amphibious float

O3U-2

29 built, strengthened airframe, Pratt & Whitney R-1690 Hornet engine

O3U-3

76 built, 550 hp (410 kW) Pratt & Whitney R-1340-12 Wasp engine.

O3U-4

65 built, Pratt & Whitney R-1690-42 Hornet engine.

XO3U-5

test aircraft with Pratt & Whitney R-1535 engine

XO3U-6

test aircraft converted from O3U-3 with NACA cowling and enclosed cockpits

O3U-6

32 built, 16 with Pratt & Whitney R-1340-12 Wasp and 16 with Pratt & Whitney R-1340-18 Wasp engines

SU-1

Scout version of the O3U based on the O3U-2, 28 built

SU-2

Scout version of the O3U based on the O3U-4, 53 built

SU-3

Variant of the SU-2 with low-pressure tires, 20 built

XSU-4

SU-2 converted as a prototype SU-4 variant with a 600 hp R-1690-42 engine, later became an SU-4.

SU-4

SU-4 re-engined with a 600 hp R-1690-2 engine, 41 built

One United States Navy O2U-3 evaluated by the United States Army Air Corps.

Vought V-65B

Export version for Brazil - 36

Vought V-65C

Export version for Nationalist China

Vought V-65F

Export version for Argentine Navy

Vought V-66B

Export version for Brazil

Vought V-66E

Export version, one evaluated by the Royal Air Force

Vought V-66F

Export version for Brazil - 15, and Argentine Navy

Vought V-80F

Export version for Argentine Navy

Vought V-80P

Export version for Peruvian Air Force

Vought V-85G

Export version for Germany

Vought V-92C

Export version for Nationalist China

Vought V-93S

Export version of the O3U-6 for Thailand

Vought V-99M

Export version for Mexico

TNCA Corsario Azcárate

31 O2U-4A aircraft built under license in Mexico.

Vought AXV1

A single O2U supplied to the Imperial Japanese Navy Air Service for evaluation in 1929.