The Belgium Vreedenburgh biplane flew in 1910, powered by a 40 hp Anzani engine.
Vreedenburg Biplane
1 engine
VPS Svazarmu R 7 Racek
Aerobatics aircraft, Czech Republic, 1964
Engine : Walter Minor 6-III, 116 hp
Length : 21.982 ft / 6.7 m
Wingspan : 25.098 ft / 7.65 m
Wing area : 96.876 sq.ft. / 9.0 sq.m
Max take off weight : 1455.3 lb / 660.0 kg
Weight empty : 1124.6 lb / 510.0 kg
Max. speed : 167 kt / 310 km/h
Cruising speed : 140 kt / 260 km/h
Initial climb rate : 2165.35 ft/min / 11.0 m/s
Service ceiling : 26247 ft / 8000 m
Wing load : 14.97 lb/sq.ft / 73.0 kg/sq.m
Range : 189 nm / 350 km
Crew : 1
Vought V-135
The 1934 Vought V-135 NX15949 was a single place, open-cockpit biplane engine test-bed based on the O3U. It was powered by a P&W Twin Wasp and other engines.
Vought VE-135
The 1934 Vought VE-135 NX15949 was a single-seat, open-cockpit biplane military prototype.
Vought VE-10 Bat Boat
The Vought VE-10 Bat Boat of 1919 was a three-place open-cockpit flying boat built for USN trials. The only flying boat ever built by Vought, it was unsuccessful. Only the one was built.
Engine: 90hp Curtiss OX-5
Speed: 80 mph
Seats: 3
Vought V-97 Corsair
One Vought V-97 Corsair was built in 1936 as a two-place cabin biplane observation aircraft. Powered by a 1000hp P&W Twin Wasp engine, it went to Mexico.
Vought V-70-A Corsair
In 1933 Vought built a two-place V-70-A Corsair NX781N c/n 892 company demonstrator based on the O3U.
Vought V-326
In 1943 two Vought V-326 were built for P&W as a high-altitude test bed using some components from F4U Corsair.
Engine: turbocharged P&W Wasp Major
Seats: 2
Vought XSO2U-1
One XSO2U-1 was built, 1440, in 1939.
Engine: 550hp Ranger XV-770
Wingspan: 38’2″
Length: 34’2″
Speed: 201 mph
Gross wt: 5186 lb
Seats: 2
Vought SBU / V-142
The Vought SBU was a scouting design modified from a two-place fighter. Exports to Argentina were designated V-142. The 1934 XSBU-1 prototype 9746 was rebuilt and modified from an XF3U-1.
Eighty-four SBU-1 were built in 1935: 9750-9833.
Forty SBU-2 built in 1937 featured a modified engine; 0802-0841.
SBU / V-142
Engine: 700hp P&W R-1535
Wingspan: 33’3″
Length: 27’10”
Useful load: 1739 lb
Max speed: 208 mph
Stall: 65 mph
Range: 902 mi
Ceiling: 24,400′
Seats: 2
All Aero 