caption=F3F-1 of VF-4 in the late 1930s.
first flight= 20 March 1935
United States Navy
United States Marine Corps
unit cost=$20,424 (as of 1935)Cacutt 1989, pp. 155–162.]
GrummanF3F was the last American biplane fighter aircraftdelivered to the United States Navy. Designed as an improvement on the single-seat F2F, it entered service in 1936 and was retired from front line squadrons at the end of 1941.
Design and development
The Navy's experience with the F2F revealed issues with stability and unfavorable spin characteristics, [http://www.vf31.com/aircraft/f3f.html Grumman F3F] Air Group 31, 27 December 2006.] prompting the
15 October1934 contract for the improved XF3F-1, placed before F2F deliveries began. The contract also required a capability for ground attack, in addition to the design's fighter role. Powered by the same Pratt & Whitney R-1535-72 Twin Wasp Junior engine as the F2F, the fuselage was lengthened and wing area increased over the earlier design. A reduction in wheel diameter allowed greater fuselage streamlining, eliminating the prominent bulge behind the cowling of the F2F.
The prototype, BuNo. 9727, was delivered and first flown on 20 March 1935 with company test pilot Jimmy Collins making three flights that day. Two days later, six dive-recovery flights took place; on the 10th, the aircraft's pullout at 8,000 ft (2,438 m) registered 14 g on the test equipment. The aircraft broke up in midair, crashing in a cemetery and killing Collins. A second, strengthened prototype was built, but it crashed on 9 May of the same year following the pilot's bailout during an unsuccessful spin recovery. The second prototype was rebuilt in three weeks, flying on 20 June 1935. An order for 54 F3F-1 fighters was placed on
24 Augustof that year, following the conclusion of the flight test program.
The first production F3F-1 was delivered on 29 January 1936 to the test group at
Naval Air Station Anacostia, with squadron service beginning in March to VF-5B of the USS Ranger and VF-6B of the USS Saratoga. Marine squadron VF-4Mreceived the last six in January 1937.Grumman, wanting to take advantage of the powerful new 950 hp (708 kW) Wright R-1820 Cyclone supercharged radial engine, began work on the F3F-2 without a contract; the order for 81 aircraft was not placed until 25 July 1936, two days before the type's first flight. The engine's larger diameter changed the cowling's appearance, making the aircraft look even more like a barrel, though top speed increased to 255 mph (410 km/h) at 12,000 ft (3,658 m).
The entire F3F-2 production series was delivered in between 1937 and 1938; when deliveries ended, all seven Navy and Marine Corps pursuit squadrons were equipped with Grumman single-seat fighters. Further aerodynamic developments were made to an F3F-2 returned to Grumman for maintenance; it became the XF3F-3, and featured a larger-diameter propeller, among other improvements. On 21 June 1938, the Navy ordered 27 improved F3F-3s, as new
monoplanefighters like the Brewster F2Aand Grumman's own F4F Wildcatwere taking longer to develop than had been planned.
With the introduction of the Brewster F2A-1, the Navy's biplane fighter days were numbered. All F3Fs were withdrawn from squadron service by the end of 1941, though 117 were assigned to naval bases and used for training and utility duties until December 1943.
A few F3Fs were used by the
U.S. Army Air Forceas ferry-pilot trainers, under the designation UC-103.
A civilian aerobatic two-seat variant, the G-32A "Gulfhawk II," was constructed in 1938 and flown by Major Alfred "Al" Williams (Ret.), head of Gulf Oil's aviation department.
A Grumman F3F-2 was ditched off the coast of
San Diegoon 29 August 1940 while attempting a landing on the USS "Saratoga" (CV-3). The fighter was rediscovered by a navy submarine in June 1988, and recovered on 5 April 1991. It was restored at the San Diego Aerospace Museum. [ [http://www.navalaviationmuseum.org/getdoc/1da8b94f-2f35-4154-8244-c9bec1ba6240/Underwater-Treasures.aspx Underwater Treasures] ]
Today, four other surviving aircraft are flying, three F3F-2 models and the Gulf Oil G-32A, which were restored by Herb Tischler's Texas Airplane Factory in Fort Worth. The restorations took four years and consisted of rebuilding the G-32A, from original blueprints with tooling built at the Texas Airplane Factory. The main components of three -2 aircraft which had originally crashed in Hawaii were utilized to complete the other restorations.
United States Army Air Force
United States Marine Corps
United States Navy
plane or copter?=plane
jet or prop?=prop
ref=Great Aircraft of the World
length main=23 ft 2 in
length alt=7.06 m
span main=32 ft 0 in
span alt=9.75 m
height main=9 ft 4 in
height alt=2.84 m
area main=260 ft²
area alt=24.15 m²
empty weight main=3,285 lb
empty weight alt=1,490 kg
loaded weight main=
loaded weight alt=
max takeoff weight main=4,795 lb
max takeoff weight alt=2,175 kg
Wright R-1820-22 "Cyclone"
type of prop=9-cylinder
number of props=1
power main=950 hp
power alt=710 kW
max speed main=229 knots, 264 mph
max speed alt=425 km/h
max speed more=at 15,250 ft (4,658 m)
cruise speed main=150 mph
cruise speed alt=130 knots, 240 km/h
range main=980 mi
range alt=850 nm, 1,600 km
ceiling main=33,200 ft
ceiling alt=10,120 m
climb rate main=2,800 ft/min
climb rate alt=14 m/s
climb rate more=at sea level
** 1× 0.30 in (7.62 mm)
M1919 machine gun, 500 rounds (left)
** 1× 0.50 in (12.7 mm)
M2 machine gun, 200 rounds (right)
bombs=2× 116 lb (52.6 kg) Mk IV bombs, one under each wing
The F3F-2 was featured in the 1940 film "
Flight Command", starring Robert Taylor as a pilot whose work developing instrument landing systems helps his lost squadron return to NAS North Island.
It also was prominently featured in the 1942 film "Dive Bomber", also set at NAS North Island.
* Cacutt, Len, ed. “Grumman Single-Seat Biplane Fighters.” "Great Aircraft of the World". London: Marshall Cavendish, 1989. ISBN 1-85435-250-4.
* Crosby, Francis. "Fighter Aircraft". London: Lorenz Books, 2002. ISBN 0-7548-0990-0.
* [http://www.mucheswarbirds.com/F3Fart.html The Grumman F3F: The U.S. Navy's Last Biplane Fighter]
* [http://www.fantasyofflight.com/aircraftpages/f3f.htm Fantasy of Flight's F3F]
* FF - F2F - F3F - F4F - XF5F - F6F
List of fighter aircraft
List of military aircraft of the United States (naval)
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Look at other dictionaries:
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