Grumman F3F

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The Grumman F3F is a single-seat biplane fighter aircraft produced by the Grumman aircraft for the United States Navy during the mid-1930s. Designed as an improved F2F, it entered service in 1936 as the last biplane fighter to be delivered to any American military air arm. It was retired from front line squadrons at the end of 1941 before World War II, and replaced by the Brewster F2A Buffalo. The F3F inherited the Leroy Grumman-designed retractable main landing gear first used on the Grumman FF, and was the basis for a biplane design ultimately developed into the F4F Wildcat.

Design and development

File:F3F NAS Anacostia NAN10-80.jpg
F3F-3 assigned to Naval Air Station Anacostia

The Navy's experience with the F2F revealed problems with stability and poor spin recovery,[1] prompting the 15 October 1934 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.[2] Powered by the same Pratt & Whitney R-1535-72 Twin Wasp Junior engine as the F2F, the fuselage was lengthened and wing area increased. A reduction in wheel diameter improved streamlining, and eliminated a 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 making three flights that day. Two days later, six dive-recovery flights took place; on the 10th dive, the aircraft's pullout at Template:Cvt registered 14 g on the test equipment. The aircraft broke up in midair, crashing in a cemetery and killing the pilot.[2] 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.[3] The second prototype was rebuilt in three weeks, flying on 20 June 1935. An order for 54 F3F-1 fighters was placed on 24 August of that year, following the conclusion of the flight test program.[4]

Operational history

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 Template:USS and VF-6B of Template:USS. Marine squadron VF-4M received the last six in January 1937.[5]

Grumman, wanting to take advantage of the new Template:Cvt Wright R-1820 supercharged radial engine, began work on the F3F-2 without a contract. The order for 81 was placed until 25 July 1936, two days before the type's first flight.[1] The larger diameter engine changed the cowling's appearance, making the aircraft look even more like a barrel, though top speed increased to Template:Cvt at Template:Cvt.[2]

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 improvements were made to an F3F-2 based on wind tunnel studies in the NACA Langley Template:Cvt full-scale wind tunnel and became the XF3F-3. It featured a larger-diameter propeller, and a complete revision of the fuselage skinning from the aft cabane strut forward to improve aerodynamics and reduce carbon monoxide intrusion. On 21 June 1938, the Navy ordered 27 F3F-3s, as new monoplane fighters like the Brewster F2A and Grumman's F4F Wildcat were taking longer to develop than planned.[6]

All F3Fs were withdrawn from squadron service by the end of 1941 following the introduction of the Brewster, though 117 were assigned to naval bases (Mainly NAS Miami and NAS Corpus Christi) for training and utility duties until December 1943.[1]

A civilian aerobatic variant, the G-22A "Gulfhawk II," was built in 1936 and flown by Major Alford "Al" Williams, of Gulf Oil.[7]

Incidents

  • 30 October 1936, the pilot was killed when both left wings of an F3F-1 tore off at Template:Cvt during dive bombing practice at Border Field, San Diego.[8]
  • 10 November 1936, pilot killed when an F3F-1 crashed into Template:USS on approach. It sank in Template:Cvt of water.[8]
  • 25 August 1937, a F3F-1 crashed after colliding midair with a Navy Vought SBU-1 above Rancho Santa Fe near San Diego. The pilot bailed out safely.[9]

Variants

Data from: Aerofiles - Grumman[10]

G-11
Company designation for F3F-1 carrier-borne fighters
XF3F-1
Three prototypes of the F3F (all with Bureau Number 9727), powered by a Template:Cvt Pratt & Whitney R-1535-84 Twin Wasp Juniors
F3F-1
Initial production version for the US Navy, 54 built.
G-19
Company designation for the F3F-2 and F3F-3
XF3F-2
One prototype, powered by a Template:Cvt Wright XR-1820-22 Cyclone G
File:2022-Grumman Gulfhawk II NASM.jpg
The Grumman G-22 Gulfhawk II at the Steven F. Udvar-Hazy Center of the National Air and Space Museum.
F3F-2
Second production model, powered by a Template:Cvt Wright R-1820-22 Cyclone, 81 built.
XF3F-3
One prototype F3F-3 with curved windshield, modified forward fuselage with a widened diameter cowling with a single cowl flap on either side
F3F-3
Final production variant for the US Navy, 27 built. Featured a redesigned forward fuselage.
G-22 Gulfhawk II
A single hybrid F2F/F3F, powered by a Template:Cvt Wright R-1820 Cyclone, for display pilot Al Williams, sponsored by the Gulf Oil Company for demonstration flights and aerobatic displays. The G-22 Gulfhawk II was retired to the National Air Museum in October 1948.

Operators

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Surviving aircraft

File:Grumman F3F-2 Flying Barrel, Naval Aviation Museum, Pensacola, Florida (2).jpg
Grumman F3F-2 at the National Naval Aviation Museum, Pensacola, Florida (2007)

Today, there are three flying F3F-2 models, all which were restored by Herb Tischler's Texas Airplane Factory in Fort Worth. The wreckage of three F3F-2 aircraft which had originally crashed in Hawaii was used to complete the other restorations.[12]

Specifications (F3F-2)

File:Grumman F3F drawing NAN9-77.jpg
Three-side drawing of an F3F-1

Data from Great Aircraft of the World[2]

General characteristics

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See also

Related development

Aircraft of comparable role, configuration, and era

Related lists

References

Notes

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  1. ^ a b c Page Module:Citation/CS1/styles.css has no content."Grumman F3F". Air Group 31. 27 December 2006. Retrieved 21 June 2013.
  2. ^ a b c d Cacutt 1989, pp. 155–162.
  3. ^ Dann 1996, p. 4.
  4. ^ Page Module:Citation/CS1/styles.css has no content.Jordan, Corey C. "Grumman's Ascendency: Chapter Three". Planes and Pilots Of World War Two. Archived from the original on 21 September 2013. Retrieved 21 June 2013.
  5. ^ Dann 1996, p. 27.
  6. ^ Crosby 2002, p. 77.
  7. ^ Page Module:Citation/CS1/styles.css has no content."Grumman G-22". Smithsonian National Air and Space Museum. 2014. Archived from the original on 10 August 2014. Retrieved 4 August 2014.
  8. ^ a b Page Module:Citation/CS1/styles.css has no content."Casualties: US Navy and Marine Corps Personnel Killed and Injured in Selected Accidents and Other Incidents Not Directly the Result of Enemy Action". public1.nhhcaws.local. Retrieved 23 November 2024.
  9. ^ Page Module:Citation/CS1/styles.css has no content."Petaluma Argus Courier 25 August 1937 — California Digital Newspaper Collection". cdnc.ucr.edu. Retrieved 23 November 2024.
  10. ^ Eckland, K.O. "Grumman, Grumman-American." aerofiles.com, 11 September 2008. Retrieved: 21 June 2013.
  11. ^ a b Page Module:Citation/CS1/styles.css has no content."The Grumman F3F Series" (PDF). Retrieved 4 November 2025.{{cite web}}: CS1 maint: url-status (link)
  12. ^ a b Page Module:Citation/CS1/styles.css has no content.Wilkinson, Stephan (15 January 2013). "F3F Biplane Barrels Back". HistoryNet. Retrieved 31 August 2016.
  13. ^ Page Module:Citation/CS1/styles.css has no content."F3F-2". National Naval Aviation Museum. Naval Aviation Museum Foundation. Archived from the original on 10 August 2023. Retrieved 10 August 2023.
  14. ^ Page Module:Citation/CS1/styles.css has no content."1938 Grumman F3F-2". Fantasy of Flight. 18 September 2013. Retrieved 31 August 2016.
  15. ^ Page Module:Citation/CS1/styles.css has no content."Grumman F3F Flying Barrel". worldwariiaviation.org. Retrieved 9 August 2023.
  16. ^ Page Module:Citation/CS1/styles.css has no content."Grumman G-22 Gulfhawk II". Smithsonian National Air and Space Museum. Retrieved 31 August 2016.

Bibliography

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Wikimedia Commons has media related to Grumman F3F.Template:Preview warning

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