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Vought F7U Cutlass

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This page is a soft redirect.Vought F7U-3 Cutlass BuNo 128463 on the ramp at Naval Air Station Jacksonville in June 1954. #REDIRECTmw:Help:Magic words#Other
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F7U Cutlass

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First flight

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Primary user

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Number built

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The Vought F7U Cutlass was a United States Navy carrier-based jet fighter and fighter-bomber of the early Cold War era. It was a highly unusual, semi-tailless design, allegedly based on aerodynamic data and plans captured from the German Arado company at the end of World War II, though Vought designers denied any link to the German research at the time.[1] The F7U was the last aircraft designed by Rex Beisel, who was responsible for the first fighter ever designed specifically for the U.S. Navy, the Curtiss TS-1 of 1922.

Regarded as a radical departure from traditional aircraft design, the Cutlass suffered from numerous technical and handling problems throughout its short service career. The type was responsible for the deaths of four test pilots and 21 other U.S. Navy pilots.[1] Over one quarter of all Cutlasses built were destroyed in accidents. The poor safety record was largely the result of the advanced design built to apply new aerodynamic theories, insufficient thrust and unreliable engines.[citation needed]

Design and development

File:F7U-1 CVB-41 launch2 1941.jpg
The first F7U-1 launching from the carrier Midway in 1951

The Cutlass was Vought's entry to a U.S. Navy competition for a new carrier-capable day fighter, opened on 1 June 1945. Former Messerschmitt AG senior designer Waldemar Voigt, who supervised the development of numerous experimental jet fighters in Nazi Germany, contributed to its design with his experience in the development of the Messerschmitt P.1110 and P.1112 projects.[2][3] The requirements were for an aircraft that was able to fly at Script error: No such module "convert". at Script error: No such module "convert"..[1] The design featured broad chord, low aspect ratio, swept wings, with twin wing-mounted tail fins either side of a short fuselage. The cockpit was situated well forward to provide good visibility for the pilot during aircraft carrier approaches. The design was given the company type number of V-346 and then the official designation of "F7U" when it was announced the winner of the competition.[1]

Pitch and roll control was provided by elevons, though Vought called these surfaces "ailevators" at the time. Slats were fitted to the entire span of the leading edge. All controls were hydraulically-powered. The very long nose landing gear strut required for high angle of attack takeoffs was rather weak, and a collapse could seriously jeopardize the pilot's safety. The F7U was also largely let down by its underpowered Westinghouse J34 turbojets, an engine that some pilots liked to say "put out less heat than Westinghouse's toasters." Naval aviators called the F7U the "Gutless Cutlass" and/or the "Ensign Eliminator" or, in kinder moments, the "Praying Mantis".[4]

Operational history

File:Vought F7U-3 Cutlass.jpg
Vought F7U-3 Cutlass
File:F7U-3 CVA-19 ramp strike 1955.jpg
Ramp strike of Vought F7U-3 Cutlass "412" of VF-124 on Hancock on 14 July 1955. LCDR Jay T. Alkire (XO of USN's VF-124 'Stingarees') was killed in the crash, and several deck crew were injured.[5][6]

Three prototypes were ordered in 1946, with the first example flying on 29 September 1948, piloted by Vought's Chief Test Pilot, J. Robert Baker. The maiden flight took place from Naval Air Station Patuxent River and was not without its problems. During testing one of the prototypes reached a maximum speed of 625 mph (1,058 km/h)[7]

Production orders were placed for the F7U-1 in a specification very close to the prototypes, and further developed F7U-2 and F7U-3 versions with more powerful engines. Because of development problems with the powerplant, however, the F7U-2 would never be built, while the F7U-3 would incorporate many refinements suggested by tests of the -1. The first 16 F7U-3s had non-afterburning Allison J35-29 engines. The -3, with its Westinghouse J46-WE-8B turbojets, would eventually become the definitive production version, with 288 aircraft equipping 13 U.S. Navy squadrons. Further development stopped once the Vought F8U Crusader flew.

The F7U's performance suffered due to a lack of sufficient engine thrust; consequently, its carrier landing and takeoff performance was notoriously poor. The J35 was known to flame out in rain, a very serious fault.

The first fleet squadron to receive F7Us was Fighter Squadron 81 (VF-81) in April 1954; the last with Cutlasses was Attack Squadron 66 (VA-66) in November 1957. Few squadrons made deployments with the type, and most "beached" them ashore during part of the cruise owing to operating difficulties. Those units known to have taken the type to sea were:

Blue Angels

The Navy Flight Demonstration Squadron, the Blue Angels, flew two F7U-1 Cutlasses (BuNos 124426 & 124427) as a side demonstration during their 1953 show season in an effort to promote the new aircraft, but did not use them as part of their regular formation demonstration. Both the pilots and ground crews found the aircraft generally unsatisfactory, and it was apparent that the type was still experiencing multiple teething troubles.[7]

During the Blue Angels' first airshow appearance in 1953, pilot LT Edward "Whitey" Feightner, the former program manager for the F7U, experienced a total loss of hydraulics on a full afterburner takeoff and steep climb. While trying to gain enough altitude for ejection he was able to stay with the aircraft until the back up system came on. He clipped trees on the end of the runway, causing the left engine to flame out. With hydraulic fluid streaming back in a bright flame, he made a hard turn and got the plane back on the runway, much to the excitement of the crowd. Later, while traveling to an airshow at Naval Air Station Glenview in Chicago, Illinois, Blue Angel pilot LT Harding MacKnight experienced an engine flameout in his Cutlass, forcing him to make an emergency landing at NAS Glenview. Traveling with him, LT Feightner was redirected to make his landing at Chicago's former Orchard Airpark, which had been expanded and renamed O'Hare Airport. The runway had just been completed and was covered with peach baskets to prevent aircraft from landing until it was opened. LT Feightner was told to ignore the baskets and land on the new runway. As a result, LT Feightner's F7U became the first aircraft to land on the new runway for Chicago's O'Hare International Airport.

Following these incidents, the two Cutlasses were deemed unsuitable for demonstration flying and were flown to Naval Air Station Memphis, Tennessee, where they were abandoned to become aircraft maintenance instructional airframes for the Naval Technical Training Center.[8]


Three prototypes ordered on 25 June 1946 (BuNos 122472, 122473 & 122474). First flight, 29 September 1948, all three aircraft were destroyed in crashes.[9]
The initial production version, 14 built. Powered by two J34-WE-32 engines.
Proposed version, planned to be powered by two Westinghouse J34-WE-42 engines with afterburner, but the order for 88 aircraft was cancelled.
Designation given to one aircraft built as the prototype for the F7U-3, BuNo 128451. First flight: 20 December 1951.
The definitive production version, 192 built. Powered by two Westinghouse J46-WE-8B turbojets.
File:F7U-3P NAN11-54.jpg
F7U-3P reconnaissance aircraft
Photo-reconnaissance version, 12 built. With a 25 in longer nose and equipped with photo flash cartridges none of these aircraft saw operational service, being used only for research and evaluation purposes.[9]
This missile capable version was armed with four AAM-N-2 Sparrow I air-to-air beam-riding missiles, 98 built. A total of 48 F7U-3 existing airframes were upgraded to F7U-3M standard. An order for 202 aircraft was cancelled.
Designation given to a cancelled order of 250 aircraft to be used in the ground attack role.


File:F7U-3M Cutlass Launches from Intrepid CV11 1954.jpg
A VF-83 F7U-3 launches from the USS Intrepid in 1954 during catapult testing
23x15px United States

Aircraft on display

Seven F7U-3 Cutlass aircraft are known to have survived.

  • 129554 - Snohomish County Airport - Paine Field, Everett, Washington. Ex VA-212. Purchased by Len Berryman from Geiger Field, Washington in May 1958 and displayed outside the Berryman War Memorial Park in Bridgeport, Washington from 1958 until 1992. In June 1992 it was sold to Tom Cathcart of Ephrata, Washington. Sold in September 2014, and awaiting transport to Phoenix, Arizona for further restoration to airworthy condition.[11]
  • 129622 - Phoenix, Arizona. Ex VA-34 / VA-12 aircraft that was flown to Naval Air Reserve Training Unit (NARTU) Glenview, NAS Glenview, Illinois, where it was sporadically flown by Naval Air Reserve pilots and used for instruction of enlisted Naval Reserve aircraft maintenance personnel; ownership was then transferred to the Northbrook East Civic Association and the aircraft was moved to the Oaklane Elementary School for playground use. It was subsequently removed and dissected to be sold for its engines. Forward fuselage was part of Earl Reinart's collection in Mundelein, Illinois, while the rest of the aircraft went to J-46 dragster builder Fred Sibley in Elkhart, Indiana. Its components are currently reunited in the collection of F7U historian Al Casby.[citation needed]
  • 129642 - under restoration at the Wings of Freedom Aviation Museum in Horsham, Pennsylvania.[13] Ex VA-12 aircraft flown to NAS Willow Grove in May 1957 to take part in an air show. Upon arrival the aircraft was stricken from active duty. It was transferred to the Naval Reserve for use as a ground training aircraft, and eventually placed as a gate guard in front of the base on US Route 611. The airframe has only 326.3 hours total flight time. Currently undergoing cosmetic refurbishment for a return to display status.
  • 129685 - The aircraft collection of the late Walter Soplata in Newbury, Ohio.[15] Ex VA-12. Demilitarized and incomplete, it is exposed to the elements and unrestored

Specifications (F7U-3M)

Data from Naval Fighters Number Six[16]<, Jane's Encyclopedia of Aviation[17]

General characteristics
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  • Powerplant: 2 × Westinghouse J46-WE-8B after-burning turbojet engines, Script error: No such module "convert". thrust each dry, Script error: No such module "convert". with afterburner


  • Maximum speed: Script error: No such module "convert". at sea level with Military power + afterburner
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  • Thrust/weight: 0.29
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  • Guns: 4 20mm M3 cannon above inlet ducts, 180 rpg
  • Hardpoints: 4 with a capacity of 5,500 lb (2,500 kg),with provisions to carry combinations of:
    • Missiles: 4 AAM-N-2 Sparrow I air-to-air missiles

See also

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Aircraft of comparable role, configuration and era

Related lists


  1. ^ a b c d Angelucci 1987, p. 447.
  2. ^ LePage 2009, pp. 275–276.
  3. ^ Schick and Meyer 1997, p. 167.
  4. ^ O'Rourke, G.G, CAPT USN. "Of Hosenoses, Stoofs, and Lefthanded Spads." United States Naval Institute Proceedings, July 1968.
  5. ^ "The Jay T. Alkire - Charles Henry Faulkner Memorial Gallery." Retrieved: 18 March 2012.
  6. ^ "F7U Cutlass Ramp Strike." Retrieved: 5 October 2009.
  7. ^ a b Angelluci 1987, p. 448.
  8. ^ Powell 2008, p. 37.
  9. ^ a b Gunston 1981, p. 235.
  10. ^ "F7U Cutlass/128451." USS Midway Museum. Retrieved: 16 January 2015.
  11. ^ "F7U Cutlass/129554." Retrieved: 8 April 2015.
  12. ^ "F7U Cutlass/129565." USS Midway Museum. Retrieved: 29 October 2012.
  13. ^ "F7U Cutlass/129642." Wings of Freedom Aviation Museum. Retrieved: 16 January 2015.
  14. ^ "F7U Cutlass/129655." National Naval Aviation Museum. Retrieved: 16 January 2015.
  15. ^ "F7U Cutlass/129685" Retrieved: 16 January 2015.
  16. ^ Ginter, Steve (1982). Chance Vought F7U Cutlass. Naval Fighters. Number 6. California: Steve Ginter. ISBN 0 942612 06 X. 
  17. ^ Taylor 1993, pp. 253–254.
  • Angelucci, Enzo. The American Fighter. Sparkford, Somerset, UK: Haynes Publishing Group, 1987. ISBN 0-85429-635-2.
  • Ginter, Steve. Chance Vought F7U Cutlass (Naval Fighters Number Six). Simi Valley, California: Ginter Books, 1982. ISBN 0-942612-06-X.
  • Green, William and Gerald Pollinger. The Aircraft of the World. London: Macdonald, 1955.
  • Gunston, Bill. Fighters of the Fifties. Cambridge, UK: Patrick Stephens Limited, 1981. ISBN 0-85059-463-4.
  • Lepage, Jean-Denis G.G. Aircraft of the Luftwaffe, 1935-1945: An Illustrated Guide. Jefferson, North Carolina: McFarland & Company, 2009. ISBN 978-0-7864-3937-9.
  • Powell, R.R. "Boom". "Cutlass Tales". Flight Journal, Volume 13, Issue 4, August 2008.
  • Schick, Walter and Ingolf Meyer. Luftwaffe Secret Projects: Fighters, 1939-1945. Hinckley, UK: Midland Publishing, 1997. ISBN 978-1-8578-0052-4.
  • Taylor, John W. R. "Vought F7U Cutlass". Combat Aircraft of the World from 1909 to the Present. New York: G.P. Putnam's Sons, 1969. ISBN 0-425-03633-2.
  • Taylor, Michael J.H., ed. "Chance Vought F7U Cutlass". Jane’s Encyclopedia of Aviation. New York: Crescent, 1993. ISBN 0-517-10316-8.
  • Winchester, Jim, ed. "Vought F7U Cutlass". The World's Worst Aircraft: From Pioneering Failures to Multimillion Dollar Disasters. London: Amber Books Ltd., 2005. ISBN 1-904687-34-2.

External links