Engineering:Morane-Saulnier MS.755 Fleuret

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MS.755 Fleuret
Morane-Saulnier MS.755 Fleuret 286-MP-par-05199.jpg
MS.755 Fleuret prototype at 1953 Paris International Air Show
Role Two-seat jet trainer
National origin France
Manufacturer Morane-Saulnier
First flight 29 January 1953
Number built 1
Developed into Morane-Saulnier MS.760 Paris

The Morane-Saulnier MS.755 Fleuret was a prototype French two-seat jet trainer designed and built by Morane-Saulnier. It failed to gain any orders but was developed into the larger four-seat MS.760 Paris.[1]

Development

The Fleuret was designed and built to compete in an order for the French Air Force for a two-seat jet trainer.[2] It was a side-by-side low mid-wing cantilever monoplane with a T-tail and powered by two 800 lbf (3.6kn) Turbomeca Marboré II turbojets.[1] The prototype with French test registration F-ZWRS first flew on 29 January 1953.[1] The aircraft was not ordered with the Air Force buying the Fouga CM.170 Magister instead and only one Fleuret was built.[2]

The Fleuret II an enlarged four-seat development was designed and produced as the MS.760 Paris.[1]

Indian Air Force tests

In March 1954, the sole prototype MS.755 was disassembled, crated and shipped to Begumpet Air Force Station, India, for tropical weather and trainer-suitability trials with the Indian Air Force.

The audio memoirs of IAF Wing Commander Donald George Michael detail how Morane-Saulnier's Chief Test Pilot, Monsieur Jean Cliquet, and a team of 4 or 5 technicians accompanied the aircraft.

The assigned IAF senior pilots were impressed with the MS.755 as a trainer, and ran a series of flight instruction tests where low time students with only 10 hours total flying experience transitioned to the jet and soloed with no problems. This led to further tests where zero-time students were taught to fly on the MS.755, and later on the two-place DH Vampire.

During a flight early in the program, the two IAF senior pilots caused concern with Morane-Saulnier personnel when they pulled 8.5 Gs out of a dive. This was a significantly higher loading than the factory test pilots had reached. The engines were immediately replaced with spares and sent to France for analysis, but it was determined that no damage had taken place to either the engines or the airframe.

The IAF tests of the MS.755 ended in June 1954 and the aircraft was then crated and shipped back to France.[3]

Specifications

Data from Jane's All The World's Aircraft 1953–54[4]

General characteristics

  • Crew: 2
  • Length: 9.70 m (31 ft 10 in)
  • Wingspan: 9.56 m (31 ft 4 in)
  • Height: 2.73 m (8 ft 11 in)
  • Wing area: 18.0 m2 (194 sq ft)
  • Aspect ratio: 5.12:1
  • Empty weight: 1,905 kg (4,200 lb)
  • Gross weight: 2,650 kg (5,842 lb)
  • Max takeoff weight: 3,050 kg (6,724 lb)
  • Fuel capacity: 680 L (180 US gal; 150 imp gal)
  • Powerplant: 2 × Turbomeca Marboré II turbojets, 3.9 kN (880 lbf) thrust each

Performance

  • Maximum speed: 720 km/h (450 mph, 390 kn) at 6,000 m (20,000 ft)
  • Range: 725 km (450 mi, 391 nmi) [5]
  • Service ceiling: 12,000 m (39,000 ft)
  • Rate of climb: 17.00 m/s (3,346 ft/min)
  • Takeoff distance to 15 m (50 ft): 735 m (2,411 ft)

Armament

  • Guns: 2× 7.5mm machine guns in nose
  • Rockets: 4× 3.5 in (89 mm) rockets
  • Bombs: 2× 50 kg (110 lb) bombs

See also

Related development

Aircraft of comparable role, configuration and era

Notes

  1. ↑ 1.0 1.1 1.2 1.3 Simpson 1991, page 215
  2. ↑ 2.0 2.1 Orbis 1982, page 2559
  3. ↑ Michael, Donald George. "The MS755 Fleuret Story". http://www.bharat-rakshak.com/IAF/history/1950s/1231-don-michael02.html. 
  4. ↑ Bridgman 1953, p. 143.
  5. ↑ Parmentier, Bruno. "Morane-Saulnier MS-755 'Fleuret'". aviafrance. http://www.aviafrance.com/aviafrance1.php?ID=1376&ID_CONSTRUCTEUR=931&ANNEE=0&ID_MISSION=0&MOTCLEF=. 

Bibliography

  • The Illustrated Encyclopedia of Aircraft (Part Work 1982–1985). Orbis Publishing. 
  • Bridgman, Leonard (1953). Jane's All The World's Aircraft 1953–54. London: Jane's All The World's Aircraft Publishing Company. 
  • Downey, John (1991). "First Generation". Air Enthusiast (44): 36–49. ISSN 0143-5450. 
  • Simpson, R.W. (1991). Airlife's General Aviation. England: Airlife Publishing. ISBN 1-85310-194-X. 

Further reading

  • Cuny, Jean (1989). Les avions de combat français, 2: Chasse lourde, bombardement, assaut, exploration. Docavia. 30. Ed. Larivière. OCLC 36836833. 
  • Galliard, Pierre; Parvaud, Pierre (November 1989). "Du Fleuret au Paris (1)" (in fr). Le Fana de l'Aviation (241): 30–39. ISSN 0757-4169. 
  • Galliard, Pierre; Parvaud, Pierre (December 1989). "Du Fleuret au Paris (2 et fin)" (in fr). Le Fana de l'Aviation (241): 14–25. ISSN 0757-4169. 
  • Lacaze, Henri; Lherbert, Claude (2013) (in fr). Morane Saulnier: ses avions, ses projets. Outreau, France: Lela Presse. ISBN 978-2-914017-70-1. 



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