(Breguet) 940 & 941 @·AIRCRAFTUBE

  • Breguet 941S Breguet 941S
    Breguet 941S
  • Breguet 940 "Intégral" Breguet 940 "Intégral"
    Breguet 940 "Intégral"
  • Short field landing Short field landing
    Short field landing
  • Breguet 941S Breguet 941S
    Breguet 941S
  • Breguet 940 "Integral" Breguet 940 "Integral"
    Breguet 940 "Integral"
  • Breguet 940 "Intégral" Breguet 940 "Intégral"
    Breguet 940 "Intégral"
  • Airfoil tests Airfoil tests
    Airfoil tests
  • Breguet 941S of the French Air Force at Berlin-Tempelhof Breguet 941S of the French Air Force at Berlin-Tempelhof
    Breguet 941S of the French Air Force at Berlin-Tempelhof
  • Breguet 940 - Flaps cinematics Breguet 940 - Flaps cinematics
    Breguet 940 - Flaps cinematics
  • Breguet 941 Breguet 941
    Breguet 941
  • The McDonnell 188 (Breguet 941-01) The McDonnell 188 (Breguet 941-01)
    The McDonnell 188 (Breguet 941-01)
  • Breguet 941 Breguet 941
    Breguet 941
  • Breguet 940 "Intégral" Breguet 940 "Intégral"
    Breguet 940 "Intégral"
  • Breguet 941 Breguet 941
    Breguet 941
  • McDonnell 188 - After the crash of american colonel Lindgard McDonnell 188 - After the crash of american colonel Lindgard
    McDonnell 188 - After the crash of american colonel Lindgard
  • Short field landing Short field landing
    Short field landing
  • Breguet 941 No.1 (1971) Breguet 941 No.1 (1971)
    Breguet 941 No.1 (1971)
  • The Breguet 941 prototype, in 1963 The Breguet 941 prototype, in 1963
    The Breguet 941 prototype, in 1963
  • 941-01 approach on Brussels<br>"Allée Verte" heliport 941-01 approach on Brussels<br>"Allée Verte" heliport
    941-01 approach on Brussels
    "Allée Verte" heliport
  • McDonnell 188 - Crash of colonel Lindgard McDonnell 188 - Crash of colonel Lindgard
    McDonnell 188 - Crash of colonel Lindgard
  • The McDonnell 188 (Breguet 941-01)<br>in front of the St. Louis factory The McDonnell 188 (Breguet 941-01)<br>in front of the St. Louis factory
    The McDonnell 188 (Breguet 941-01)
    in front of the St. Louis factory
  • Loads testing Loads testing
    Loads testing
  • The<br>941S The<br>941S
    The
    941S
  • Breguet 941S Breguet 941S
    Breguet 941S
  • The Breguet 940 "Intégral" The Breguet 940 "Intégral"
    The Breguet 940 "Intégral"
  • 941S (French Air Force) 941S (French Air Force)
    941S (French Air Force)
  • The 941S of the Paris Le-Bourget Air and Space Museum The 941S of the Paris Le-Bourget Air and Space Museum
    The 941S of the Paris Le-Bourget Air and Space Museum

Breguet 941

The Breguet 941 was a French four-engine turboprop STOL transport aircraft developed by Breguet in the 1960s. Although widely evaluated, it was not built in large numbers, with only one prototype and four production aircraft being built.

Design and development

In the late 1940s and early 1950s, the French aviation pioneer Louis Charles Breguet developed a concept for a Short Take Off and Landing (STOL) aircraft using four Free-turbine turboshaft engines to drive a common power shaft, which, in turn drove four oversize propellers, which were evenly spaced along the leading edge of the wing with large, full-span, slotted flaps, with the arrangement known as "l'aile soufflée" or blown wing.

An initial, experimental prototype, powered by four Turbomeca Turmo II engines, the Breguet 940 Integral, first flew on 21 May 1958, and was used to prove the concept, demonstrating excellent short field performance. This led to an order being placed in February 1960 for a prototype of an aircraft employing the same concept, but capable of carrying useful loads. This aircraft, the Breguet 941, first flew on 1 June 1961.

Testing of this prototype resulted in an order for four improved production aircraft, the Breguet 941S for the French Air Force, first flying on 19 April 1967. These were fitted with more powerful engines and a modified rear cargo door to allow for air-dropping of stores.

Br 942

Breguet intended to develop the 940 genre further by adding a pressurised fuselage with airline seating as the Breguet Br 942. Wings, undercarriage (landing gear), empennage and engines were essentially similar to the Br 941, but were to be mated to a new 3.1 m (10 ft 2 in) diameter circular section fuselage, with airline seating for 40 first/business class or up to 60 economy class passengers. After the limited success of the Br 941 and Br 941S and expected high running costs, further development was abandoned.

Operational history

The 941 prototype was tested extensively by both France, and the United States, where a license agreement had been consummated with McDonnell Aircraft. The prototype, known as the McDonnell 188 in the USA, was evaluated by both NASA and the US Military, but no orders were placed. Several photos of the McDonnell-Douglas 188 are on display at the Air Museum in San Diego, in American Airlines and Eastern Airlines liveries. The second Br 941S also carried out a tour of the United States, being evaluated as a STOL passenger airliner for operation from small city airports, although, again, no orders resulted. This aircraft demonstration activity included flights for Eastern Airlines in the northeast U.S.

The four Breguet 941S entered service with the French Air Force in 1967, continuing in service until 1974.

Variants

  • Breguet Br 940 Integral : Experimental prototype for concept demonstration, one built, powered by four 298.3 kW (400 hp) Turbomeca Turmo II turboshaft engines.
  • Breguet Br 941 : Prototype transport, one built, powered by four 913.5 kW (1,225 hp) Turbomeca Turmo IIID turboshaft engines.
  • Breguet Br 941S : Production version for the French Air Force, an enlarged version of the 941, 4 built, powered by four 1,081.3 kW (1,450 hp) Turbomeca Turmo IIID3 turboshaft engines.
  • Breguet Br 942 : The proposed airliner development to have had a pressurised fuselage with airline seating for 40 first/business class or up to 60 economy class passengers.
  • Breguet 945 : Studies for a smaller version of the Breguet 942, primarily for military use, for operation from 304.8 m (1,000 ft) length hot and high airstrips. Power was to be supplied by two 1,081.3 kW (1,450 hp) Turbomeca Turmo IIIDs and a payload of about 1,497 kg (3,300 lb) would be carried for more than 1,448.4 km (900 mi) at about 386.2 km/h (240 mph). Development of the 945 was not continued to production status.
    • McDonnell 188 : (later McDonnelll-Douglas 188) Proposed licence manufacture and development in the United States by the McDonnell Aircraft Corporation.

Operators

  • France : Armée de l'Air.

Survivors

  • The third Breguet 941S [941S-03] coded 62-NC was previously on display at the Parc Avenue amusement park in Lanas, France but has now moved to the Toulouse Aircraft Museum at Toulouse Blagnac Airport.
    • The fourth Br 941S [941S-04] coded 62-ND is stored with the Musée de l'Air et de l'Espace at the Dugny storage site on the far side of Paris Le Bourget Airfield.

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This text is available under the Creative Commons Attribution-ShareAlike License
Source : Article Breguet 941 of Wikipedia ( authors )

Specifications (Br 941S)

  • Crew : Two.
  • Capacity : 57 civil passengers or 40 fully loaded troops or 24 stretchers.
  • Length : 23.75 m (77 ft 11 in).
  • Height : 9.65 m (31 ft 8 in).
  • Wingspan : 23.40 m (76 ft 9¼ in).
  • Wing area : 83.8 m² (902 ft²).
  • Empty weight : 13,460 kg (29,610 lb).
  • Max. takeoff weight : 26,500 kg (58,422 lb).
  • Maximum speed : 450 km/h (240 kn, 280 mph).
  • Cruise speed : 400 km/h (220 kn, 250 mph).
  • Range : 1,000 km (540 nmi, 620 mi).
  • Service ceiling : 9,500 m (31,200 ft).
  • Take-off run : 185 m (607 ft) at 22,000 kg (48,500 lb).
  • Powerplant : Four Turbomeca Turmo IIID3 turboprop.
  • Power : 1,119 kW (1,500 hp) each.

— — — = = — — —

This text is available under the Creative Commons Attribution-ShareAlike License
Source : Article Breguet 941 of Wikipedia ( authors )
Breguet 940 - Breguet 941 - McDonnell Douglas 188 : Your comments on this subject
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