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Brochet MB.70

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1950s French light aircraft
MB.70 Series
The Brochet MB.76 at Chavenay airfield near Paris in June 1967
General information
TypeSports plane
ManufacturerBrochet
Designer Maurice Brochet
Number built8
History
First flight28 January 1950

The Brochet MB.70 was a two-seat light aircraft developed in France in the early 1950s for recreational flying and amateur construction.

Design and development

It was a high-wing braced monoplane of conventional configuration that seated the pilot and passenger in tandem within a fully enclosed cabin. It was fitted with fixed tailwheel undercarriage layout and was of all-wooden construction. Progress was hastened by the publication of a Service de l'Aviation Légère et Sportive requirement for a new light aircraft for French aeroclubs, and a series of development machines were built with a variety of different engines, eventually leading to the definitive Brochet MB.80.

Variants

  • MB.70 - prototype powered by Salmson 9Adb radial (1 built)
  • MB.71 - version with Minié 4.DC.32 engine (1 built)
  • MB.72 - version with Continental A65 horizontally opposed four-cylinder engine (5 built)
  • MB.73 - version with Continental A65-85 horizontally opposed four-cylinder engine (1 converted from the MB.70)
  • MB.76 - version with Continental C90-14F horizontally opposed four-cylinder engine (1 built)

Units using this aircraft

Private and club pilots

Specifications (MB.72)

Data from The Aircraft of the World

General characteristics

  • Crew: One pilot
  • Capacity: 1 passenger
  • Length: 6.50 m (21 ft 4 in)
  • Wingspan: 10.52 m (34 ft 6 in)
  • Height: 2.49 m (8 ft 2 in)
  • Wing area: 14.0 m (151 sq ft)
  • Empty weight: 372 kg (820 lb)
  • Gross weight: 570 kg (1,257 lb)
  • Powerplant: 1 × Continental A65 , 48 kW (65 hp)

Performance

  • Maximum speed: 163 km/h (101 mph, 88 kn)
  • Cruise speed: 140 km/h (90 mph, 78 kn)
  • Rate of climb: 4.0 m/s (780 ft/min)

References

Notes
  1. de Narbonne January 2010, p. 79
  2. Simpson, 2005, p.71
  3. Green and Pollinger 1965, p. 38
Bibliography
  • Green, William; Pollinger, Gerald (1965). The Aircraft of the World (3rd ed.). London: Macdonald & Co. (Publishers).
  • de Narbonne, Roland (January 2010). "Janvier 1950, dans l'aéronautique française: Et le gagnant est...un planeur". Le Fana de l'Aviation (in French). No. 482. pp. 75–79.
  • Simpson, Rod (2005). The General Aviation Handbook. Midland Publishing. ISBN 1-85780-222-5.
  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 215.
  • World Aircraft Information Files. London: Bright Star Publishing. pp. File 890 Sheet 99.


Aircraft designed by Maurice Brochet
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