Gastambide-Mengin monoplane

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Gastambide-Mengin / Antoinette II
Role Experimental monoplane
Manufacturer Antoinette
Designer Leon Levavasseur
First flight 8 February 1908
Number built 1

The Gastambide-Mengin monoplane (later Gastambide-Mengin I, Gastambide-Mengin II and Antoinette II) was an early French experimental aircraft designed by Leon Levavasseur and was the first aircraft built by the Antoinette company.[1] The name came from Jules Gastambide who financed the company and Gabriel Mengin, the aircraft engineer.[2]

Design and development[edit]

The monoplane (later known as the Gastambide-Mengin I) was powered by a 50 hp (37 kW) Antoinette piston engine driving a tractor propeller.[1] It was noted for having a complex quadricycle landing gear.[1] The monoplane made four flights between 8 and 14 February 1908 flown by a mechanic named Boyer, the furthest being a flight of 150m.[1] After these flights the aircraft was rebuilt between February and August 1908 as the Gastambide-Mengin II (later named the Antoinette II), the modifications including revised, trailing edge-hinged triangular ailerons.[1] The modified aircraft made three short flights in August 1908, one of these on 21 August 1908 being the first circle flown by a monoplane, and on a flight the previous day (20 August 1908) Robert Gastambide became the first passenger flown in a monoplane.[1] With lessons learnt from the design Levavasseur went on to design a family of monoplanes named after Antoinette Gastambide, the daughter of Jules Gastambide.[1]


Data from [1][2]

General characteristics

  • Crew: one
  • Length: 7.9 m (25 ft 11 in)
  • Wingspan: 10 m (32 ft 10 in)
  • Wing area: 24 m2 (260 sq ft)
  • Max takeoff weight: 350 kg (772 lb)
  • Powerplant: 1 × Antoinette 8V V-8 water-cooled piston engine, 37 kW (50 hp)
  • Propellers: 2-bladed Levavasseur paddle bladed propeller


  • The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing.