Vickers 121 Wibault Scout
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Vickers 121 Wibault Scout

Following the establishment in the UK on 8 June 1925 of Wibault Patents Limited as a subsidiary of Vickers and controlling Michel Wibault's light alloy aircraft manufacturing patents, Vickers began, in November 1925, to manufacture a series of WIB fighters against a contract obtained from Chile. The Vickers-built WIB 7 all-metal single-seat fighter, assigned the designation Type 121 and referred to as the Wibault Scout, differed from the standard French model in a number of respects. As a prototype of the Type 121, Wibault re-engined a standard aircraft with a 455hp Bristol Jupiter VI nine-cylinder radial and fitted a Vickers oleo-pneumatic undercarriage, this aircraft being ferried to the UK in February 1926. Further modifications were introduced by Vickers, including the provision of stronger wing bracing struts, and the first Vickers-built Wibault Scout was flown at the end of June 1926, this being provided with an armament of two synchronised 7.7mm Vickers machine guns. This, the first fighter to be built against a Chilean contract for 26 aircraft, was lost when its pilot was unable to extricate it from a spin, a replacement subsequently being produced. Deliveries to the air component of the Chilean Army began in November 1926, Wibault Scouts equipping escuadrillas within the Grupo Mixto de Aviacion 1 at El Bosque. The fighters were freighted to Valparaiso in small batches as and when Chilean payments were forthcoming, the last of the batch being dispatched in October 1927. The Wibault Scouts proved somewhat unsatisfactory in Chilean service, several being lost in accidents - one, at least, as a result of shedding a wing in the air - but the type remained at least nominally in service with the Fuerza Aerea de Chile from that service's establishment in March 1930 until late-1934. The original Jupiter-engined WIB 7 was returned to its manufacturer in France for use as a demonstrator and no further examples were built by Vickers.

Vickers 121 Wibault ScoutA three-view drawing (800 x 785)

    Take-off weight1347 kg2970 lb
    Empty weight871 kg1920 lb
    Wingspan11.00 m36 ft 1 in
    Length7.21 m24 ft 8 in
    Height3.50 m12 ft 6 in
    Wing area22.00 m2236.81 sq ft
    Max. speed232 km/h144 mph
    Ceiling7010 m23000 ft
    Range483 km300 miles

loupan, 20.06.2011

France for use as a demonstrator and no further examples were built by Vickers.

, 20.06.2011

Vickers 121 Wibault Scout

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