Sud-Ouest S.O.4000
1951
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Sud-Ouest S.O.4000

The SO.4000 was France's first jet-bomber design and was preceded by two scale models, the SO.M-1 and SO.M-2. The first, a glider, was launched from a He 274 parent aircraft; the other was powered by a Rolls-Royce Derwent turbojet. The SO.4000 first flew on 16 March 1951 (it should have flown in 1950, but its complex undercarriage collapsed during taxi trials). Its flying characteristics were bad and it was seriously underpowered. As a consequence, there were no further test flights and the aircraft was abandoned. The SO.4000's twin turbojets were mounted side by side in the centre fuselage, exhausting below the vertical tail surfaces. It was to have had two remotely controlled 20mm cannon, mounted in wingtip barbettes.

3-View 
Sud-Ouest S.O.4000A three-view drawing (950 x 560)


Specification 
 ENGINE2 x 2265kg Hispano-Suiza Nene 102 turbojets
 WEIGHTS
    Take-off weight21975 kg48447 lb
 DIMENSIONS
    Wingspan17.87 m59 ft 8 in
    Length16.72 m55 ft 10 in
 PERFORMANCE
    Max. speed849 km/h528 mph
 ARMAMENT2 x 20mm cannon

Comments
Paul Scott, 25.07.2016

Interesting-looking 'plane from France.

laozhu, 21.06.2011

It was to have had two remotely controlled 20mm cannon, mounted in wingtip barbettes.

, 21.06.2011

Sud-Ouest S.O.4000

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