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  Bernard SIMB AB 10
The Bernard SIMB AB 10 or Bernard SIMB AB 10 C 1 single-seat fighter (the AB in this name stood for Adolphe Bernard and C for chasseur - English: fighter - with 1 indicating single-seat), was an all-metal aircraft with straight-edged, slightly tapered wings which had straight wing tips tips rounded at the leading edge designed by Jean Hubert. Ailerons extended to the tips. The tail surfaces had straight swept leading edges but had rounded trailing edges on the control surfaces. The tailplane was mounted on top of the fuselage and the rudder extended to the bottom of the fuselage, moving between separate elevators.
Its fuselage, rounded in cross-section, tapered to the rear and curved down forwards over the engine to the low-mounted two-blade propeller. The open cockpit, with a brief, faired headrest, was placed over the middle of the wing. It had a conventional undercarriage with a pair of single mainwheels and a tailskid, but the mainwheel mounting was unusual, a wide-chord faired inverted T-shaped pylon. The engine was a 224 kW (300 hp) Hispano-Suiza V-8, cooled by a pair of Lamblin radiators placed horizontally side by side below the fuselage.
During its development the AB-C.1 was displayed at the Paris Aero Show in December 1922, though without its radiators. Over twenty months passed before the first flight of what became the SIMB AB 10. In this period the wing structure was revised and the span extended by 800 mm (2.6 ft) with more squared-off tips. The fin area was increased with a curved leading edge and the elevator trailing edge straightened. The SIMB AB 10 had its radiators close to each other, vertical and side by side, just ahead of the central undercarriage member. A late alteration braced the faired axle with vertical V-form struts on each side.
It flew in August 1924, piloted by Florentin Bonnet, but it was judged too radical and expensive and no production order was awarded. Only the one was built.  
Engine: 1 × Hispano-Suiza 8Fb V-8, 220 kW (300 hp)
Propellers: 2-bladed
Wingspan: 11.00 m (36 ft 1 in)
Wing area: 19.20 m2 (206.7 sq ft)
Length: 7.00 m (23 ft 0 in)
Height: 2.75 m (9 ft 0 in)
Gross weight: 1,350 kg (2,976 lb)
Maximum speed: 245 km/h (152 mph; 132 kn)
Service ceiling: 6,000 m (19,685 ft)
Crew: 1

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