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Morane-Saulnier AC (MoS 23)

Differing from earlier single-seat Morane-Saulnier shoulder-wing monoplanes essentially in having ailerons for lateral control rather than utilising wing warping and in employing rigid wing bracing, the Type AC appeared in the autumn of 1916. Powered by either the 110 hp Le Rhóne 9J or 120 hp Le Rhóne 9JB nine-cylinder rotary engine and carrying a single synchronised 7,7-mm gun, the Type AC was aerodynamically clean by contemporary standards, its fuselage being faired to a circular cross section. Thirty production aircraft were ordered for the Aviation Militaire, deliveries commencing late 1916. Although of advanced design and possessing a good performance, the Type AC was considered inferior to the SPAD 7, and, in consequence, was not adopted in quantity. Two examples were supplied to the UK for RFC evaluation.

Max speed, 111 mph (178 km/h) at sea level
Time to 6,560 ft (2 000 m), 5.92 min
Endurance, 2.5 hrs
Empty weight, 959 lb (435 kg)
Loaded weight, 1,451 lb (658 kg)
Span, 32 ft 1 4/5 in (9,80 m)
Length, 23 ft 1½ in (7,05 m)
Height, 8 ft 11½ in (2,73 m)
Wing area, 161.46 sq ft (15,00 sq.m)

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