H.King Armament of British Aircraft (Putnam)
Type H. Answering to the same requirements as the Beardmore W.B.IV, this 'ship's fighter', or 'seaborne scout' as the makers called it, was built in 1917. It had a fixed Vickers gun mounted on the fuselage to port (250 rounds), and a Lewis gun above the centre-section (three 97-round drums).
W.Green, G.Swanborough The Complete Book of Fighters
MANN EGERTON Type H UK
The first original design produced by Mann Egerton and Company, which had previously manufactured various aircraft types under licence, the Type H single-seat shipboard fighter was designed by J W Carr to Specification N.la. Powered by a 200 hp Hispano-Suiza 8Bd eight-cylinder water-cooled engine, the Type H was an equi-span unstaggered two-bay biplane armed with a single fixed 0.303-in (7,7-mm) Vickers gun mounted to port on the fuselage and a Lewis gun of similar calibre mounted above the wing centre section. The wings could be folded manually and the first prototype had a large, flush-fitting float attached to the underside of the fuselage. In addition, flotation chambers were included in the fuselage, and the undercarriage, which was attached to the underside of the float, could be jettisoned in the event that the aircraft was forced to alight on water. Flight testing of the first prototype commenced in the autumn of 1917, but the aircraft failed flotation testing and was therefore considered unacceptable. The second prototype differed in having inflatable flotation bags in place of the fixed float, a more conventional undercarriage and a horn-balanced rudder. This aircraft underwent official testing during December 1917, but the Type H was not accepted for service use and further development was discontinued. The following data relate specifically to the second prototype.
Max speed, 113 mph (182 km/h) at 6,500 ft (1 980 m).
Time to 6,500 ft (1 980 m), 6.45 min.
Endurance, 3.25 hrs.
Empty weight, 1,760 lb (798 kg).
Loaded weight, 2,326 lb (1055 kg).
Span, 30 ft 9 in (9,37 m).
Length, 21 ft 11 in (6,68 m).
Height, 8 ft 11 1/2 in (2,73 m).
Wing area, 310 sq ft (28,80 m2).