Early in 1940 the Air Ministry issued Specification F.4/40 calling for a two-seat, high-altitude interceptor to counter the threat posed by high flying reconnaissance Junkers Ju 86 P.
To meet this requirement, Hawker proposed the project P.1004, a 25 per cent scaled-up version of the Typhoon with a second crewman, pressurised cockpit and six wing-mounted Hispano cannons.
Early 1941 the Specification was revised as F.7/41 and the P.1004 was dropped in favour of the Westland Welkin.
P.1004 technical data
Power plant: One Napier Sabre Mk 1 S.M, 24 cylinder ‘H’, liquid cooled engine, rated at 1,850 hp, driving one de Havilland three-bladed constant-speed airscrew, wingspan: 52 ft (15.8 m), length: 39 ft (11.9 m), wing surface: 405 sq.ft (37.7 sq.m), estimated maximum weight: 13,930 lbs (6,319 kg) with 283 gal. fuel, estimated maximum speed: 380 mph (611 kph), estimated ceiling: 37,000 ft (12,280 m), rate of climb: 2,250 ft/min, armament: six wing-mounted 20 mm Hispano Mk.II cannons.
To meet this requirement, Hawker proposed the project P.1004, a 25 per cent scaled-up version of the Typhoon with a second crewman, pressurised cockpit and six wing-mounted Hispano cannons.
Early 1941 the Specification was revised as F.7/41 and the P.1004 was dropped in favour of the Westland Welkin.
P.1004 technical data
Power plant: One Napier Sabre Mk 1 S.M, 24 cylinder ‘H’, liquid cooled engine, rated at 1,850 hp, driving one de Havilland three-bladed constant-speed airscrew, wingspan: 52 ft (15.8 m), length: 39 ft (11.9 m), wing surface: 405 sq.ft (37.7 sq.m), estimated maximum weight: 13,930 lbs (6,319 kg) with 283 gal. fuel, estimated maximum speed: 380 mph (611 kph), estimated ceiling: 37,000 ft (12,280 m), rate of climb: 2,250 ft/min, armament: six wing-mounted 20 mm Hispano Mk.II cannons.
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