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Hawker Hart

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The Hart bomber would be one of the most important inter-war aircraft for the Royal Air Force as its superiority over fighters of the time would lead to more modern monoplane aircraft. Seeing limited service in World War 2 in the Middle East the Hawker Hart would also be used as an engine test bed.

Quick Facts
Sorry, no image available
First flight
June 1928
Entered service
1930
Total built
1,004

Front view
Hart front view photo
Side view
Hart side view photo
Rear view
Sorry, no view photo available

With the Air Ministry looking for a new day bomber Specification 12/26 was issued in May 1926 which called for a two-seater aircraft with a top speed of 160 mph, unheard of at the time. Sydney Camm would take up the challenge of designing Hawker's aircraft, with three other aircraft also being considered. The Avro Antelope, de Havilland Hound and a new version of the Fairey Fox IIM. Powered by the Rolls-Royce F.XIB, which was to become known as the Kestrel, Hawker submitted their design in December 1926.

When in June 1928 the Hart prototype made its maiden flight it comfortably beat the performance requirement of 160 mph as it had a top speed of 184 mph. This would pose the Royal Air Force with a problem, although the Hart was faster than other bombers, upto 50 mph in some cases, it was also faster than the Gloster Gamecock fighter with a top speed of 155 mph and it newest fighter, still in development, the Bristol Bulldog which had a top speed of 174 mph. During 1931 further proof of the Hart's superiority over other RAF aircraft was shown during yearly air exercises when the type was able to carry out attacks with hardly any interference from other aircraft. It was only when No. 23 Squadron operating Hart fighters arrived was an adequate defence put up.

The sub plot to the Hart's entry into service in January 1930 was that it made the Royal Air Force speed up development of the Hawker Fury fighter in the short term, but also think about the next generation of aircraft. This would lead to aircraft of monoplane design, most notably the Hawker Hurricane and Supermarine Spitfire, which would provide the RAF with the modern fighters it desperately needed when war broke out in September 1939.

By the time the Second World War started Hart bombers had already been out of front line service in the UK since the previous year. However they would see action in the Middle East until newer aircraft like the Bristol Blenheim slowly phased them out of service. The Hart would still be used as they served as communication aircraft until 1943.

One of the most successful inter-war years aircraft the Hart provided the basis for at least another six Hawker aircraft including the Demon and Hind. The aircraft would also prove useful for allowing engines to be tested by their manufacturers with the Britsol Mercury, Napier Dagger and Rolls-Royce Merlin just three engines tested on the Hart.

When production of the aircraft ceased 1,004 had been built including 42 examples which were built in Sweden and used by the Swedish Air Force.



Variants

Click on the aeroplane image to view a larger version.

Max Speed Range Service Ceiling Armament
Hart Mk I 184 mph 470 miles 21,350 ft one 0.303-in machine-gun
one 0.303-in Lewis gun
520lb of bombs
Hart Trainer 168 mph 430 miles 22,800 ft none



Photos





On Display

(C) = Cockpit only exhibit. (F) = Fuselage only exhibit. (R) = Remains of an aircraft.

Variant Location
Hart Mk II Royal Air Force Museum, London
Hart Trainer

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