Hart Family: Hawker, Hart and Derivatives
Hart Family: Hawker, Hart and Derivatives (Aeroguide Classics 5) By Raymond Laurence Rimell
Publisher: Linewrights 1989 | 36 Pages | ISBN: 0946958343 | PDF | 26 MB
Publisher: Linewrights 1989 | 36 Pages | ISBN: 0946958343 | PDF | 26 MB
Quite simply the Hawker Hart was a great aeroplane, perhaps the greatest to serve with the RAF in the peacetime years between the end of one world war and the beginning of another. When the Hart first appeared in 1928 its performance was such an improvement over previous aeroplanes of its classification that it became the outstanding warplane of its day. Designed by Hawker's gifted chief designer Sydney Camm, the Hart had its origins in Air Ministry Specification 12/26 for a day bomber to replace the DH9A, a 'Great War' veteran, the specified power-plant being the new Rolls-Royce 12-cylinder F.1 engine. Camm lost little time in preliminary design work, and a full-sized mock-up soon appeared at Hawker's Canbury Park Road factory in Kingston. The Hawker tender was submitted in early 1927, by which time Rolls-Royce engineers had developed a radically different F.1 with a greatly improved power-to-weight ratio. With the new engine (later named Kestrel) expected to develop almost 500hp, Camm forecast a top speed of almost 180mph for his new aeroplane.
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