Westland F7/30
Designed to Air Ministry Specification F.7/30, for a day and night fighter the Westland F7/30 (Company designation Westland PV.4) first flew in 1934. Powered by the Rolls-Royce Goshawk evaporatively-cooled engine, it was armed with four .303 machine guns.
Flight testing in 1935 revealed a top speed of 146mph. This was significantly below the specifications 195mph requirement and 100mph slower than the eventual winner, the Gloster Gladiator.
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