| The Avocet was designed to the requirements of Specification
17/25, which, issued in June 1926, called for an
all-metal stressed-skin shipboard fighter with interchangeable
wheel and float undercarriages and
powered by a 180hp Armstrong Siddeley Lynx IV nine-cylinder
air-cooled radial engine. Two prototypes were
ordered, these being identical apart from the vertical
tail surfaces, but for manufacturer's trials the first prototype
was completed as a landplane and the second prototype as a twin-float seaplane, these flying respectively
in December 1927 and April 1928. The second prototype
was also fitted with a land undercarriage in June
1928. Armament comprised two 7.7mm Vickers
machine guns synchronised to fire through the propeller
disc. Performance of the Avocet during evaluation
at Martlesham proved unspectacular and no
production order was placed.
 | A three-view drawing (600 x 494) |
WEIGHTS |
Take-off weight | 1132 kg | 2496 lb |
Empty weight | 735 kg | 1620 lb |
DIMENSIONS |
Wingspan | 8.84 m | 29 ft 0 in |
Length | 7.46 m | 25 ft 6 in |
Height | 3.56 m | 12 ft 8 in |
Wing area | 28.61 m2 | 307.96 sq ft |
PERFORMANCE |
Max. speed | 214 km/h | 133 mph |
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