| In July 1924, Gloucestershire Aircraft began work on an
improved Grebe single-seat fighter to Specification
37/23 and intended to be powered by the 398hp Bristol
Jupiter IV nine-cylinder radial engine. Of wooden construction
with fabric skinning and retaining the then-standard armament of two synchronised 7.7mm Vickers guns, and to receive the appellation of
Gamecock, the prototype was delivered to Martlesham
Heath on 20 February 1925. In the following September,
an initial order was placed on behalf of the RAF for 30
Gamecock Is powered by the 425hp Jupiter VI. In the
event, a further 60 Gamecock Is were built for the RAF
(1925-27), one of these (unofficially known as the Gamecock
III) at one time flying with a lengthened fuselage,
new and enlarged fm-and-rudder assembly and narrow-chord ailerons. A developed version, the Gamecock
II, with a steel-tube upper wing centre section,
narrow-chord ailerons and a larger rudder, appeared in
1928. This was adopted by Finland, two pattern aircraft
and a manufacturing licence being acquired. Fifteen
Gamecock IIs were built for the Finnish air arm 1929-30
by the State Aircraft Factory (Valtion Lentokonenetehdas),
these having the lengthened fuselage tested
earlier in the UK by the so-called Gamecock III and
being powered initially by the 420hp Gnome-Rhone
Jupiter (IV) 9Ab or 9Ak and later by the 480hp Jupiter
(IV) 9Ag. The last Gamecock Is were withdrawn from
first-line RAF service mid-1931, Gamecock IIs remaining
first-line Finnish equipment until 1935.
MODEL | Gamecock Mk I |
ENGINE | 1 x Bristol Jupiter VI, 317kW |
WEIGHTS |
Take-off weight | 1299 kg | 2864 lb |
Empty weight | 875 kg | 1929 lb |
DIMENSIONS |
Wingspan | 9.08 m | 30 ft 9 in |
Length | 5.99 m | 20 ft 8 in |
Height | 3.06 m | 10 ft 0 in |
Wing area | 34.63 m2 | 372.75 sq ft |
PERFORMANCE |
Max. speed | 249 km/h | 155 mph |
Ceiling | 6705 m | 22000 ft |
ARMAMENT | 2 x 7.7mm forward-firing machine-guns |
 | A three-view drawing (800 x 607) |
Rajvinder Kaur, e-mail, 03.10.2016 18:45 Very good detailed infomation reply | Ray Marple, e-mail, 19.07.2013 03:24 I am building a model at present and like to know colours and undercarridge configuration reply | huaren, 21.06.2011 05:13 trying to find images of the airplane, to build an R /C model..cheers reply | norris barnes, e-mail, 27.05.2011 04:10 i think it is a beautiful aircraft.i live in trion ga usa. reply |
| frank balkus, e-mail, 25.10.2009 17:38 I was surprised after all these years to learn it is actually a British airplane, I have been scouring Japanese textbooks, trying to find images of the airplane, to build an R /C model..cheers reply |
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