The design of
the Gloster Grouse was an experiment to combine the advantages of the
monoplane with those of a biplane. It was designed by H.P. Folland, the
father of the famous S.E.5 and other excellent aircraft. The top wing had
a large area with a great lift, while the bottom wing was smaller, thinner
and with only a slight angle of attack. The fuselage was rather short.
The idea was that the top wing would give a good
lift at start and landing. At higher speeds, the small bottom wing would
contribute to give flying performances similar to those of a monoplane,
without the span being increased.
The aircraft showed really some advantages during its service. It was
compact and had very good manoeuvrability. Still it was no commercial
success for Gloster.
The Gloster Grouse was never in service at the RAF. The Swedish Army
Aviation Company ordered a two-seat Gloster Grouse II as an advanced
trainer. The aircraft was delivered just a short time before the Swedish
Air Force was founded in the summer of 1926. The aircraft was registered
as G-EAYN at the delivery. Now it got the Swedish Air Force number 62 and
the aircraft type got the designation Ö 3. It was based at Wing F 3 at
Malmen until 1929, when it was written off due to wear. During its time in
Sweden, it only flew 109 hours. The pilots were impressed of the good
performance of the aircraft, but no more Gloster Grouses were provided to
the Air Force. The single Ö 3 was written off in 1929.
The Ö 3 never carried any arms. It was powered by a 7-cylinder Armstrong
Siddeley Lynx radial engine of 125 hp.
Photos from the late engineer Erik Svensson,
Ljungskile, who made his military service in the Swedish Air Force in the
late 1920's.
Length: 6,19 m. Span: 8,47 m. MTOW: 965 kg. Max. speed: 193 km/h.
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