/ Gloster Gladiator
The Gloster Gladiator was a British-built biplane fighter.
It was used by the RAF and the FAA as the Sea Gladiator, it was also exported to a number of other air forces during the late 1930s.
Version powered by a single 840 hp (630 kW) Bristol Mercury IX air-cooled radial piston engine.
The aircraft was designated
in Swedish Air Force service.
Delivered 1937–38, 378 built.
Version powered by a single Bristol Mercury VIIIA air-cooled radial piston engine.
The aircraft was designated J 8A in Swedish Air Force service.
Delivered 1938–39, 270 built.
Sea Gladiator Interim
Single-seat fighter biplane for the Royal Navy, 38 modified Gladiator II aircraft.
Fitted with arrestor hooks.
Single-seat fighter biplane for the Royal Navy, 60 built.
Fitted with arrestor hooks and provision for dinghy stowage.
27 ft 5 in (8.36 m)
32 ft 3 in (9.83 m)
11 ft 9 in (3.58 m)
323 sq ft (30.0 m2)
3,217 lb (1,459 kg)
4,594 lb (2,084 kg)
1 × Bristol Mercury IX 9-cylinder air-cooled radial piston engine, 830 hp (620 kW)
3-bladed fixed-pitch metal propeller
253 mph (407 km/h, 220 kn) at 14,500 ft (4,420 m)
210 mph (340 km/h, 180 kn)
53 mph (85 km/h, 46 kn)
32,800 ft (10,000 m)
Rate of climb
2,300 ft/min (12 m/s)
Time to altitude
10,000 ft (3,048 m) in 4 minutes 45 seconds
Two synchronised .303 in Vickers machine guns in fuselage sides, two .303 in Lewis machine guns; one beneath each lower wing.
Four .303 calibre M1919 Browning machine guns; two synchronised guns in fuselage sides and one beneath each lower wing.
On at least some Sea Gladiators, provision existed for a pair of Brownings to be fitted under the upper wings as well, bringing the total to six.
Official service release trials were not completed before the Sea Gladiators were replaced by later types, although some upper wing Brownings may have been fitted in the field, in particular in Malta.
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