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Gloster Gauntlet

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Gauntlet
An ex-Finnish Air Force Gloster Gauntlet Mk II, GT-400, taking off at Selänpää Airfield, 2008
Role Fighter
National origin United Kingdom
Manufacturer Gloster Aircraft
First flight Template:Avyear
Introduction Template:Avyear
Retired Template:Avyear
Primary users Royal Air Force
Finland
Denmark
Produced 1933–1936
Number built 246
Developed from Gloster S.S.19B
Variants Gloster Gladiator

The Gloster Gauntlet was a British single-seat biplane fighter of the RAF, designed and built by Gloster Aircraft in the 1930s. It was the last RAF fighter to have an open cockpit and the penultimate biplane fighter in service.

Design and development

The Gloster S.S.18 first flew in January 1929. The Gauntlet was a development of the Gloster S.S.19B design, which originally mounted six machine guns (four in the wings and two in the fuselage), the original S.S.19 prototype being re-engined with a Bristol Mercury VIs engine, first flying in this form in 1933.[1][2] On testing the S.S.19, the Air Ministry placed an order for 24 aircraft in September 1933, to be named Gauntlet.[2]

The order was followed up with more for the revised Gauntlet Mk. II. This new model used a revised construction method based on that used by Hawker following Hawker's takeover of Gloster, as this was much easier to build and repair than Gloster's welded structure.[2] A total of 204 Mk IIs were produced in the UK.

J9125 as the Gauntlet predecessor S.19A in December 1932: Jupiter VIIF engine
J9125 as the Gauntlet predecessor S.19B in May 1933: Mercury VIs engine

Operational history

The Gauntlet Mk. I first entered service with No 19 Squadron at RAF Duxford in May 1935. The Gauntlet proved successful and popular in operational service, being 56 mph (90 km/h) faster than the aircraft it replaced, the Bristol Bulldog, to form the main part of the RAF's fighter strength.[2] The Gauntlet was the fastest aircraft in the RAF from 1935 to 1937.[3]

The Gauntlet Mk II entered service with 56 Squadron and 111 Squadron in May 1936, a further six squadrons being re-equipped with the Gauntlet by the end of the year.[2] At the height of its career, the Gauntlet equipped a total of 14 Squadrons of RAF Fighter Command.[3] No. 32 (The Royal) Squadron RAF Gauntlets were used in early trials of ground direction of fighters by radar.[2]

As more advanced fighters, such as the Gloster Gladiator, Hawker Hurricane and Supermarine Spitfire started to re-equip the Gauntlet squadrons in 1936 and 1937, the Gauntlets were passed on to freshly formed units as their first equipment to allow them to gain training before receiving more modern fighters. Gauntlets were also shipped to the Middle East, equipping three RAF squadrons.

All home-based Gauntlet squadrons had re-equipped with more modern fighters by the start of the Second World War,[citation needed] but remained in service in the Middle East for longer, with a flight of Gauntlets remaining in service with No.3 Sqn RAAF in the Middle East when Italy declared war in 1940. These were briefly used for ground-attack operations against the Italians before being retired from operations owing to maintenance problems.[4] Gauntlets continued in use for meteorological flights until 1943.[2]

Seventeen Gauntlets IIs were licence-produced in Denmark,[5] while 25 ex-RAF machines were supplied by South Africa as support to Finland in 1940 as a result of the Winter War. Already obsolete, they were used as advanced trainers by the Finns.[6] The Finnish nickname for the Gauntlet was Kotletti (literally "cutlet").

Variants

  • SS.18 : Single-seat prototype. The aircraft was fitted with a 450-hp (336-kW) Bristol Mercury IIA radial piston engine.
  • SS.18A : The SS.18 was fitted with a 480 hp (358 kW) Bristol Jupiter VIIF radial piston engine.
  • SS.18B : The SS.18 was later fitted with a 560 hp (418 kW) Armstrong Siddeley Panther III radial piston engine.
  • SS.19 : Single-seat prototype; fitted with a Bristol Jupiter radial piston engine.
    Gloster SS.19 photo from L'Aerophile May 1932
  • SS.19A : The SS.19 was later fitted with two wheel spats and a single spatted tailwheel.
  • SS.19B : Single-seat prototype; fitted with a 536 hp (400 kW) Bristol Jupiter VIS radial piston engine.
  • Gauntlet Mk I : Single-seat fighter aircraft for the RAF; 24 built.
  • Gauntlet Mk II : Single-seat fighter aircraft; modified version of the Gauntlet Mk I; 221 built.

Operators

 Australia

 Denmark

 Finland

 Southern Rhodesia

 South Africa

Surviving aircraft

Gloster Gauntlet in Kauhava, Finland at Midnight Sun Airshow 2006

As of 2008, the only airworthy Mk II in the world, GT-400, is registered in Finland where it spends its summers in Kymi Airfield Aviation Museum near Kotka.

Specifications (Gauntlet Mk II)

Data from Gloster Aircraft since 1917[7]

General characteristics

  • Crew: 1
  • Length: 26 ft 5 in (8.05 m)
  • Wingspan: 32 ft 9.5 in (9.995 m)
  • Height: 10 ft 3 in (3.12 m)
  • Wing area: 315 sq ft (29.3 m2)
  • Empty weight: 2,770 lb (1,256 kg)
  • Gross weight: 3,970 lb (1,801 kg)
  • Powerplant: 1 × Bristol Mercury VI S2 9-cylinder air-cooled radial piston engine, 645 hp (481 kW)
  • Propellers: 2-bladed fixed-pitch propeller

Performance

  • Maximum speed: 230 mph (370 km/h, 200 kn) at 15,800 ft (4,816 m)
  • Range: 460 mi (740 km, 400 nmi)
  • Service ceiling: 33,500 ft (10,200 m)
  • Rate of climb: 2,300 ft/min (12 m/s)
  • Time to altitude: 20,000 ft (6,096 m) in 9 minutes
  • Wing loading: 12.6 lb/sq ft (62 kg/m2)
  • Power/mass: 0.162 hp/lb (0.266 kW/kg)

Armament

See also

Related development

Aircraft of comparable role, configuration, and era

Related lists

References

Notes
  1. ^ "New Fighting Plane Carries Six Guns." Popular Science, June 1931, bottom of p. 52.
  2. ^ a b c d e f g Mason 1992
  3. ^ a b Thetford 1957.
  4. ^ Herington, John. Australia in the War of 1939–1945. Series 3 – Air, Volume III – Air War Against Germany and Italy, 1939–1943(Australian Official Histories – Second World War). Canberra: Australian War Memorial, First Edition 1957. Retrieved: 3 April 2007. Note: Chapter 3, First Libyan Campaign.
  5. ^ Wixey 1981, p. 17.
  6. ^ Mondey 1994, p. 111.
  7. ^ James 1971, p. 184.
Bibliography
  • Crawford, Alex. Bristol Bulldog, Gloster Gauntlet. Redbourn, UK: Mushroom Model Publications, 2005. ISBN 83-89450-04-6.
  • Goulding, James and Robert Jones. "Gladiator, Gauntlet, Fury, Demon".Camouflage & Markings: RAF Fighter Command Northern Europe, 1936 to 1945. London: Ducimus Books Ltd., 1971.
  • James, Derek J. Gloster Aircraft since 1917. London:Putnam, 1971. ISBN 0-370-00084-6.
  • James, Derek N. Gloster Aircraft since 1917. London: Putnam and Company Ltd., 1987. ISBN 0-85177-807-0.
  • Lumsden, Alec and Owen Thetford. On Silver Wings: RAF Biplane Fighters between the Wars. London: Osprey Publishing Company, 1993. ISBN 1-85532-374-5.
  • Mason, Francis K. The British Fighter Since 1912. Annapolis, Maryland: Naval Institute Press, 1992. ISBN 1-55750-082-7.
  • Mason, Francis K. The Gloster Gauntlet (Aircraft in Profile 10). Leatherhead, Surrey, UK: Profile Publications Ltd., 1965.
  • Mondey, David. The Hamlyn Concise Guide to British Aircraft of World War II. London: Aerospace Publishing, 1994. ISBN 1-85152-668-4.
  • Thetford, Owen. Aircraft of the Royal Air Force 1918–57. London: Putnam, First edition 1957.
  • Wixey, Kenneth E. "The Gloster Gauntlet story". Aircraft Illustrated. Vol. 14 No. 1, January 1980. pp. 13–17.
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