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Vickers Armstrong Wellington |
Bomber variants
Type 271 The first Wellington bomber prototype.
Type 285 Wellington Mark I One pre-production prototype. Powered by two Bristol Pegasus X radial piston engines.
Type 290 Wellington Mark I The first production version. Powered by two 1,000 hp (750 kW) Bristol Pegasus XVIII radial piston engines. Fitted with Vickers gun turrets, 183 built at Weybridge and Chester.
Type 408 Wellington Mark IA Production version built to B Mark II specifications with provision for either Pegasus or Rolls-Royce Merlin engines, although only the two 1,000 hp (750 kW) Pegasus XVIII engines were used in practice.[9] Main landing gear moved forward 3 in (8 cm). Fitted with Nash & Thomsongun turrets. 187 built at Weybridge and Chester.
Type 416 Wellington Mark IC The first main production variant was the Mark IC which added waist guns to the Mark IA. A total of 2,685 were produced. The Mark IC had a crew of six; a pilot, radio operator, navigator/bomb aimer, observer/nose gunner, tail gunner and waist gunner. A total of 2,685 were built at Weybridge, Chester and Blackpool.
Type 406 Wellington Mark II The B Mark II was identical to the Mark IC with the exception of the powerplant; using the 1,145 hp (855 kW) Rolls-Royce Merlin X engine instead. A total of 400 were produced at Weybridge.
Type 417 Wellington B Mark III The next significant variant was the B Mark III which featured the 1,375 hp (1,205 kW) Bristol Hercules III or XI engine and a four-gun tail turret, instead of two-gun. A total of 1,519 Mark IIIs were built and became mainstays of Bomber Command through 1941. A total of 1,517 were built at Chester and Blackpool.
Type 424 Wellington B Mark IV The 220 B Mark IV Wellingtons used the 1,200 hp (900 kW) Pratt & Whitney Twin Wasp engine and were flown by two Polish and two RAAFsquadrons. A total of 220 were built at Chester.
Type 442 Wellington B Mark VI Pressurised with a long wingspan and 1,600 hp (1,190 kW) Merlin R6SM (60-series, two-stage) engines, 63 were produced and were operated by 109 Squadron and as Gee radio navigation trainers. A total of 63 were built at Weybridge. This is the aircraft that spurred Rolls-Royce into developing the two-stage supercharged Merlin 60-series engine.
Type 440 Wellington B Mark X The most widely produced variant of which 3,804 were built. It was similar to the Mark III except for the 1,675 hp (1,250 kW) Hercules VI or XVI powerplant and a fuselage structure of light alloy, instead of steel. The Mark X was the basis for a number of Coastal Command versions. A total of 3,803 were built at Chester and Blackpool.Coastal Command variants
Type 429 Wellington GR Mark VIII Mark IC conversion for Coastal Command service. Roles included reconnaissance, anti-submarine and anti-shipping attack. A Coastal Command Wimpy was the first aircraft to be fitted with the anti-submarine Leigh light. A total of 307 were built at Weybridge, 58 fitted with the Leigh Light.
Type 458 Wellington GR Mark XI Maritime version of B Mark X with an ordinary nose turret and mast radar ASV Mark II instead of chin radome, no waist guns, 180 built at Weybridge and Blackpool.
Type 455 Wellington GR Mark XIIMaritime version of B Mark X armed with torpedoes and with a chin radome housing the ASV Mark III radar, single nose machine gun, 58 built at Weybridge and Chester.
Type 466 Wellington GR Mark XIII Maritime version of B Mark X with an ordinary nose turret and mast radar ASV Mark II instead of chin radome, no waist guns, 844 built Weybridge and Blackpool.
Type 467 Wellington GR Mark XIV Maritime version of B Mark X with a chin radome housing the ASV Mark III radar and added RP-3 explosive rocket rails to the wings, 841 built at Weybridge, Chester and Blackpool.
Transport variants
Wellington C Mark XV Service conversions of the Wellington Mark IA into unarmed transport aircraft; able to carry up to 18 troops.
Wellington C Mark XVI Service conversions of the Wellington Mark IC into unarmed transport aircraft; able to carry up to 18 troops.
Trainer variants
Type 487 Wellington T Mark XVII Service conversions of the Wellington bomber into training aircraft with Air Intercept radar; powered by two Bristol Hercules XVII radial piston engines.
Type 490 Wellington T Mark XVIII Production version. Powered by two Bristol Hercules XVI radial piston engines. A total of 80 were built at Blackpool, plus some conversions.
Wellington T Mark XIX Service conversions of the Wellington Mark X used for navigation training; remained in use as a trainer until 1953.
Experimental and conversion variants
Type 298 Wellington Mark II prototype one aircraft L4250; powered by two 1,145 hp (854 kW) Rolls-Royce Merlin inline piston engines.
Type 299 Wellington Mark III prototype two only.
Type 410 Wellington Mark IV prototype Serial R1220; powered by two Pratt & Whitney Twin Wasp radial piston engines.
Type 416 Wellington (II) The original Wellington II prototype was converted with the installation of a 40 mm (1.57 in) Vickers S gun in the dorsal position.
Type 418 Wellington DWI Mark I Conversion of four Wellington Mark IAs to minesweeping aircraft. Fitted with Ford V-8 petrol engine and Mawdsley electrical generator to induce magnetic field in a 48 ft (14.63 m) diameter loop mounted under fuselage. They had a solid nose with a bracket supporting the loop, which was also supported under the rear fuselage and the wings, outboard of the engines. DWI stood for "Directional Wireless Installation" – a cover story for the true purpose of the loop.
Type 419 Wellington DWI Mark IIDWI Mark I aircraft upgraded by installation of De Havilland Gipsy engine for increased generation power. At least 11 further aircraft converted to this standard.
Type 407 and Type 421 Wellington Mark V Second and first prototypes respectively: three were built, designed for pressurised, high-altitude operations using turbocharged Hercules VIII engines.
Wellington Mark VI One Wellington Mark V with Merlin 60-series engines, high-altitude prototype only.
Type 449 Wellington Mark VIG Production version of Type 431. Two aircraft were only built.
Wellington Mark VII Single aircraft, built as a testbed for the 40 mm Vickers S gun turret.
Type 435 Wellington Mark I Cconversion of one Wellington to test Turbinlite.
Type 437 Wellington Mark IX One Mark IC conversion for troop transport.
Type 439 Wellington Mark II One Wellington Mark II was converted with the installation of a 40 mm Vickers S gun in the nose.
Type 443 Wellington Mark V One Wellington was used to test the Bristol Hercules VIII engine.
Type 445 Wellington (I) One Wellington was used to test the Whittle W2B/23 turbojet engine, the engine was fitted in the tail of the aircraft.
Type 454 and Type 459 Wellington Mark IX Prototypes with ASV Mark II, ASV Mark III radars, and powered by two Bristol Hercules VI and XVI radial piston engines.
Type 470 and Type 486 Wellington This designation covers two Wellington Mark II aircraft fitted with the Whittle W2B and W2/700 respectively.
Type 478 Wellington Mark X One Wellington was used to test the Bristol Hercules 100 engine.
Type 602 Wellington Mark X One Wellington was fitted with two Rolls-Royce Dart turboprop engines.
Wellington Mark III One Wellington was used for glider tug, for glider clearance for Hadrian, Hotspur and Horsa gliders.
Type 271 The first Wellington bomber prototype.
Type 285 Wellington Mark I One pre-production prototype. Powered by two Bristol Pegasus X radial piston engines.
Type 290 Wellington Mark I The first production version. Powered by two 1,000 hp (750 kW) Bristol Pegasus XVIII radial piston engines. Fitted with Vickers gun turrets, 183 built at Weybridge and Chester.
Type 408 Wellington Mark IA Production version built to B Mark II specifications with provision for either Pegasus or Rolls-Royce Merlin engines, although only the two 1,000 hp (750 kW) Pegasus XVIII engines were used in practice.[9] Main landing gear moved forward 3 in (8 cm). Fitted with Nash & Thomsongun turrets. 187 built at Weybridge and Chester.
Type 416 Wellington Mark IC The first main production variant was the Mark IC which added waist guns to the Mark IA. A total of 2,685 were produced. The Mark IC had a crew of six; a pilot, radio operator, navigator/bomb aimer, observer/nose gunner, tail gunner and waist gunner. A total of 2,685 were built at Weybridge, Chester and Blackpool.
Type 406 Wellington Mark II The B Mark II was identical to the Mark IC with the exception of the powerplant; using the 1,145 hp (855 kW) Rolls-Royce Merlin X engine instead. A total of 400 were produced at Weybridge.
Type 417 Wellington B Mark III The next significant variant was the B Mark III which featured the 1,375 hp (1,205 kW) Bristol Hercules III or XI engine and a four-gun tail turret, instead of two-gun. A total of 1,519 Mark IIIs were built and became mainstays of Bomber Command through 1941. A total of 1,517 were built at Chester and Blackpool.
Type 424 Wellington B Mark IV The 220 B Mark IV Wellingtons used the 1,200 hp (900 kW) Pratt & Whitney Twin Wasp engine and were flown by two Polish and two RAAFsquadrons. A total of 220 were built at Chester.
Type 442 Wellington B Mark VI Pressurised with a long wingspan and 1,600 hp (1,190 kW) Merlin R6SM (60-series, two-stage) engines, 63 were produced and were operated by 109 Squadron and as Gee radio navigation trainers. A total of 63 were built at Weybridge. This is the aircraft that spurred Rolls-Royce into developing the two-stage supercharged Merlin 60-series engine.
Type 440 Wellington B Mark X The most widely produced variant of which 3,804 were built. It was similar to the Mark III except for the 1,675 hp (1,250 kW) Hercules VI or XVI powerplant and a fuselage structure of light alloy, instead of steel. The Mark X was the basis for a number of Coastal Command versions. A total of 3,803 were built at Chester and Blackpool.Coastal Command variants
Type 429 Wellington GR Mark VIII Mark IC conversion for Coastal Command service. Roles included reconnaissance, anti-submarine and anti-shipping attack. A Coastal Command Wimpy was the first aircraft to be fitted with the anti-submarine Leigh light. A total of 307 were built at Weybridge, 58 fitted with the Leigh Light.
Type 458 Wellington GR Mark XI Maritime version of B Mark X with an ordinary nose turret and mast radar ASV Mark II instead of chin radome, no waist guns, 180 built at Weybridge and Blackpool.
Type 455 Wellington GR Mark XIIMaritime version of B Mark X armed with torpedoes and with a chin radome housing the ASV Mark III radar, single nose machine gun, 58 built at Weybridge and Chester.
Type 466 Wellington GR Mark XIII Maritime version of B Mark X with an ordinary nose turret and mast radar ASV Mark II instead of chin radome, no waist guns, 844 built Weybridge and Blackpool.
Type 467 Wellington GR Mark XIV Maritime version of B Mark X with a chin radome housing the ASV Mark III radar and added RP-3 explosive rocket rails to the wings, 841 built at Weybridge, Chester and Blackpool.
Transport variants
Wellington C Mark XV Service conversions of the Wellington Mark IA into unarmed transport aircraft; able to carry up to 18 troops.
Wellington C Mark XVI Service conversions of the Wellington Mark IC into unarmed transport aircraft; able to carry up to 18 troops.
Trainer variants
Type 487 Wellington T Mark XVII Service conversions of the Wellington bomber into training aircraft with Air Intercept radar; powered by two Bristol Hercules XVII radial piston engines.
Type 490 Wellington T Mark XVIII Production version. Powered by two Bristol Hercules XVI radial piston engines. A total of 80 were built at Blackpool, plus some conversions.
Wellington T Mark XIX Service conversions of the Wellington Mark X used for navigation training; remained in use as a trainer until 1953.
Experimental and conversion variants
Type 298 Wellington Mark II prototype one aircraft L4250; powered by two 1,145 hp (854 kW) Rolls-Royce Merlin inline piston engines.
Type 299 Wellington Mark III prototype two only.
Type 410 Wellington Mark IV prototype Serial R1220; powered by two Pratt & Whitney Twin Wasp radial piston engines.
Type 416 Wellington (II) The original Wellington II prototype was converted with the installation of a 40 mm (1.57 in) Vickers S gun in the dorsal position.
Type 418 Wellington DWI Mark I Conversion of four Wellington Mark IAs to minesweeping aircraft. Fitted with Ford V-8 petrol engine and Mawdsley electrical generator to induce magnetic field in a 48 ft (14.63 m) diameter loop mounted under fuselage. They had a solid nose with a bracket supporting the loop, which was also supported under the rear fuselage and the wings, outboard of the engines. DWI stood for "Directional Wireless Installation" – a cover story for the true purpose of the loop.
Type 419 Wellington DWI Mark IIDWI Mark I aircraft upgraded by installation of De Havilland Gipsy engine for increased generation power. At least 11 further aircraft converted to this standard.
Type 407 and Type 421 Wellington Mark V Second and first prototypes respectively: three were built, designed for pressurised, high-altitude operations using turbocharged Hercules VIII engines.
Wellington Mark VI One Wellington Mark V with Merlin 60-series engines, high-altitude prototype only.
Type 449 Wellington Mark VIG Production version of Type 431. Two aircraft were only built.
Wellington Mark VII Single aircraft, built as a testbed for the 40 mm Vickers S gun turret.
Type 435 Wellington Mark I Cconversion of one Wellington to test Turbinlite.
Type 437 Wellington Mark IX One Mark IC conversion for troop transport.
Type 439 Wellington Mark II One Wellington Mark II was converted with the installation of a 40 mm Vickers S gun in the nose.
Type 443 Wellington Mark V One Wellington was used to test the Bristol Hercules VIII engine.
Type 445 Wellington (I) One Wellington was used to test the Whittle W2B/23 turbojet engine, the engine was fitted in the tail of the aircraft.
Type 454 and Type 459 Wellington Mark IX Prototypes with ASV Mark II, ASV Mark III radars, and powered by two Bristol Hercules VI and XVI radial piston engines.
Type 470 and Type 486 Wellington This designation covers two Wellington Mark II aircraft fitted with the Whittle W2B and W2/700 respectively.
Type 478 Wellington Mark X One Wellington was used to test the Bristol Hercules 100 engine.
Type 602 Wellington Mark X One Wellington was fitted with two Rolls-Royce Dart turboprop engines.
Wellington Mark III One Wellington was used for glider tug, for glider clearance for Hadrian, Hotspur and Horsa gliders.