Boulton Paul P.112
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Boulton Paul P.112
The Boulton Paul P.112 was an elementary trainer designed by Boulton Paul Aircraft for the Royal Air Force. Design and development The P.112 was developed from the successful Boulton Paul Balliol, an advanced trainer powered by a Rolls-Royce Merlin piston engine, sharing the same fuselage as the Balliol but with new high aspect ratio wings and a non-retractable spatted undercarriage of track. The trainer was equipped with three seats, similar to the Balliol and looked so like the earlier aircraft that the image in the brochure was actually a retouched Balliol T.1. However, the Royal Air Force preferred the smaller de Havilland Canada DHC-1 Chipmunk to the P.112 and so no production ensued. Variants ;P.112:Baseline design for the elementary trainer, powered by an Alvis Leonides LE.4M ;P.112A:The same design equipped with a Pratt & Whitney R-1340 Wasp The Pratt & Whitney R-1340 Wasp is an aircraft engine of the reciprocating type that was widely used in American aircraft fro ...
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Trainer (aircraft)
A trainer is a class of aircraft designed specifically to facilitate flight training of pilots and aircrews. The use of a dedicated trainer aircraft with additional safety features—such as tandem flight controls, forgiving flight characteristics and a simplified cockpit arrangement—allows pilots-in-training to safely advance their skills in a more forgiving aircraft. Civilian pilots are normally trained in a light aircraft, with two or more seats to allow for a student and instructor. Tandem and side by side The two seating configurations for trainer aircraft are: pilot and instructor side by side, or in tandem, usually with the pilot in front and the instructor behind. The side-by-side seating configuration has the advantage that pilot and instructor can see each other's actions, allowing the pilot to learn from the instructor and the instructor to correct the student pilot. The tandem configuration has the advantage of being closer to the normal working environment that ...
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Boulton Paul Aircraft
Boulton Paul Aircraft Ltd was a British aircraft manufacturer that was incorporated in 1934, although its origins in aircraft manufacturing began earlier in 1914, and lasted until 1961. The company mainly built and modified aircraft under contract to other manufacturers, but had a few notable designs of its own, such as the Defiant fighter and the Balliol trainer. The company's origins date back to an ironmonger's shop founded in 1797 in Norwich. By the early 1900s, Boulton & Paul Ltd was a successful general manufacturing firm with a construction engineering division. It began building aircraft under contract during the First World War before moving into designing and building its own aircraft. The aircraft building business was sold off - at a low point in the aviation market - from the main construction business in 1934 and then moved to Wolverhampton under its new name Boulton Paul Aircraft Ltd in 1936 to take advantage of skilled local workforce and local government ...
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John Dudley North
John Dudley North (1893–1968), CBE, HonFRAeS, MIMechE, was Chairman and Managing Director of Boulton Paul Aircraft. Born in 1893 and educated at Bedford School, North became Chief Engineer for Claude Graham-White of the Grahame-White Aviation Co. Ltd., before the onset of World War I. This was a very responsible post for a young man in a young company within a fledgling and vital industry. He moved on in 1915 to become superintendent of the aviation department of Austin Motor Company. In 1917 he joined Boulton Paul in Norwich and commenced his long association with the company and its aircraft division, Boulton Paul Aircraft. Mr North rose to the position of managing director of Boulton Paul Aircraft and was also the company’s chief engineer. He retired in 1954. During North’s time with Boulton Paul he was involved in the design of many aircraft, not least the Overstrand, Sidestrand, Defiant and the R101 airship, of which the company built the hull. In 1941 North was ...
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Royal Air Force
The Royal Air Force (RAF) is the United Kingdom's air and space force. It was formed towards the end of the First World War on 1 April 1918, becoming the first independent air force in the world, by regrouping the Royal Flying Corps (RFC) and the Royal Naval Air Service (RNAS). Following the Allied victory over the Central Powers in 1918, the RAF emerged as the largest air force in the world at the time. Since its formation, the RAF has taken a significant role in British military history. In particular, it played a large part in the Second World War where it fought its most famous campaign, the Battle of Britain. The RAF's mission is to support the objectives of the British Ministry of Defence (MOD), which are to "provide the capabilities needed to ensure the security and defence of the United Kingdom and overseas territories, including against terrorism; to support the Government's foreign policy objectives particularly in promoting international peace and security". The R ...
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Boulton Paul Balliol
The Boulton Paul Balliol and Sea Balliol are monoplane advanced trainer aircraft designed and produced by the British aircraft manufacturer Boulton Paul Aircraft. On 17 May 1948, it became the world's first single-engined turboprop aircraft to fly. The Balliol was operated primarily by both the Royal Air Force (RAF) and the Royal Navy Fleet Air Arm (FAA). Developed during the late 1940s, the Balliol was designed to fulfil Air Ministry Specification T.7/45, replacing the wartime North American Harvard trainer. Unlike previous trainer aircraft, which were powered by piston engines, it was specified for the aircraft to use newly developed turboprop propulsion instead. On 30 May 1947, the Balliol performed its maiden flight; the first preproduction aircraft would fly during the following year. Production examples were powered by the Rolls-Royce Merlin engine, while various prototypes and pre-production aircraft featured alternative powerplants such as the Rolls-Royce Dart and Armst ...
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Rolls-Royce Merlin
The Rolls-Royce Merlin is a British liquid-cooled V-12 piston aero engine of 27-litres (1,650  cu in) capacity. Rolls-Royce designed the engine and first ran it in 1933 as a private venture. Initially known as the PV-12, it was later called ''Merlin'' following the company convention of naming its four-stroke piston aero engines after birds of prey. After several modifications, the first production variants of the PV-12 were completed in 1936. The first operational aircraft to enter service using the Merlin were the Fairey Battle, Hawker Hurricane and Supermarine Spitfire. The Merlin remains most closely associated with the Spitfire and Hurricane, although the majority of the production run was for the four-engined Avro Lancaster heavy bomber. A series of rapidly-applied developments, brought about by wartime needs, markedly improved the engine's performance and durability. Starting at 1,000 hp for the first production models, most late war versions produced just ...
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Piston Engine
A reciprocating engine, also often known as a piston engine, is typically a heat engine that uses one or more reciprocating pistons to convert high temperature and high pressure into a rotating motion. This article describes the common features of all types. The main types are: the internal combustion engine, used extensively in motor vehicles; the steam engine, the mainstay of the Industrial Revolution; and the Stirling engine for niche applications. Internal combustion engines are further classified in two ways: either a spark-ignition (SI) engine, where the spark plug initiates the combustion; or a compression-ignition (CI) engine, where the air within the cylinder is compressed, thus heating it, so that the heated air ignites fuel that is injected then or earlier.''Thermodynamics: An Engineering Approach'' by Yunus A. Cengal and Michael A. Boles Common features in all types There may be one or more pistons. Each piston is inside a cylinder, into which a gas is intro ...
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Alvis Leonides LE
Alvis may refer to: *Alvis Car and Engineering Company, British luxury car and military vehicle manufacturer which later became Alvis plc *Alvis plc (formerly United Scientific Holdings plc), a defence contractor which acquired Alvis Cars and became the UK's largest armoured vehicle manufacturer *Hayes Alvis (1907–1972), American jazz bassist and tubist *Max Alvis (born 1938), Major League Baseball player *Arvis, a major antagonist in the game '' Fire Emblem: Genealogy of the Holy War'' *Alvis Darby (born 1954), American football player *Alvis E. Hamilton, a character in the anime ''Last Exile'' *Alvis, a major character in the video game ''Xenoblade Chronicles'' See also *Alvíss Alvíss (Old Norse: ; "All-Wise") was a dwarf in Norse mythology. Thor's daughter, Þrúðr (Old Norse: , "strength"),Lindow (2001:291). sometimes anglicized as Thrúd or Thrud, is a daughter of the major god Thor and the goddess Sif in Nor ...
, a dwarf in Norse mythology {{disambiguati ...
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Pratt & Whitney R-1340 Wasp
The Pratt & Whitney R-1340 Wasp is an aircraft engine of the reciprocating type that was widely used in American aircraft from the 1920s onward. It was the Pratt & Whitney aircraft company's first engine, and the first of the famed Wasp series. It was a single-row, nine-cylinder, air-cooled, radial design, and displaced 1,344 cubic inches (22 L); bore and stroke were both 5.75 in (146 mm). A total of 34,966 engines were produced. As well as numerous types of fixed-wing aircraft, it was used to power helicopters, the Agusta-Bell AB.102 and the Sikorsky H-19, and a class of airship, the K-class blimp. In 2016, it received designation as a Historic Engineering Landmark from the American Society of Mechanical Engineers. Variants ''Note:'' R for Radial and 1340 for 1340 cubic inch displacement. ;R-1340-7: , ;R-1340-8: ;R-1340-9: , ;R-1340-16: ;R-1340-17: ;R-1340-19: ;R-1340-19F: ;R-1340-21G: ;R-1340-22: ;R-1340-23: ;R-1340-30: ;R-1340-31: ;R-1340-3 ...
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CAC Winjeel
The CAC CA-25 Winjeel is an Australian-designed and manufactured three-seat training aircraft. Entering service with the Royal Australian Air Force (RAAF) in 1955 as a basic to advanced trainer, it served in this role until 1975. Later, it was used in the Forward Air Control (FAC) role for target marking until 1994, after which it was retired from RAAF service. Design and development The Winjeel (from a Victorian indigenous word for "young eagle", an alternate spelling of Bunjil) was developed by the Commonwealth Aircraft Corporation at Fishermans Bend in Victoria to satisfy RAAF technical requirement No.AC.77 issued in 1948. Designed to replace both the Tiger Moth and the CAC Wirraway, the first two prototype CA-22 aircraft were flown in February 1951. However, it proved a very stable aircraft making it almost impossible to spin, and with this being a required part of pilot training the tail had to be redesigned as a result. Sixty-two production CA-25 aircraft were subsequently ...
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Fiat G
Fiat Automobiles S.p.A. (, , ; originally FIAT, it, Fabbrica Italiana Automobili di Torino, lit=Italian Automobiles Factory of Turin) is an Italian automobile manufacturer, formerly part of Fiat Chrysler Automobiles, and since 2021 a subsidiary of Stellantis through its Italian division Stellantis Italy. Fiat Automobiles was formed in January 2007 when Fiat S.p.A. reorganized its automobile business, and traces its history back to 1899 when the first Fiat automobile, the Fiat 4 HP, was produced. Fiat Automobiles is the largest automobile manufacturer in Italy. During its more than century-long history, it remained the largest automobile manufacturer in Europe and the third in the world after General Motors and Ford for over 20 years, until the car industry crisis in the late 1980s. In 2013, Fiat S.p.A. was the second largest European automaker by volumes produced and the seventh in the world, while FCA was the world's eighth-largest automaker. In 1970, Fiat Automobiles employ ...
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