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Franklin 6V6-245
The Franklin O-425 (company designation 6AG/6V6) was an American air-cooled aircraft engine that first ran in the mid-1940s. The engine was of six-cylinder, horizontally-opposed layout and displaced . The power output was between and depending on variant. The O-405-13 (6V6-300-D16FT) of 1955 was a vertically mounted, turbocharged and fan cooled version for helicopters. Variants ;6AG6-245:Geared propeller drive at 0.623:1, at 3,300 rpm, (XO-425-5). ;6AGS6-245:Supercharged and geared, at 3,200 rpm, (XO-425-3). ;6V6-245-B16F:Vertically mounted, fan-cooled helicopter version, at 3,275 rpm, (XO-425-1). ;6V6-300-D16FT:Vertically mounted, turbocharged, fan-cooled helicopter version, at 3,275 rpm, (O-425-13). ;O-425-1: ;O-425-2: ;O-425-3: ;O-425-5: ;O-425-9: ;O-425-13: Applications * Convair XL-13 * Republic YOA-15 (intended) *Sikorsky S-52 * Sikorsky YH-18 *Stinson L-13 The Stinson L-13 (sometimes known as the Grasshopper, like other aircraft of its type) was a US ...
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WikiProject Aircraft
A WikiProject, or Wikiproject, is a Wikimedia movement affinity group for contributors with shared goals. WikiProjects are prevalent within the largest wiki, Wikipedia, and exist to varying degrees within Wikimedia project, sister projects such as Wiktionary, Wikiquote, Wikidata, and Wikisource. They also exist in different languages, and translation of articles is a form of their collaboration. During the COVID-19 pandemic, CBS News noted the role of Wikipedia's WikiProject Medicine in maintaining the accuracy of articles related to the disease. Another WikiProject that has drawn attention is WikiProject Women Scientists, which was profiled by ''Smithsonian Magazine, Smithsonian'' for its efforts to improve coverage of women scientists which the profile noted had "helped increase the number of female scientists on Wikipedia from around 1,600 to over 5,000". On Wikipedia Some Wikipedia WikiProjects are substantial enough to engage in cooperative activities with outside organization ...
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Sikorsky S-52
The Sikorsky S-52 is a utility helicopter developed by Sikorsky Aircraft in the late 1940s. It was used by the U.S. Navy, Marine Corps, and Coast Guard.Donald 1997, p. 840. The S-52 was the first US helicopter with all-metal rotor blades. Initially a two-seater, it was developed into the four-seat S-52-2 and S-52-3. It was designated HO5S-1 by the U.S. Navy and Marine Corps, HO5S-1G by the Coast Guard, and YH-18A by the U.S. Army, and was used extensively by civil operators after being retired by the military. Design and development Sikorsky Aircraft began designing the S-52 in late 1945.Harding 1990, p. 228. The prototype S-52, first flown in 1947, was a two-seater and used a 178 hp (133 kW) Franklin air-cooled flat-six piston engine. The prototype pioneered the use of all-metal main and tail rotor blades along with offset flapping hinges for the main rotor, which allowed greater maneuverability and would become a trademark Sikorsky design feature. The aircraft was ...
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Franklin Aircraft Engines
Franklin may refer to: People * Franklin (given name) * Franklin (surname) * Franklin (class), a member of a historical English social class Places Australia * Franklin, Tasmania, a township * Division of Franklin, federal electoral division in Tasmania * Division of Franklin (state), state electoral division in Tasmania * Franklin, Australian Capital Territory, a suburb in the Canberra district of Gungahlin * Franklin River, river of Tasmania * Franklin Sound, waterway of Tasmania Canada * District of Franklin, a former district of the Northwest Territories * Franklin, Quebec, a municipality in the Montérégie region * Rural Municipality of Franklin, Manitoba * Franklin, Manitoba, an unincorporated community in the Rural Municipality of Rosedale, Manitoba * Franklin Glacier Complex, a volcano in southwestern British Columbia * Franklin Range, a mountain range on Vancouver Island, British Columbia * Franklin River (Vancouver Island), British Columbia * Franklin Str ...
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List Of Aircraft Engines
This is an alphabetical list of aircraft engines by manufacturer. 0–9 2si * 2si 215 * 2si 230 * 2si 430 * 2si 460 * 2si 500 * 2si 540 *2si 690 3W ''Source: RMV'' *3W 106iB2 *3W-110 *3W-112 *3W-170 *3W-210 *3W-220 A Abadal (Francisco Serramalera Abadal) *Abadal Y-12 350/400 hp ABC ''Source: Lumsden.'' * ABC 8 hp * ABC 30hp V-4 * ABC 45hp V-6 * ABC 60hp V-8 * ABC 85hp V-6 * ABC 100hp V-8 * ABC 115 hp * ABC 170hp V-12 * ABC 225hp V-16 * ABC Dragonfly *ABC Gadfly *ABC Gnat * ABC Hornet *ABC Mosquito * ABC Scorpion * ABC Wasp *ABC type 10 APU *ABC type 11 APU ABECO ''Source: RMV'' *ABECO GEM Aberg ''Source: RMV'' *Type Sklenar ABLE ''Source: RMV'', Able Experimental Aircraft Engine Co. (Able Experimental Aircraft Engine Co., Altimizer, Hoverhawk (US)) *ABLE 2275 *ABLE 2500 *ABLE VW x 2 Geared Drive Accurate Automation Corp *Accurate Automation AT-1500 *Accurate Automation AT-1700 Ace (Ace American Engr Corp, Horace Keane Aeroplane Co, North ...
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Lycoming O-480
The Lycoming O-480 is a family of six-cylinder, horizontally opposed fixed-wing aircraft engines of 479.6 cubic inch (7.86 L) displacement, made by Lycoming Engines. The engine is a six-cylinder version of the four-cylinder Lycoming O-320. Design and development O-480 series engines are installed on a number of different aircraft types. Their main competitive engines are the Continental IO-520 and IO-550 series. Variants All engines have an additional prefix preceding the ''480'' to indicate the specific configuration of the engine. Although the series is known as the "O-480", there are only geared engines in the series.FAA GO-480 Series Type Certificate.
Retrieved on 10 January 2009.

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Continental O-470
The Continental O-470 engine is a family of carbureted and fuel-injected six-cylinder, horizontally opposed, air-cooled aircraft engines that was developed especially for use in light aircraft by Continental Motors. Engines designated "IO" are fuel-injected. The family also includes the E165, E185, E225 and the E260 engines, and several specialty variants. It has been in production since 1950. Design and development The first engine in this series was the E165, a 471 cubic inch (7.7 L) engine producing , and was the first of the Continental's "E" series engines. Later versions were given the company designation of E185 ( continuous) and E225 (). When the US military gave them all the designation of O-470 the company adopted the designation and future models were known as Continental O-470s. The O-470 family of engines covers a range from to . The engines were developed in the late 1940s and certification was applied for on 23 October 1950 on the regulatory basis of Part ...
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80 Octane
An octane rating, or octane number, is a standard measure of a fuel's ability to withstand compression in an internal combustion engine without detonating. The higher the octane number, the more compression the fuel can withstand before detonating. Octane rating does not relate directly to the power output or the energy content of the fuel per unit mass or volume, but simply indicates gasoline's capability against compression. Whether or not a higher octane fuel improves or impairs an engine's performance depends on the design of the engine. In broad terms, fuels with a higher octane rating are used in higher-compression gasoline engines, which may yield higher power for these engines. Such higher power comes from the fuel's higher compression by the engine design, and not directly from the gasoline. In contrast, fuels with lower octane (but higher cetane numbers) are ideal for diesel engines because diesel engines (also called compression-ignition engines) do not compress the fu ...
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Horizontally-opposed
A flat engine is a piston engine where the cylinders are located on either side of a central crankshaft. Flat engines are also known as horizontally opposed engines, however this is distinct from the less common opposed-piston engine design, whereby each cylinder has two pistons sharing a central combustion chamber. The most common configuration of flat engines is the boxer engine configuration, in which the pistons of each opposed pair of cylinders move inwards and outwards at the same time. The other configuration is effectively a V engine with a 180-degree angle between the cylinder banks; in this configuration each pair of cylinders shares a single crankpin, so that as one piston moves inward, the other moves outward. The first flat engine was built in 1897 by Karl Benz. Flat engines have been used in aviation, motorcycle and automobile applications. They are now less common in cars than straight engines (for engines with less than six cylinders) and V engines (for engines ...
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Republic RC-3 Seabee
The Republic RC-3 Seabee is an all-metal amphibious sports aircraft designed by Percival Spencer and manufactured by the Republic Aircraft Corporation. Design and development The RC-3 Seabee was designed by Percival Hopkins "Spence" Spencer. An aviation pioneer, he built his first hang glider in April 1911 at the age of 17 from plans he found in a ''Popular Mechanics'' magazine. On May 15, 1914, Spencer made his first powered flight in a Curtiss flying boat. In 1937, he joined Sikorsky engineer Vincent A. Larsen to design their first and only amphibious aircraft, the Spencer-Larsen SL-12C. Development of the plane progressed slowly and in September 1940 Spencer left the partnership to form his own company. His resulting design was the Spencer S-12 Air Car Amphibian. Construction of the S-12 began on March 1, 1941 and the small, two-seat S-12 prototype, registered NX29098, made its first flight on August 8, 1941. The S-12 was a fabric covered amphibian with a unique boxlike ...
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WikiProject Aircraft/page Content
A WikiProject, or Wikiproject, is a Wikimedia movement affinity group for contributors with shared goals. WikiProjects are prevalent within the largest wiki, Wikipedia, and exist to varying degrees within sister projects such as Wiktionary, Wikiquote, Wikidata, and Wikisource. They also exist in different languages, and translation of articles is a form of their collaboration. During the COVID-19 pandemic, CBS News noted the role of Wikipedia's WikiProject Medicine in maintaining the accuracy of articles related to the disease. Another WikiProject that has drawn attention is WikiProject Women Scientists, which was profiled by ''Smithsonian Magazine, Smithsonian'' for its efforts to improve coverage of women scientists which the profile noted had "helped increase the number of female scientists on Wikipedia from around 1,600 to over 5,000". On Wikipedia Some Wikipedia WikiProjects are substantial enough to engage in cooperative activities with outside organizations relevant to ...
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Stinson L-13
The Stinson L-13 (sometimes known as the Grasshopper, like other aircraft of its type) was a US military utility aircraft first flown in 1945. Development The aircraft design was developed at Stinson in response to a request from the United States Army Air Force for a light observation/liaison unit. At that time Stinson was a subsidiary of Consolidated Vultee. The first two prototypes were constructed at the Stinson facility in Michigan. In 1948 the Convair board were restructuring their various units, and negotiated to sell the Stinson subsidiary to Piper Aircraft. The L-13 project was specifically not included in the assets of the sale, however, and Convair continued its production in-house; ultimately building 300 units as the Convair L-13. It was a conventional high-wing tailwheel monoplane used for observation, liaison, and air ambulance duties, which typically require low landing speeds and short landing rolls. It was fitted with oversize viewing areas to increase its reco ...
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Turbocharger
In an internal combustion engine, a turbocharger (often called a turbo) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake gas, forcing more air into the engine in order to produce more power for a given displacement.
The current categorisation is that a turbocharger is powered by the kinetic energy of the exhaust gasses, whereas a is mechanically powered (usually by a belt from the engine's crankshaft). However, up until the mid-20th century, a turbocharger was called a "turbosupercharger" and was considered a type of supercharger.


History

Prior to the invention of the turbocharger,
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