Franklin O-405
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Franklin O-405
The Franklin O-405 (company designation 6AC-403) was an American air-cooled aircraft engine of the 1940s. The engine was of Flat-six engine, six-cylinder, horizontally-opposed layout and Engine displacement, displaced . The power output was between and depending on variant. The O-405-9 (6ACV-403) was a vertically mounted, fan cooled version for helicopters. Variants ;6AC-403 (XO-405-1): at 2,750 rpm ;6ACSA-403 (XO-405-3):Supercharged, at 2,750 rpm ;6ACGSA-403 (O-405-5): Supercharged, geared propeller drive at 0.632:1. at 3,200 rpm ;6ACV-403 (O-405-9):Vertically mounted, fan-cooled helicopter version, at 3,275 rpm Applications *Culver XPQ-15 *Sikorsky R-6, Doman LZ-1A *Doman Pelican *Fairchild 24, Fairchild XUC-86B *Fleetwings XBQ-1 *Kellett XR-8 *Sikorsky R-6 Specifications (6AC-403/XO-405-1) See also References

;Notes ;Bibliography * Gunston, Bill. (1986) ''World Encyclopedia of Aero Engines''. Patrick Stephens: Wellingborough. p. 57 {{US military pi ...
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Fairchild 24
The Fairchild Model 24, also called the Fairchild Model 24 Argus and UC-61 Forwarder, is a four-seat, single-engine monoplane light transport aircraft designed by the Fairchild Aviation Corporation in the 1930s. It was adopted by the United States Army Air Corps as UC-61 and also by the Royal Air Force. The Model 24 was itself a development of previous Fairchild models and became a successful civil and military utility aircraft. Design and development Fairchild Aircraft was hit hard by the Great Depression in the early 1930s as airline purchases disappeared. Consequently, the company attention turned to developing a reliable and rugged small aircraft for personal and business use. The Fairchild 22 became somewhat of a hit and led directly to the new and much improved Model 24 which gained rapid popularity in the early 1930s, noted for its pleasant handling characteristics and roomy interior. Having adapted many components from the automotive industry (expansion-shoe brakes and r ...
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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 Strait, ...
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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 Beac ...
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Continental Tiara Series
The Continental Tiara series are a family of air-cooled, horizontally opposed aircraft engines. Designed and built by Continental Motors/TCM, the Tiara series were commercially unsuccessful, costing the company millions of dollars. Design and development Continental began development of the Tiara series in 1965.Leyes, p.119 At the time, CAE, Continental Motor's turbine engine subsidiary, had developed the T65, a small turboshaft engine which was being considered by Bell for its new Model 206 helicopter. Faced with having to fund the production tooling for the T65 in order to keep the price reasonable, or funding the Tiara series, Continental's corporate management chose to invest in the Tiaras. While the Tiara series were basically traditional boxer engines, they did have some unique features.Gunston, p.191 The engines had high rotational speeds, 0.5:1 gearing was used to reduce propeller speed, with the camshaft forming an extension of the propeller shaft.
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Flat-6
A flat-six engine, also known as a horizontally opposed-six, is a six-cylinder Internal combustion engine#Reciprocating engines, piston engine with three cylinders on each side of a central crankshaft. The most common type of flat-six engine is the boxer-six engine, where each pair of opposed cylinders moves inwards and outwards at the same time. The advantages of the flat-six layout are good engine balance (for reduced vibration), a low center of gravity, short length (compared with an inline-six engine) and being well suited to air-cooling. The disadvantages are a large width (which can limit the maximum steering angle when used in a front-engined car), a large intake manifold being required when a central carburetor is used, and duplication of the inlet and outlet connections for water-cooled engines. The first production flat-six engine was in the 1904 ''Wilson-Pilcher 18/24 HP'' car. The most notable use of flat-six engines is the Porsche 911 sports car, which has used flat- ...
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Kellett XR-8
The Kellett XR-8 (later redesignated XH-8) was a helicopter built in the United States during World War II. It was a two-seat machine intended to demonstrate the feasibility of a twin-rotor system and, while it accomplished this, it also demonstrated a number of problems that prevented further development of this particular design. Design and development The successful demonstration of the Sikorsky VS-300 had the USAAF favoring the helicopter over the autogiro as an approach to rotary-winged flight. Realizing this, the Kellett Autogiro Corporation The Kellett Autogiro Corporation was an American aircraft manufacturer from 1929 based in Philadelphia, named after founder W. Wallace Kellett. History The Kellett Aircraft was formed by W. Wallace Kellett and C. Townsend Ludington and their b ... made a proposal to the USAAF on 11 November 1942 for the development of a twin-rotor helicopter that would eliminate the need for a tail rotor and its attendant loss of power. Initiall ...
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Fleetwings XBQ-1
The Fleetwings BQ-1 was an early expendable unmanned aerial vehicle — referred to at the time as an " assault drone" — developed by Fleetwings during the Second World War for use by the United States Army Air Forces. Only a single example of the type was built, the program being cancelled following the crash of the prototype on its first flight. Development Development of the BQ-1 began on July 10, 1942, under a program for the development of "aerial torpedoes" – unmanned aircraft carrying internal bombs – that had been instigated in March of that year. Fleetwings was contracted to build a single XBQ-1 assault drone,Werrell 1985, p.30. powered by two Franklin O-405-7 opposed piston engines, and fitted with a fixed landing gear in tricycle configuration. The aircraft was optionally piloted; a single-seat cockpit was installed for ferry and training flights; a fairing would replace the cockpit canopy on operational missions.Parsch 2005 The BQ-1 was intended to carry a war ...
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Doman Pelican
Doman may refer to: *Doman (surname) *Doman (river), Caraș-Severin County, Romania *Doman, a village in Reșița city, Caraș-Severin County, Romania *Doman Helicopters, an American helicopter manufacturing company *Doman (Khoikhoi) (died 1663), a Khoikhoi leader in the First Khoikhoi-Dutch War See also *Doman Scandal William Richards Bennett, (April 14, 1932 – December 3, 2015) was the 27th premier of British Columbia from 1975 to 1986. He was a son of Annie Elizabeth May (Richards) and former Premier, W. A. C. Bennett. He was a 3rd cousin, twice removed, ..., a Canadian political scandal * Daman (other) {{disambiguation ...
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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'' 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 the field at issue. For e ...
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Sikorsky R-6
The Sikorsky R-6 is an American light two-seat helicopter of the 1940s. In Royal Air Force and Royal Navy service, it was named the Hoverfly II. Development The R-6/Hoverfly II was developed to improve on the successful Sikorsky R-4. In order to enhance performance, a completely new streamlined fuselage was designed and the boom carrying the tail rotor was lengthened and straightened. The main rotor and transmission system of the R-4 were retained. Sikorsky allotted their Model 49 designation to the new design. Later, dynamically-balanced modifications to the rotor were carried out by Doman Helicopters Inc. The new aircraft could attain compared with by the earlier design. Initial production was by Sikorsky, but most examples were built by Nash-Kelvinator. Some of the later aircraft were fitted with more powerful engines. Operational history The first R-6s were delivered to the United States Army Air Forces (USAAF) in late 1944 and some were transferred to the United States N ...
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Culver XPQ-15
The Culver XPQ-15, also known as the XTD3C-1, was an American target drone developed by the Culver Aircraft Company late in World War II. Design and development The XPQ-15 was a low-wing monoplane of conventional design. It was powered by a Franklin O-405 opposed piston engine.Parsch 2009 Design work began in 1943. Operational history Four examples of the XPQ-15 were built for evaluation by the United States Army Air Forces in 1945; two additional aircraft were tested by the United States Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ... as the XTD3C-1. No production contract was placed. Variants ;XPQ-15 :USAAF variant; four produced. ;XTD3C-1 :USN variant; two produced, BuNos 29665-29666.Grossnick and Armstrong 1997, p.540. Specifications (XPQ-15) References ;Citations ...
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