Shvetsov M-11
The Shvetsov M-11 is a five-cylinder air-cooled radial aircraft engine produced in the Soviet Union between 1923 and 1952.Gunston 1989, p.158. Design and development The Shvetsov M-11 was designed under a 1923 competition in the Soviet Union for a new engine to power trainer aircraft. It is a single-row five-cylinder air-cooled radial piston engine with aluminum cylinder heads. Like the American Kinner B-5 5-cylinder radial of similar size, the M-11 had individual camshafts for each cylinder, operating the pushrods, rather than a single central cam ring. The initial versions of the M-11 suffered from a short service life of only 50 hours. The basic M-11 engine had a power output of 100 hp (73 kW), the newer M-11D variant was higher at 125 hp (92 kW). The ultimate version, M-11FR, introduced in 1946, increased power output to 160 hp at 1,900 rpm on takeoff and 140 hp at cruise and had provisions for a variable-pitch propeller, accessory drive (for vacu ...
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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 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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Carburetor
A carburetor (also spelled carburettor) is a device used by an internal combustion engine to control and mix air and fuel entering the engine. The primary method of adding fuel to the intake air is through the venturi tube in the main metering circuit, however various other components are also used to provide extra fuel or air in specific circumstances. Since the 1990s, carburetors have been largely replaced by fuel injection for cars and trucks, however carburetors are still used by some small engines (e.g. lawnmowers, generators and concrete mixers) and motorcycles. Diesel engines have always used fuel injection instead of carburetors. Etymology The name "carburetor" is derived from the verb ''carburet'', which means "to combine with carbon," or in particular, "to enrich a gas by combining it with carbon or hydrocarbons." Thus a carburetor mixes intake air with hydrocarbon-based fuel, such as petrol or autogas (LPG). The name is spelled "carburetor" in American English ...
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RF-8
The RF-8, or GAZ-98, was an aerosan used by the Soviet Union during the Second World War and developed by Gorki Narkorechflota. The GAZ-98K was a version with a more powerful GAZ Shvetsov M-11 five-cylinder air-cooled 110-hp radial aviation engine in place of the standard automotive engine. The Aerosan, which is Russian for "aero-sleigh" or propeller driven sleigh, was military vehicle that was used operationally in snowbound winter regions of Northern Europe by several nations during the first half of the 20th century; however it was Russia that made the most use of these specialised winter combat vehicles. The vehicles operated very successfully in these snowbound isolated areas with their poor road infrastructures, where tracked and wheeled vehicles were restricted by heavy snowfalls. These aerosans were organised into both combat aerosled battalions (BASB) and transport aerosled battalions (TASB). The RF-8 was one such vehicle. its design name was River Fleet 8 and was built ...
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Kalisz
(The oldest city of Poland) , image_skyline = , image_caption = ''Top:'' Town Hall, Former "Calisia" Piano Factory''Middle:'' Courthouse, "Gołębnik" tenement''Bottom:'' Aerial view of the Kalisz Old Town , image_flag = POL Kalisz flag.svg , flag_border = no , image_shield = POL Kalisz COA.svg , pushpin_map = Poland Greater Poland Voivodeship#Poland , pushpin_relief = 1 , pushpin_label_position = bottom , subdivision_type = List of sovereign states, Country , subdivision_name = , subdivision_type1 = Voivodeships of Poland, Voivodeship , subdivision_name1 = , subdivision_type2 = Powiat, County , subdivision_name2 = ''city-county'' , leader_title = Mayor , leader_name = Krystian Kinastowski , established_title = Established , established_date = 9th century , established_title3 = Town rights , established_date3 = after 1268 , area_total_km2 = 69.42 , population_as_of = 31 December 2021 , population_total = 97,905 (List of cities and towns in Poland, 38th) ...
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MG-21 (aero-engine)
The HK21 is a German 7.62 mm general-purpose machine gun, developed in 1961 by small arms manufacturer Heckler & Koch and based on the G3 battle rifle. The weapon is in use with the armed forces of several Asian, African and Latin American countries. It was also license-manufactured by Fábrica de Braço de Prata in Portugal as the m/968 and in Mexico by SEDENA as the MG21. In the German military (''Bundeswehr'') and the federal police ( ''Bundespolizei'') it is designated "G8". Design details Operating mechanism The HK21 is a selective fire roller-delayed blowback-operated firearm with a semi-rigid locking mechanism designed to retard the rearward movement of the bolt. This delay was achieved by artificially increasing the inertia of the bolt by using an angular, interposed transmission system, installed symmetrically to the bore axis, with two cylindrical rollers acting as transmission elements against a movable locking piece which drives the heavy bolt carrier. The ...
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MG-11 (aero-engine)
The Shvetsov M-11 is a five-cylinder air-cooled radial aircraft engine produced in the Soviet Union between 1923 and 1952.Gunston 1989, p.158. Design and development The Shvetsov M-11 was designed under a 1923 competition in the Soviet Union for a new engine to power trainer aircraft. It is a single-row five-cylinder air-cooled radial piston engine with aluminum cylinder heads. Like the American Kinner B-5 5-cylinder radial of similar size, the M-11 had individual camshafts for each cylinder, operating the pushrods, rather than a single central cam ring. The initial versions of the M-11 suffered from a short service life of only 50 hours. The basic M-11 engine had a power output of 100 hp (73 kW), the newer M-11D variant was higher at 125 hp (92 kW). The ultimate version, M-11FR, introduced in 1946, increased power output to 160 hp at 1,900 rpm on takeoff and 140 hp at cruise and had provisions for a variable-pitch propeller, accessory drive (for ...
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M-51 (aero-engine)
M51 or M-51 may refer to: * M-51 (Michigan highway), a state highway in Michigan * M51 highway (Russia) * M51 (Cape Town), a Metropolitan Route in Cape Town, South Africa * M51 Skysweeper, an anti-aircraft gun * M51 MACI mine * M51 SLBM, a French nuclear ballistic missile * BMW M51, a 1991 straight-6 Diesel engine * Sherman M-51, an Israeli modification of American M4 Sherman tank * Eidgenössischer Stutzer 1851, a historical service rifle of the Swiss Army * Messier 51, a spiral galaxy also known as the Whirlpool Galaxy * Samsung Galaxy M51 The Samsung Galaxy M51 is a mid-range Android smartphone manufactured by Samsung Electronics as part of their M series. It was announced in late August 2020 and released the following month. The phone has a 6.7 in sAMOLED Plus display, a 64 MP ...

M-50 (aero-engine)
M50 or M-50 may refer to: Military equipment * M50 joint service general purpose mask, United States military gas mask * M50 Super Sherman, an Israeli tank * M50 Reising submachine gun, an American submachine gun * M50 Ontos, an American tank destroyer * Madsen M-50, a Danish submachine gun * Myasishchev M-50, 'Bounder', a Soviet bomber * Obusier de 155 mm Modèle 50 or M 50, a French howitzer introduced in 1952 Transportation * M50 (New York City bus), a New York City Bus route in Manhattan * BMW M50, a 1989 automobile piston engine * Suzuki Boulevard M50, an 800cc V-twin muscle cruiser by Suzuki Motor Company * The FAA identifier of Boardman Airport, Oregon, United States Roads * M-50 (Michigan highway), United States * M50 motorway (Great Britain), in the West Midlands / South West * M50 motorway (Ireland), a Dublin ring road * M-50 (Spain), a Madrid ring road * M50 (Cape Town), a Metropolitan Route in Cape Town, South Africa * M50 (Pietermaritzburg), a Metropolit ...
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M-49 (aero-engine)
M49 or M-49 may be: * Messier 49, an elliptical galaxy in the constellation Virgo * The 49th known Mersenne prime * M49 motorway, a motorway in Great Britain * M49 (Cape Town), a Metropolitan Route in Cape Town, South Africa * M49 (Johannesburg), a Metropolitan Route in Johannesburg, South Africa * M49 telescope, a telescope used by the United States military * M-49 (Michigan highway), a Michigan state highway * UN M49, the United Nations' "Standard Country or Area Codes for Statistical Use" * M/49, or the Neuhausen pistol, the Danish name for the SIG Sauer P210 The SIG P210 (Swiss Army designation Pistole 49, the civilian model was known as SP47/8 prior to 1957) is a locked breech self loading, semi-automatic pistol designed and manufactured in Neuhausen am Rheinfall (Canton of Schaffhausen, Switzerl ...