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MTH Racing Engines
MTH racing engines are two-stroke lightweight engines, built by an Austrian company, MTH. They are used in motocross sidecars and ultra lightweight aeroplanes. From 2000 to 2002, the Latvian sidecarcross rider Kristers Serģis won three world championships with an MTH motor. Sidecarcross world championships *Kristers Serģis / Artis Rasmanis - MTH-BSU - 2000-02 Aircraft engines *MTH R 422-CG The MTH R 422-CG is an Austrian aircraft engine, designed and produced by MTH Engines of Mattsee for use in ultralight aircraft.Tacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015-16'', pages 260-261. Flying Pages Europ ... References The world championship on sidecarcross.comThe official ''FIM'' website External links * Two-stroke gasoline engines Sidecarcross {{automotive-part-stub ...
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Two-stroke
A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a Thermodynamic power cycle, power cycle with two strokes (up and down movements) of the piston during one power cycle, this power cycle being completed in one revolution of the crankshaft. A four-stroke engine requires four strokes of the piston to complete a power cycle during two crankshaft revolutions. In a two-stroke engine, the end of the combustion stroke and the beginning of the compression stroke happen simultaneously, with the intake and exhaust (or Scavenging (automotive), scavenging) functions occurring at the same time. Two-stroke engines often have a high power-to-weight ratio, power being available in a narrow range of rotational speeds called the power band. Two-stroke engines have fewer moving parts than four-stroke engines. History The first commercial two-stroke engine involving cylinder compression is attributed to Scotland, Scottish engineer Dugald Clerk, who pa ...
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Motocross
Motocross is a form of off-road motorcycle racing held on enclosed off-road circuits. The sport evolved from motorcycle trials competitions held in the United Kingdom. History Motocross first evolved in Britain from motorcycle trials competitions, such as the Auto-Cycle Clubs's first quarterly trial in 1909 and the Scottish Six Days Trial that began in 1912. When organisers dispensed with delicate balancing and strict scoring of trials in favour of a race to become the fastest rider to the finish, the activity became known as "hare scrambles", said to have originated in the phrase, "a rare old scramble" describing one such early race. Though known as scrambles racing (or just scrambles) in the United Kingdom, the sport grew in popularity and the competitions became known internationally as "motocross racing", by combining the French word for motorcycle, ''motocyclette'', or ''moto'' for short, into a portmanteau with "cross country". The first known scramble race took place ...
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Sidecarcross
Sidecarcross racing, also known as sidecar motocross, is a branch of motocross. Regular motocross riders use solo machines, but a sidecarcross outfit has a different type of motorcycle chassis operated by a team of two people, a driver and a sidecar passenger. The earliest articles appear to show that sidecarcross started in the UK in the 1930s. Sidecarcross outfits Just as with road outfits, early sidecarcross outfits were little more than a solo bike with a sidecar^ Oxford English Dictionary (2nd ed.). Oxford University Press. 1989. "b. A vehicle designed to be attached to the (near-)side of a motor-cycle to accommodate one or more passengers. Occas. attached to a bicycle." attached to its frame by metal tubes. As the sport developed, sidecarcross outfits became more integrated, although most retained a tubular structure rather than a monocoque chassis. Sidecarcross outfit configuration tends to echo national road outfits, with the sidecar fitted to the "nearside": UK sidec ...
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Aeroplane
An airplane or aeroplane (informally plane) is a fixed-wing aircraft that is propelled forward by thrust from a jet engine, propeller, or rocket engine. Airplanes come in a variety of sizes, shapes, and wing configurations. The broad spectrum of uses for airplanes includes recreation, transportation of goods and people, military, and research. Worldwide, commercial aviation transports more than four billion passengers annually on airliners and transports more than 200 billion tonne-kilometersMeasured in RTKs—an RTK is one tonne of revenue freight carried one kilometer. of cargo annually, which is less than 1% of the world's cargo movement. Most airplanes are flown by a pilot on board the aircraft, but some are designed to be remotely or computer-controlled such as drones. The Wright brothers invented and flew the first airplane in 1903, recognized as "the first sustained and controlled heavier-than-air powered flight".
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Latvian People
Latvians ( lv, latvieši) are a Baltic ethnic group and nation native to Latvia and the immediate geographical region, the Baltics. They are occasionally also referred to as Letts, especially in older bibliography. Latvians share a common Latvian language, Latvian culture, culture and History of Latvia, history. History A Balto-Finnic languages, Balto-Finnic-speaking tribe known as the Livonian people, Livs settled among the Latvians and modulated the name to "Latvis", meaning "forest-clearers", which is how medieval Germany, German, Teutons, Teutonic settlers also referred to these peoples. The Germanic peoples, Germanic settlers referred to the natives as "Letts" and the nation to "Lettland", naming their colony Livonia or Livland. The Latin form, ''Livonia'', gradually referred to the whole territory of modern-day Latvia as well as southern Estonia, which had fallen under a minimal Germanic influence. Latvians and Lithuanians are the only surviving members of the Baltic Bal ...
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Kristers Serģis
Kristers Serģis (born January 14, 1974) is a retired Latvian sidecarcross rider and five times World Champion. Kristers Serģis came to the sidecarcross sport through his father, himself a rider in the days of the Soviet Union. He made it possible for his son to take up the sport after Latvian independence in 1990. Through sponsorship from a timber building company in Cēsis, it was possible for him to turn professional, a rarity in this sport. To be able to keep the traveling distances short, Kristers now lives in the Netherlands but returns to Latvia in the off-season to work at his motorcycle dealership, "Kristers Serģis Moto". Kristers Serģis has been voted "Latvian sports person of the year" multiple times, winning the award in 1997, 1998 and 2000. At the end of the 2008 season, Kristers Serģis retired from the sidecarcross sport. Sidecarcross world championship results Kristers Serģis entered the sidecarcross world championship in 1992, with Artis Rasmanis as his passe ...
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Artis Rasmanis
Artis Rasmanis (born 1971) is a retired Latvian sidecarcross passenger and five times World Champion. Rasmanis was part of the most successful partnership in sidecarcross world championship history, winning five titles with his driver Kristers Serģis. He retired from international sidecar competition after their fifth title in 2002. He is however still active in the motor sport, racing quad bikes now, finishing 12th in the FIM European championship in 2007. He now works as a manager at SIA "Rasmanis & Dankers". He originally graduated as an agricultural machinery mechanic from ''Priekuļi agricultural technical school'' in Cēsis District in 1990. In 2014, Rasmanis was elected as a deputy of the Saeima from the Union of Greens and Farmers. Sidecarcross world championship results Artis Rasmanis entered the sidecarcross world championship in 1992, with Kristers Serģis as his driver. After two seasons with limited success and starts, Serģis switched to Normunds Bērziņš as his ...
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MTH R 422-CG
The MTH R 422-CG is an Austrian aircraft engine, designed and produced by MTH Engines of Mattsee for use in ultralight aircraft.Tacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015-16'', pages 260-261. Flying Pages Europe SARL, 2015. Design and development The engine is a twin-cylinder two-stroke, in-line, displacement, liquid-cooled, gasoline engine design, with a toothed mechanical gearbox reduction drive with a reduction ratio of 3.0:1. It employs dual electronic ignition systems and produces at 6500 rpm, with a compression ratio The compression ratio is the ratio between the volume of the cylinder and combustion chamber in an internal combustion engine at their maximum and minimum values. A fundamental specification for such engines, it is measured two ways: the stati ... of 12:1. Specifications (R 422-CG) See also References External links *{{Official website, http://www.mth-engines.at/ MTH aircraft engines Two-stroke aircra ...
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Two-stroke Gasoline Engines
A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a power cycle with two strokes (up and down movements) of the piston during one power cycle, this power cycle being completed in one revolution of the crankshaft. A four-stroke engine requires four strokes of the piston to complete a power cycle during two crankshaft revolutions. In a two-stroke engine, the end of the combustion stroke and the beginning of the compression stroke happen simultaneously, with the intake and exhaust (or scavenging) functions occurring at the same time. Two-stroke engines often have a high power-to-weight ratio, power being available in a narrow range of rotational speeds called the power band. Two-stroke engines have fewer moving parts than four-stroke engines. History The first commercial two-stroke engine involving cylinder compression is attributed to Scottish engineer Dugald Clerk, who patented his design in 1881. However, unlike most later two-st ...
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