Nigusil
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Nigusil
Nigusil is a patented metal alloy created by Moto Guzzi for motorcycle cylinder liners. The name is an acronym for Nickel-Guzzi-Silicon. Moto Guzzi, having successfully created the first engine with a chromed cylinder lining, continued research to find a material that could replace chrome. The research culminated with Nigusil, a nickel-silicon alloy applied to the cylinder through special procedures. This innovation allowed lower friction coefficient in the engine, significantly lower levels of mechanical parts wear, and considerable savings of lubricant. Treatment of cylinders through Nigusil was also used by many manufacturers, Maserati among them, and generally on racing engines. Nigusil was introduced in 1979 on the 350 cc V35, then the V50 and 850T4. It was also used on the higher performance 850 cc 850 Le Mans II model. From engine 80390 (in Europe) in mid-1980, the Nigusil-plated bores introduced with the second series of the II engine allowed the use of li ...
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Nikasil
Nikasil is a trademarked electrodeposited lipophilic nickel matrix silicon carbide coating for engine components, mainly piston engine cylinder liners. Development Nikasil was introduced by Mahle in 1967, and initially developed to allow Wankel engine apex seals (NSU Ro 80, Citroën GS Birotor and Mercedes C111) to work directly against the aluminium housing. This coating allowed aluminium cylinders and pistons to work directly against each other with low wear and friction. Unlike other methods, including cast iron cylinder liners, Nikasil allowed very large cylinder bores with tight tolerances. This made it possible for existing engine designs to be expanded easily. The aluminium cylinders also gave a much better heat conductivity than cast iron liners, an important attribute for a high-output engine. The coating was further developed as a replacement for hard-chrome plated cylinder bores for Mercury Marine Racing, Kohler Engines, and as a repair replacement for factory-chrome ...
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Moto Guzzi Le Mans
The Moto Guzzi Le Mans is a sports motorcycle first manufactured in 1976 by Italian company Moto Guzzi. It was named after the 24-hour motorcycle endurance race at Le Mans in France. The Le Mans designation was first used for an 850 prototype, based on the V7, displayed at Premio Varrone in late 1972. The original ''850'' Le Mans was a café racer with clip-on handlebars and a bikini nose fairing, but in the face of more and more powerful bikes from other manufacturers later models were developed more as sports tourers with a three-quarter fairing. A marketing success, the Le Mans competed against Italian superbikes from Ducati and Laverda. The original Le Mans was continually developed and spawned several later models, a final versions appearing in the early 1990s. Design The basic design of the Le Mans remained essentially the same throughout the production run: Engine The engine developed from the earlier Moto Guzzi 750s is an aircooled 90 degree OHV V-Twin was at the time an ...
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Metal Alloy
An alloy is a mixture of chemical elements of which at least one is a metal. Unlike chemical compounds with metallic bases, an alloy will retain all the properties of a metal in the resulting material, such as electrical conductivity, ductility, opacity, and luster, but may have properties that differ from those of the pure metals, such as increased strength or hardness. In some cases, an alloy may reduce the overall cost of the material while preserving important properties. In other cases, the mixture imparts synergistic properties to the constituent metal elements such as corrosion resistance or mechanical strength. Alloys are defined by a metallic bonding character. The alloy constituents are usually measured by mass percentage for practical applications, and in atomic fraction for basic science studies. Alloys are usually classified as substitutional or interstitial alloys, depending on the atomic arrangement that forms the alloy. They can be further classified as homogene ...
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Maserati
Maserati S.p.A. () is an Italian luxury vehicle manufacturer. Established on 1 December 1914, in Bologna, Italy, the company's headquarters are now in Modena, and its emblem is a trident. The company has been owned by Stellantis since 2021. Maserati was initially associated with Ferrari. In May 2014, due to ambitious plans and product launches, Maserati sold a record of over 3,000 cars in one month. This caused them to increase production of the Maserati Quattroporte, Quattroporte and Maserati Ghibli (M157), Ghibli models. In addition to the Ghibli and Quattroporte, Maserati offers the Maserati GranTurismo and the Maserati Levante (the first ever Maserati SUV). Maserati has placed a yearly production output cap at 75,000 vehicles globally. History The Maserati brothers The Maserati brothers, Alfieri Maserati, Alfieri (1887–1932), Bindo Maserati, Bindo (1883–1980), Carlo Maserati, Carlo (1881–1910), Ettore Maserati, Ettore (1894–1990), and Ernesto Maserati, Ernesto ( ...
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Piston Ring
A piston ring is a metallic split ring that is attached to the outer diameter of a piston in an internal combustion engine or steam engine. The main functions of piston rings in engines are: # Sealing the combustion chamber so that there is minimal loss of gases to the crank case. # Improving heat transfer from the piston to the cylinder wall. # Maintaining the proper quantity of the oil between the piston and the cylinder wall # Regulating engine oil consumption by scraping oil from the cylinder walls back to the sump. Most piston rings are made from cast iron or steel. Design Piston rings are designed to seal the gap between the piston and the cylinder wall. If this gap were too small, thermal expansion of the piston could mean the piston seizes in the cylinder, causing serious damage to the engine. On the other hand, a large gap would cause insufficient sealing of the piston rings against the cylinder walls, resulting in excessive blow-by (combustion gases entering the ...
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Moto Guzzi 850T
Moto, Motos or MOTO may refer to: Business * Moto Hospitality, a chain of motorway service stations in the United Kingdom * Moto Gold Mines, an exploration and mining company acquired by Randgold Resources * Moto (restaurant), a restaurant in Chicago known for its "high-tech" food *Motorola Mobility, whose nickname was "Moto" during the feature-phone era before the rise of smartphones when the company was a division of Motorola **Motorola Moto, a brand of smartphones and smartwatches manufactured by Motorola Mobility People * Moto Hagio (born 1949), Japanese manga artist * Hirokuni Moto (born 1970), Japanese boxer * Iwa Moto, screen name of Filipino Japanese actress and model Aileen Iwamoto (born 1988) * Kaoru Moto (1917–1992), U.S. Army soldier awarded the Medal of Honor * Severo Moto Nsá (born 1943), opposition politician in Equatorial Guinea known as Severo Moto * Yves Bitséki Moto (born 1983), Gabonese football goalkeeper * Pablo Motos (born 1965), Spanish television show ...
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Moto Guzzi V50
Moto, Motos or MOTO may refer to: Business * Moto Hospitality, a chain of motorway service stations in the United Kingdom * Moto Gold Mines, an exploration and mining company acquired by Randgold Resources * Moto (restaurant), a restaurant in Chicago known for its "high-tech" food *Motorola Mobility, whose nickname was "Moto" during the feature-phone era before the rise of smartphones when the company was a division of Motorola **Motorola Moto, a brand of smartphones and smartwatches manufactured by Motorola Mobility People * Moto Hagio (born 1949), Japanese manga artist * Hirokuni Moto (born 1970), Japanese boxer * Iwa Moto, screen name of Filipino Japanese actress and model Aileen Iwamoto (born 1988) * Kaoru Moto (1917–1992), U.S. Army soldier awarded the Medal of Honor * Severo Moto Nsá (born 1943), opposition politician in Equatorial Guinea known as Severo Moto * Yves Bitséki Moto (born 1983), Gabonese football goalkeeper * Pablo Motos (born 1965), Spanish television show ...
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Moto Guzzi V35
Moto, Motos or MOTO may refer to: Business * Moto Hospitality, a chain of motorway service stations in the United Kingdom * Moto Gold Mines, an exploration and mining company acquired by Randgold Resources * Moto (restaurant), a restaurant in Chicago known for its "high-tech" food *Motorola Mobility, whose nickname was "Moto" during the feature-phone era before the rise of smartphones when the company was a division of Motorola **Motorola Moto, a brand of smartphones and smartwatches manufactured by Motorola Mobility People * Moto Hagio (born 1949), Japanese manga artist * Hirokuni Moto (born 1970), Japanese boxer * Iwa Moto, screen name of Filipino Japanese actress and model Aileen Iwamoto (born 1988) * Kaoru Moto (1917–1992), U.S. Army soldier awarded the Medal of Honor * Severo Moto Nsá (born 1943), opposition politician in Equatorial Guinea known as Severo Moto * Yves Bitséki Moto (born 1983), Gabonese football goalkeeper * Pablo Motos (born 1965), Spanish television show ...
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Friction Coefficient
Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. There are several types of friction: *Dry friction is a force that opposes the relative lateral motion of two solid surfaces in contact. Dry friction is subdivided into ''static friction'' ("stiction") between non-moving surfaces, and ''kinetic friction'' between moving surfaces. With the exception of atomic or molecular friction, dry friction generally arises from the interaction of surface features, known as asperities (see Figure 1). *Fluid friction describes the friction between layers of a viscous fluid that are moving relative to each other. *Lubricated friction is a case of fluid friction where a lubricant fluid separates two solid surfaces. *Skin friction is a component of drag, the force resisting the motion of a fluid across the surface of a body. *Internal friction is the force resisting motion between the elements making up a sol ...
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Moto Guzzi
Moto Guzzi is an Italian motorcycle manufacturer and the oldest European manufacturer in continuous motorcycle production. Established in 1921 in Mandello del Lario, Italy, the company is noted for its historic role in Italy's motorcycling manufacture, its prominence worldwide in motorcycle racing, and industry innovations—including the first motorcycle centre stand, wind tunnel and eight-cylinder engine. Since 2004, Moto Guzzi has been an ''unico azionista'', a wholly owned subsidiary, and one of seven brands owned by Piaggio & C. SpA, Europe's largest motorcycle manufacturer and the world's fourth largest motorcycle manufacturer by unit sales. The company's motorcycles are noted for their air-cooled 90° V-twin engines with a longitudinal crankshaft orientation where the engines' transverse cylinder heads project prominently on either side of the motorcycle. History Similar to other storied motorcycle manufacturers that have survived for decades, Moto Guzzi has experie ...
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Silicon
Silicon is a chemical element with the symbol Si and atomic number 14. It is a hard, brittle crystalline solid with a blue-grey metallic luster, and is a tetravalent metalloid and semiconductor. It is a member of group 14 in the periodic table: carbon is above it; and germanium, tin, lead, and flerovium are below it. It is relatively unreactive. Because of its high chemical affinity for oxygen, it was not until 1823 that Jöns Jakob Berzelius was first able to prepare it and characterize it in pure form. Its oxides form a family of anions known as silicates. Its melting and boiling points of 1414 °C and 3265 °C, respectively, are the second highest among all the metalloids and nonmetals, being surpassed only by boron. Silicon is the eighth most common element in the universe by mass, but very rarely occurs as the pure element in the Earth's crust. It is widely distributed in space in cosmic dusts, planetoids, and planets as various forms of silicon dioxide ( ...
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Nickel
Nickel is a chemical element with symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge. Nickel is a hard and ductile transition metal. Pure nickel is chemically reactive but large pieces are slow to react with air under standard conditions because a passivation layer of nickel oxide forms on the surface that prevents further corrosion. Even so, pure native nickel is found in Earth's crust only in tiny amounts, usually in ultramafic rocks, and in the interiors of larger nickel–iron meteorites that were not exposed to oxygen when outside Earth's atmosphere. Meteoric nickel is found in combination with iron, a reflection of the origin of those elements as major end products of supernova nucleosynthesis. An iron–nickel mixture is thought to compose Earth's outer and inner cores. Use of nickel (as natural meteoric nickel–iron alloy) has been traced as far back as 3500 BCE. Nickel was first isolated and classified as an e ...
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