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Ligier Nissan DPi
The Ligier Nissan DPi, also known as the Onroak Nissan DPi is a Daytona Prototype car built by Ligier Automotive. The car is based on the Ligier JS P217, which was built to meet the 2017 FIA and ACO regulations for 2017 for the LMP2 category in the FIA World Endurance Championship. The prototype made its racing debut at the 2017 24 Hours of Daytona, with the Tequila Patrón ESM team, finishing 4th on its debut. Development On 21 September 2016, it was announced by Scott Sharp, the team owner of Tequila Patrón ESM, that the team would be returning to the IMSA WeatherTech SportsCar Championship full time for 2017, and departing the FIA World Endurance Championship. Simultaneously, it was announced that the team would be renewing its agreement with OAK Racing, and Onroak Automotive, and signing a new multi-year partnership with Nissan Nismo, who would supply the team the VR38DETT 3.8L V6 engine used in the Nissan GT-R GT3. It had been earlier rumored that the team would be runnin ...
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Daytona Prototype International
A Daytona Prototype International (DPi) was a type of sports prototype racing car developed specifically for the International Motor Sports Association's WeatherTech SportsCar Championship, as their top class of car, acting as a direct replacement, and spiritual successor of the Daytona Prototypes. They are named after the main series event, the Rolex 24 at Daytona. The class made its racing debut at the 2017 24 Hours of Daytona. The Daytona Prototype International was replaced by a joint IMSA-Automobile Club de l'Ouest, ACO class known as Le Mans Daytona h, Le Mans Daytona h (LMDh) for the IMSA WeatherTech SportsCar Championship in 2023. Additionally, the LMDh class is also able to compete in the 24 Hours of Le Mans and the FIA World Endurance Championship in 2023. Developmental History On 2 July 2015, IMSA announced the base regulations for its then un-named new for 2017 Prototype class of the WeatherTech SportsCar Championship, WeatherTech Sportscar Championship, which woul ...
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Romain Dumas
Romain Dumas (born 14 December 1977) is a French racing driver and driver for Glickenhaus in the World Endurance Championship. He first started out in karting and single-seater before becoming an expert driver in endurance racing, GT and sport-prototype. He has won the greatest races of the discipline, such as the 24 Hours of Le Mans, the 24 Hours of Spa, the Nürburgring 24 Hours, and the 12 Hours of Sebring. He has been one of Porsche's factory drivers since 2004. He's also been contracted to Audi from 2009 to 2012, Volkswagen from 2017 to 2019, and Ford Performance since 2022. Adding to this, Dumas is a Chopard ambassador. Biography Born in Alès, Dumas started karting in 1992, in 1996 he competed in the French Formula Renault Championship. In 1998, he joined the French Formula 3 Championship. He tested a Formula 3000 car for Oreca in 1999, a Renault F1 in 2002, and in 2004 a Conquest Racing Champ Car, but he did not proceed to race in these formulas.Two years after h ...
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Continental AG
Continental AG, commonly known as Continental and colloquially as Conti, is a German multinational automotive parts manufacturing company. Headquartered in Hanover, Lower Saxony, it is the world's third- largest automotive supplier and the fourth-largest tire manufacturer. Continental specializes in tires, brake systems, vehicle electronics, automotive safety, powertrain, chassis components, tachographs, and other parts for the automotive and transportation industries. The company is structured into six divisions named ''Chassis and Safety'', ''Powertrain'', ''Interior'', ''Tires'', ''ContiTech'', and ''Advanced Driver Assistance Systems'' (ADAS). It sells tires for automobiles, motorcycles, and bicycles worldwide under the Continental brand. It also produces and sells other brands with more select distribution, such as Viking (limited global presence), General Tire (U.S./Canada), Gislaved Tires (Canada, Spain, Nordic Markets), Semperit Tyres, Barum to serve EU and Russ ...
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Michelin
Michelin ( , ), in full ("General Company of the Michelin Enterprises P.L.S."), is a French multinational tyre manufacturing company based in Clermont-Ferrand in the Auvergne-Rhône-Alpes '' région'' of France. It is the second largest tyre manufacturer in the world behind Bridgestone and larger than both Goodyear and Continental. In addition to the Michelin brand, it also owns the Kléber tyres company, Uniroyal-Goodrich Tire Company, SASCAR, Bookatable and Camso brands. Michelin is also notable for its Red and Green travel guides, its roadmaps, the Michelin stars that the Red Guide awards to restaurants for their cooking, and for its company mascot Bibendum, colloquially known as the Michelin Man, who is a humanoid consisting of tyres. Michelin's numerous inventions include the removable tyre, the pneurail (a tyre for rubber-tyred metros) and the radial tyre. Michelin manufactures tyres for Space Shuttles, aircraft, automobiles, heavy equipment, motorcycles ...
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Sequential Manual Transmission
A sequential manual transmission, also known as a sequential gearbox or sequential transmission, is a type of Non-synchronous transmission, non-synchronous manual transmission used mostly in motorcycles and Auto racing, racing cars. It produces faster shift times than traditional Manual transmission#Synchronized transmission, synchronized manual transmissions, and restricts the driver to selecting either the next or previous gear, in a successive order. Design A sequential manual transmission is non-synchronous transmission, unsynchronized, and allows the driver to select either the next gear (e.g. shifting from first gear to second gear) or the previous gear (e.g., shifting from third gear to second gear), operated either via electronic paddle-shifters mounted behind the steering wheel or with a sequential shifter. This restriction avoids accidentally selecting the wrong gear; however, it also prevents the driver from deliberately "skipping" gears. The use of dog clutches (ra ...
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Hewland
Hewland is a British engineering company, founded in 1957 by Mike Hewland, which specialises in racing-car gearboxes. Hewland currently employ 130 people at their Maidenhead facility and have diversified into a variety of markets being particularly successful in electric vehicle transmission supply. Hewland are currently supplying into Formula 1, Formula E, DTM, LMP, Rallycross, Prototype and GT Sportscar. At the beginning of 2021, Hewland was acquired by Indian Hero Motors Company. History Mike Hewland ran a small engineering business at Maidenhead in the UK with the speciality in gear cutting. In 1959, Bob Gibson-Jarvie, the Chief Mechanic of UDT Laystall racing team running Cooper F2 cars, sought help from Hewland as gearbox troubles were experienced. The result of this request came out as six successful gearboxes being designed and built in 1959, and Hewland was in the gearbox business. The first transaxle product, the Hewland Mk.I of 1960, was a minor modification of ...
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Mid-engine Design
In automotive engineering, a mid-engine layout describes the placement of an automobile engine in front of the rear-wheel axles, but behind the front axle. History The mid-engine, rear-wheel-drive format can be considered the original layout of automobiles. A 1901 Autocar was the first gasoline-powered automobile to use a drive shaft and placed the engine under the seat. This pioneering vehicle is now in the collection of the Smithsonian Institution. Benefits Mounting the engine in the middle instead of the front of the vehicle puts more weight over the rear tires, so they have more traction and provide more assistance to the front tires in braking the vehicle, with less chance of rear-wheel lockup and less chance of a skid or spin out. If the mid-engine vehicle is also rear-drive the added weight on the rear tires can also improve acceleration on slippery surfaces, providing much of the benefit of all-wheel-drive without the added weight and expense of all-wheel-drive com ...
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Longitudinal Engine
In automotive engineering, a longitudinal engine is an internal combustion engine in which the crankshaft is oriented along the long axis of the vehicle, from front to back. See also: transverse engine Use This type of motor is usually used for rear-wheel drive cars, except for some Audi, SAAB, the Oldsmobile Toronado, and the 1967 Cadillac Eldorado equipped with longitudinal engines in front wheel drive. In front-wheel drive cars a transverse engine is usually used. Trucks often have longitudinal engines with rear-wheel drive. For motorcycles, the use of a particular type depends on the drive: in the case of a chain or belt drive a transverse engine is usually used, and with shaft drives a longitudinal engine. Longitudinal engines in motorcycles do have one disadvantage: the "tipping point" of the crankshaft tilts along the entire motorcycle to a greater or lesser degree when accelerating. This is partly resolved by having other components, such as the generator and the ge ...
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Nissan VR Engine
The VR is a series of twin-turbo Dual overhead camshaft, DOHC V6 engine, V6 automobile engines from Nissan Motor Co., Ltd., Nissan with Engine displacement, displacements of 3.0, 3.5, and 3.8 L. An evolution of the widely successful Nissan VQ engine, VQ series, it also draws on developments from the Nissan VRH engine, VRH, Super GT, JGTC, and Nissan R390 GT1 Le Mans racing engines. VR30 series VR30DDTT Announced by Infiniti on December 15, 2015 the VR30DDTT was first made available in the Infiniti Q50, Infiniti Q50 sedan, followed by the Infiniti Q60#Second generation (CV37, 2017–present), Infiniti Q60 coupé a year later. Both platforms come in a version. It is on the Ward's 10 Best Engines list for 2017 and 2018. Features: * Aluminium block with arc sprayed mirror coating to cylinder bores * Aluminium cylinder head * Lightweight resin intake and lower oil pan * Compact twin direct-mount turbos with integrated exhaust manifold and electronic wastegate actuator * Twin water- ...
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Nissan
is a Japanese multinational Automotive industry, automobile manufacturer headquartered in Yokohama, Kanagawa, Japan. The company sells its vehicles under the ''Nissan'' and ''Infiniti'' brands, and formerly the ''Datsun'' brand, with in-house performance tuning products (including cars) under the Nismo and Autech brands. The company traces back to the beginnings of the 20th century, with the Nissan ''zaibatsu'' or called Nissan Group. Since 1999, Nissan has been part of the Renault–Nissan–Mitsubishi Alliance (Mitsubishi joining in 2016), a partnership between Nissan and Mitsubishi Motors of Japan, with Renault of France. , Renault holds a 15% voting stake in Nissan, while Nissan holds the same stake in Renault. Since October 2016, Nissan held a 34% controlling stake in Mitsubishi Motors. In November 2024, Nissan reduced its stake in Mitsubishi Motors from 34% to 24%. Nissan planned to merge with Honda Motor Company in 2026, after an announcement in December 2024. However by ...
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Shock Absorber
A shock absorber or damper is a mechanical or hydraulics, hydraulic device designed to absorb and Damping ratio, damp shock (mechanics), shock impulses. It does this by converting the kinetic energy of the shock into another form of energy (typically thermal energy, heat) which is then dissipated. Most shock absorbers are a form of dashpot (a damper which resists motion via viscous friction). Description Pneumatic and hydraulic shock absorbers are used in conjunction with cushions and springs. An automobile shock absorber contains spring-loaded check valves and orifices to control the flow of oil through an internal piston (see below). One design consideration, when designing or choosing a shock absorber, is where that energy will go. In most shock absorbers, energy is converted to heat inside the viscous fluid. In hydraulic cylinders, the hydraulic fluid heats up, while in Pneumatic cylinder, air cylinders, the hot air is usually exhausted to the atmosphere. In other types of ...
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Double Wishbone Suspension
A double wishbone suspension is an independent suspension design for automobiles using two (occasionally parallel) wishbone-shaped arms to locate the wheel. Each wishbone or arm has two mounting points to the chassis and one joint at the knuckle. The shock absorber and coil spring mount to the wishbones to control vertical movement. Double wishbone designs allow the engineer to carefully control the motion of the wheel throughout suspension travel, controlling such parameters as camber angle, caster angle, toe pattern, roll center height, scrub radius, scuff ( mechanical abrasion), and more. Implementation The double-wishbone suspension can also be referred to as "double A-arms", though the arms themselves can be A-shaped or L-shaped. A single wishbone or A-arm can also be used in various other suspension types, such as variations of the MacPherson strut. The upper arm is usually shorter to induce negative camber as the suspension jounces (rises), and often this arrangement ...
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