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Dual-clutch
A dual-clutch transmission (DCT) (sometimes referred to as a twin-clutch transmission) is a type of multi-speed vehicle transmission system, that uses two separate clutches for odd and even gear sets. The design is often similar to two separate manual transmissions with their respective clutches contained within one housing, and working as one unit. In car and truck applications, the DCT functions as an automatic transmission, requiring no driver input to change gears. The first DCT to reach production was the ''Easidrive'' automatic transmission introduced on the 1961 Hillman Minx mid-size car. This was followed by various eastern European tractors through the 1970s (using manual operation via a single clutch pedal), then the Porsche 962 C racing car in 1985. The first DCT of the modern era was used in the 2003 Volkswagen Golf R32. Since the late 2000s, DCTs have become increasingly widespread, and have supplanted hydraulic automatic transmissions in various models of cars. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dual-clutch Transmission
A dual-clutch transmission (DCT) (sometimes referred to as a twin-clutch transmission) is a type of multi-speed vehicle transmission system, that uses two separate clutches for odd and even gear sets. The design is often similar to two separate manual transmissions with their respective clutches contained within one housing, and working as one unit. In car and truck applications, the DCT functions as an automatic transmission, requiring no driver input to change gears. The first DCT to reach production was the ''Easidrive'' automatic transmission introduced on the 1961 Hillman Minx mid-size car. This was followed by various eastern European tractors through the 1970s (using manual operation via a single clutch pedal), then the Porsche 962 C racing car in 1985. The first DCT of the modern era was used in the 2003 Volkswagen Golf R32. Since the late 2000s, DCTs have become increasingly widespread, and have supplanted hydraulic automatic transmissions in various models of car ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Automatic Transmission
An automatic transmission (sometimes abbreviated to auto or AT) is a multi-speed transmission (mechanics), transmission used in internal combustion engine-based motor vehicles that does not require any input from the driver to change forward gears under normal driving conditions. It typically includes a transmission, axle, and Differential (mechanical device), differential in one integrated assembly, thus technically becoming a transaxle. The most common type of automatic transmission is the #Hydraulic automatics, hydraulic automatic, which uses a planetary gearset, Hydraulic machinery, hydraulic controls, and a torque converter. Other types of automatic transmissions include continuously variable transmissions (CVT), automated manual transmissions (AMT), and dual-clutch transmissions (DCT). An electronic automatic transmission (EAT) may also be called an electronically controlled transmission (ECT), or electronic automatic transaxle (EATX). A hydraulic automatic transmission may ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Direct-shift Gearbox
A direct-shift gearbox (DSG, german: Direktschaltgetriebe) is an electronically-controlled, dual-clutch, multiple-shaft, automatic gearbox, in either a transaxle or traditional transmission layout (depending on engine/drive configuration), with automated clutch operation, and with fully-automatic or semi-manual gear selection. The first dual-clutch transmissions were derived from Porsche in-house development for the Porsche 962 in the 1980s. In simple terms, a DSG automates two separate "manual" gearboxes (and clutches) contained within one housing and working as one unit. It was designed by BorgWarner and is licensed to the Volkswagen Group, with support by IAV GmbH. By using two independent clutches, a DSG can achieve faster shift times and eliminates the torque converter of a conventional epicyclic automatic transmission. Overview Transverse DSG At the time of launch in 2003, it became the world's first automated dual-clutch transmission in a series-productio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Transmission (mechanics)
Propulsion transmission is the mode of transmitting and controlling propulsion power of a machine. The term ''transmission'' properly refers to the whole drivetrain, including clutch, gearbox, prop shaft (for rear-wheel drive vehicles), differential, and final drive shafts. In the United States the term is sometimes used in casual speech to refer more specifically to the gearbox alone, and detailed usage differs. The transmission reduces the higher engine speed to the slower wheel speed, increasing torque in the process. Transmissions are also used on pedal bicycles, fixed machines, and where different rotational speeds and torques are adapted. Often, a transmission has multiple gear ratios (or simply "gears") with the ability to switch between them as the speed varies. This switching may be done manually (by the operator) or automatically (by a control unit). Directional (forward and reverse) control may also be provided. Single-ratio transmissions also exist, which simply ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shelby Mustang
The Shelby Mustang is a high-performance variant of the Ford Mustang built by Shelby American from 1965 to 1967 and by the Ford Motor Company from 1968 to 1970. In 2005, Ford revived the Shelby nameplate for a high-performance model of the fifth-generation Ford Mustang. 1st generation (1965–1970) 1965–1966 Shelby GT350 The 1965–1966 cars were the smallest and lightest of the GT 350 models. These cars are often called "Cobras", which was the Ford-powered AC-based two-seat sports car also produced by Shelby American during the same period. Both models use the Cobra emblem, similar paint scheme, and the optional "Cobra" valve covers on many GT350s that were part of a marketing tie-in by Shelby, as well as one of his iconic symbols. All 1965–66 cars had the Windsor HiPo K-Code V8 engine, modified with a large 4-barrel Holley 715 CFM carburetor to produce at 6,000 rpm and of torque at 4,200 rpm. Marketing literature referred to this engine as the " ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Clutch
A clutch is a mechanical device that engages and disengages power transmission, especially from a drive shaft to a driven shaft. In the simplest application, clutches connect and disconnect two rotating shafts (drive shafts or line shafts). In these devices, one shaft is typically attached to an engine or other power unit (the driving member), while the other shaft (the driven member) provides output power for work. Typically the motions involved are rotary, but linear clutches also exist. In a motor vehicle, the clutch acts as a mechanical linkage between the engine and transmission, and briefly disconnects, or separates the engine from the transmission system. This disconnects the drive wheels whenever the clutch pedal is depressed, allowing the driver to smoothly change gears. In a torque-controlled drill, for instance, one shaft is driven by a motor, and the other drives a drill chuck. The clutch connects the two shafts so they may be locked together and spin at th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hillman Minx
The Hillman Minx was a mid-sized family car that British car maker Hillman produced from 1931 to 1970. There were many versions of the Minx over that period, as well as badge-engineered variants sold by Humber, Singer, and Sunbeam. From the mid-1950s to the mid-1960s, the Minx and its derivatives were the greatest-volume sellers of the "Audax" family of cars from Rootes, which also included the Singer Gazelle and Sunbeam Rapier. The final version of the Minx was the "New Minx" launched in 1967, which was part of the "Arrow" family and essentially a basic version of the Hillman Hunter. Generally, the Minx was available in four-door saloon and estate forms, with a 1496-cc engine. The Hillman Super Minx was a slightly larger model offered during the Audax era. Throughout the life of the Minx, there was usually an estate version—and, from 1954 to 1965, a short-wheelbase estate, the Hillman Husky, and a van derivative known as the Commer Cob. The Minx model name was revived ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Porsche 962
The Porsche 962 (also known as the 962C in its Group C form) is a sports-prototype racing car built by Porsche as a replacement for the 956 and designed mainly to comply with IMSA's GTP regulations, although it would later compete in the European Group C formula as the 956 had. The 962 was introduced at the end of 1984, from which it quickly became successful through private owners while having a remarkably long-lived career, with some examples still proving competitive into the mid-1990s. The vehicle was later replaced by the Porsche WSC-95. Development When the Porsche 956 was developed in late 1981, the intention of Porsche was to run the car in both the World Sportscar Championship and the North American IMSA GTP Championship. However IMSA GTP regulations differed from Group C and subsequently the 956 was banned in the US series on safety grounds as the driver's feet were ahead of the front axle center line. To make the 956 eligible under the new IMSA regulations, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Koenigsegg Jesko
The Koenigsegg Jesko is a limited production mid-engine sports car produced by Swedish automobile manufacturer Koenigsegg. Introduced at the 2019 Geneva Motor Show, the car succeeds the Agera. The name ''Jesko'' is a tribute to the company founder's father, Jesko von Koenigsegg. Specifications Engine The engine is a development of the 5.0-litre twin-turbocharged V8 engine used in the Agera. It has four valves per cylinder each with a bore and stroke of and a compression ratio of 8.6:1. The engine has a power output of at 7800 rpm and of torque at 2700 to 6170 rpm on normal gasoline and has a power output of and of torque at 5,100 rpm on E85 biofuel. Changes from the Agera's engine include the use of a new 180-degree flat-plane crank The flat-plane crank (sometimes flatplane) is a type of crankshaft for use in internal combustion engines that has a 180 degree angle between crank throws. Details Flat-plane cranks are used in V-configuration engines, genera ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Porsche 956
The Porsche 956 was a Group C sports-prototype racing car designed by Norbert Singer and built by Porsche in 1982 for the FIA World Sportscar Championship. It was later upgraded to the 956B in 1984. In 1983, driven by Stefan Bellof, this car established a record that would stand for 35 years, lapping the famed 20.832 km (12.93 mi) Nürburgring Nordschleife in 6:11.13 during qualifying for the 1000 km Sports Car race. The record was finally surpassed by Timo Bernhard in a derestricted Porsche 919 Evo on 29 June 2018. Development Built to comply with the championship's new Group C regulations which were introduced in 1982, the car was a replacement for Porsche's successful 936 model which competed in the previous Group 6 category of the World Championship. The project began in June 1981, and the first prototype chassis was completed on March 27, 1982, in time for the beginning of the World Championship season. Jürgen Barth tested the first chassis at Porsche' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Citroën Traction Avant
The Citroën Traction Avant () is the world’s first unibody front-wheel-drive car. A range of mostly 4-door saloons and executive cars, were made with four or six-cylinder engines, produced by the French manufacturer Citroën from 1934 to 1957. Approximately 760,000 units were produced. Whilst front-wheel drive and independent suspension had been established in the mass market by Auto Union and subsequently others some years before, the Traction Avant pioneered mass-production of a crash resistant, unitary, monocoque body. Additionally, the car was also an early adopter of rack and pinion steering. Although the car's name emphasized its front-wheel drive power delivery ("Traction Avant" literally means “front traction”), the car stood out at least as much by its much lower profile and stance – made possible by the absence of a separate chassis under the car's unitary body – sharply distinguishing it visually from its contemporaries. History The Traction Avant, F ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Volkswagen Group
Volkswagen AG (), known internationally as the Volkswagen Group, is a German multinational automotive manufacturer headquartered in Wolfsburg, Lower Saxony, Germany. The company designs, manufactures and distributes passenger and commercial vehicles, motorcycles, engines and turbomachinery, as well as offering related services, including financing, leasing and fleet management. In 2016, it was the world's largest automaker by sales, and keeping this title in 2017, 2018 and 2019, selling 10.9 million vehicles. It has maintained the largest market share in Europe for over two decades. It ranked seventh in the 2020 ''Fortune'' Global 500 list of the world's largest companies. The Volkswagen Group sells passenger cars under the Audi, Bentley, Cupra, Lamborghini, Porsche, SEAT, Škoda and Volkswagen brands; motorcycles under the Ducati name; light commercial vehicles under the Volkswagen Commercial Vehicles brand; and heavy commercial vehicles via the marques of listed sub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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