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Ride Height
Ride height or ground clearance is the amount of space between the base of an automobile tire and the lowest point of the automobile (typically the axle); or, more properly, to the shortest distance between a flat, level surface, and the lowest part of a vehicle other than those parts designed to contact the ground (such as tires, tracks, skis, etc.). Ground clearance is measured with standard vehicle equipment, and for cars, is usually given with no cargo or passengers. Function Ground clearance is a critical factor in several important characteristics of a vehicle. For all vehicles, especially cars, variations in clearance represent a trade-off between handling, ride quality, and practicality. A higher ride height and ground clearance means that the wheels have more vertical room to travel and absorb road shocks. Also, the car is more capable of being driven on roads that are not level, without the scraping against surface obstacles and possibly damaging the chassis and un ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Compact Sport Utility Vehicle
A compact sport utility vehicle or compact SUV is a class of small sport utility vehicles that is larger than mini SUVs, but smaller than mid-size SUVs. However, there is no official definition of the size or dimensions for this market segment. Moreover, some manufacturers have marketed the same model name on different sized vehicles over time. The most common distinction between versions of crossover automobiles and compact-sized SUVs is that the first is based on a car-based unibody platform, while an SUV uses the unibody with welded-in ladder frame or body-on-frame chassis commonly used on trucks. However, manufacturers and common usage has blurred the two terms. Many recent vehicles labelled as compact SUVs are technically compact crossovers and are built on the platform of a compact/C-segment passenger car, while some models may be based on a mid-size car (D-segment) or a B-segment platform. The modern compact SUV market segment began in 1983. According to a Car and Driv ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Car Handling
Automobile handling and vehicle handling are descriptions of the way a wheeled vehicle responds and reacts to the inputs of a driver, as well as how it moves along a track or road. It is commonly judged by how a vehicle performs particularly during cornering, acceleration, and braking as well as on the vehicle's directional stability when moving in steady state condition. In the automotive industry, handling and braking are the major components of a vehicle's "active" safety, as well as its ability to perform in auto racing. The maximum lateral acceleration is sometimes discussed separately as "road holding". (This discussion is directed at road vehicles with at least three wheels, but some of it may apply to other ground vehicles). Automobiles driven on public roads whose engineering requirements emphasize handling over comfort and passenger space are named sports cars. Factors that affect a car's handling Weight distribution Centre of mass height The centre of mass hei ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Suspension (vehicle)
Suspension is the system of tires, tire air, springs, shock absorbers and linkages that connects a vehicle to its wheels and allows relative motion between the two. Suspension systems must support both road holding/ handling and ride quality, which are at odds with each other. The tuning of suspensions involves finding the right compromise. It is important for the suspension to keep the road wheel in contact with the road surface as much as possible, because all the road or ground forces acting on the vehicle do so through the contact patches of the tires. The suspension also protects the vehicle itself and any cargo or luggage from damage and wear. The design of front and rear suspension of a car may be different. History An early form of suspension on ox-drawn carts had the platform swing on iron chains attached to the wheeled frame of the carriage. This system remained the basis for most suspension systems until the turn of the 19th century, although the iron c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
In Situ
''In situ'' (; often not italicized in English) is a Latin phrase that translates literally to "on site" or "in position." It can mean "locally", "on site", "on the premises", or "in place" to describe where an event takes place and is used in many different contexts. For example, in fields such as physics, geology, chemistry, or biology, ''in situ'' may describe the way a measurement is taken, that is, in the same place the phenomenon is occurring without isolating it from other systems or altering the original conditions of the test. The opposite of ''in situ'' is ''ex situ''. Aerospace In the aerospace industry, equipment on-board aircraft must be tested ''in situ'', or in place, to confirm everything functions properly as a system. Individually, each piece may work but interference from nearby equipment may create unanticipated problems. Special test equipment is available for this ''in situ'' testing. It can also refer to repairs made to the aircraft structure or flight con ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Coilover
A coilover is an automobile suspension device. The name coilover is an abbreviation of "coil-over shock absorber". Description Coilovers are found on many vehicles, from RC cars to normal passenger cars, race cars and 4x4 vehicles. They are sometimes used as a factory suspension option on new cars. Coilovers are used in double wishbone suspension systems, and are often a component of MacPherson struts. Two of the main types of coilovers are full coilovers and slip-on coilovers. Full coilovers are matched up with a shock absorber from the factory, while with slip-on coilovers, the dampers and springs are bought separately and then assembled. There are a large number of companies who make aftermarket coilovers for vehicles, many of which allow the customer to adjust various settings such as ride height and damping. Camber and caster angles can also be adjusted if the car's suspension allows, and if the coilovers are supplied with adjustable top mounts. This high degree of a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Air Suspension
Air suspension is a type of vehicle suspension powered by an electric or engine-driven air pump or compressor. This compressor pumps the air into a flexible bellows, usually made from textile-reinforced rubber. Unlike hydropneumatic suspension, which offers many similar features, air suspension does not use pressurized liquid, but pressurized air. The air pressure inflates the bellows, and raises the chassis from the axle. Overview Air suspension is used in place of conventional steel springs in heavy vehicle applications such as buses and trucks, and in some passenger cars. It is widely used on semi trailers and trains (primarily passenger trains). The purpose of air suspension is to provide a smooth, constant ride quality, but in some cases is used for sports suspension. Modern electronically controlled systems in automobiles and light trucks almost always feature self-leveling along with raising and lowering functions. Although traditionally called air bags or air bello ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hydropneumatic Suspension
Hydropneumatic suspension is a type of motor vehicle suspension system, designed by Paul Magès, invented by Citroën, and fitted to Citroën cars, as well as being used under licence by other car manufacturers, notably Rolls-Royce ( Silver Shadow), Bmw 5-Series e34 Touring, Maserati ( Quattroporte II) and Peugeot. It was also used on Berliet trucks and has more recently been used on Mercedes-Benz cars, where it is known as ''Active Body Control.'' The Toyota Soarer UZZ32 "Limited" was fitted with a fully integrated four-wheel steering and a complex, computer-controlled hydraulic ''Toyota Active Control Suspension'' in 1991. Similar systems are also widely used on modern tanks and other large military vehicles. The suspension was referred to as ''oléopneumatique'' in early literature, pointing to oil and air as its main components. The purpose of this system is to provide a sensitive, dynamic and high-capacity suspension that offers superior ride quality on a variety of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Height Adjustable Suspension
Height adjustable suspension is a feature of certain automobile suspension systems that allow the motorist to vary the ride height or ground clearance. This can be done for various reasons including giving better ground clearance over rough terrain, a lower ground clearance to improve performance and fuel economy at high speed, or for stylistic reasons. Such a feature requires fairly sophisticated engineering. Height adjustment is most often achieved by air or oil compression used for the "springs" of the vehicle when the pressure is varied the vehicle body rises or lowers. Factory systems for cars The first instance of a production vehicle with adjustable suspension was on the 1954 Citroën 15CVH. This vehicle featured a self-leveling, height adjustable hydropneumatic suspension. Since this time, these systems have appeared continuously on Citroën models, including the DS and CX. Height adjustable suspension was banned in the United States from 1974 to 1981, due to t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tesla Model S
The Tesla Model S is a battery-powered liftback car serving as the flagship model of Tesla, Inc. The Model S features a dual-motor, all-wheel drive layout, although earlier versions of the Model S featured a rear-motor and rear-wheel drive layout. Development of the Model S began prior to 2007, under the codename "WhiteStar". The Model S was officially announced on June 30, 2008, and a prototype vehicle was unveiled in March 2009. The Model S debuted on June 22, 2012. A revised, dual-motor, all-wheel-drive version, known as the 60D, debuted on October 9, 2014. The 60D was followed by the 70D, which made dual-motor and all-wheel drive the standard, followed by the 85D, P85D, and P90D. Along with these updates, Tesla offered the Autopilot driving assistance system. In April 2016, the Model S was updated with a new front hood design. In October of the same year, hardware became standard that supports Tesla's Full Self Driving (FSD) capability. As part of the update, integrated ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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