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Car hydraulics are equipment installed in an automobile that allows for a dynamic adjustment in height of the vehicle. These suspension modifications are often placed in a lowrider, i.e., a vehicle modified to lower its ground clearance below that of its original design. With these modifications, the body of the car can be raised by remote control. The amount and kind of hydraulic pumps [1] being used and the different specifications of the subject vehicle will affect the impact of such systems on the height and orientation of the vehicle. With sufficient pumps, an automobile can jump and hop upwards of six feet off the ground. Enthusiasts hold car jumping contests [2] nationwide, which are judged on how high an automobile is able to bounce. [3]
Lowrider automobiles originated from the California custom car community. Hydraulics first came on the scene after the 1958 California lowered vehicle law went into effect. The first documented custom car with Hydraulics was in 1958 when Jim Logue of Long Beach California installed them in his custom 1954 Ford the “Fab X”. In 1959 Ron Aguirre of Rialto California installed hydraulics in his custom 1956 corvette the X Sonic and shortly thereafter, Aguirre began installing Hydraulic lifts in many custom cars in the Inland Empire. During the early 1960’s front hydraulic lifts became a very popular upgrade in many semi custom cars in California. War surplus aircraft hydraulic components were used to raise and lower the ride height. In 1962 the first Chevrolet Impala to feature hydraulics debuted, Tats Gotanda’s 1959 Impala the “Buddha Buggy” which featured hydraulics by Bill Hines. Throughout the 1960‘s a large majority of mild custom cars in Southern California were equipped with hydraulic lifts, eventually this style of car became known as the lowrider car by the early 1970’s. Today, lowriders can be found anywhere, worldwide.
In 1979, Japan received a shipment of Low rider magazines, which showed on the cover a lowered Chevy in front of Mount Fuji. This magazine, Orlie's Lowriding Magazine, was a profitable magazine that advertised lowriders and hydraulic kits for their consumers. [4] Along with these magazines came mail-order forms to purchase automotive hydraulics kits. By the 1980s, these kits along with cars, made Japan Orlie's top purchaser. [5]
The original pumps, valves and cylinders used for the modifications to these cars were originally used for operations performed in aircraft. Using these materials required a great deal of engineering ability in order to get these cars back in working condition after being stripped. For many automobile owners, it was too expensive to have an auto shop install the hydraulics in their car for them. In the early 1960s, owners were left to do the mechanics for their own cars because the kits were not sold in stores until the later 1960s. These hydraulic kits were known as "trays" to many consumers. Many times, since these batteries, pumps and valves were made for such large aircraft originally, extra batteries were needed to assist in the hydraulics. This would run the batteries down more often than the original usage for these batteries, so it was necessary for the owners of these automobiles to charge the automobile's batteries more frequently. [6] After using aircraft materials, trucks' liftgate materials were found to be more manageable on the car as well as easing the maintenance of the car.
These cylinders, two or more, are connected to one pipe that is filled with oil, the basic fluid used for a hydraulic system. The cylinders are used to establish compression pressure of the oil, fluid being supplied by the pump, to push the automobile up. [7] The motion of car is defined by the number of cylinder pumps installed in the vehicle. The number and placement of the pumps determines the range of motion the automobile has. A hydraulic dump valve called a "dump" is used to control the downward movement of the car.
An anti-lock braking system (ABS) is a safety anti-skid braking system used on aircraft and on land vehicles, such as cars, motorcycles, trucks, and buses. ABS operates by preventing the wheels from locking up during braking, thereby maintaining tractive contact with the road surface and allowing the driver to maintain more control over the vehicle.
A shock absorber or damper is a mechanical or hydraulic device designed to absorb and damp shock impulses. It does this by converting the kinetic energy of the shock into another form of energy which is then dissipated. Most shock absorbers are a form of dashpot.
A lowrider or low rider is a customized car with a lowered body that emerged among Mexican American youth in the 1940s. Lowrider also refers to the driver of the car and their participation in lowrider car clubs, which remain a part of Chicano culture and have since expanded internationally. These customized vehicles are also artworks, generally being painted with intricate, colorful designs, unique aesthetic features, and rolling on wire-spoke wheels with whitewall tires.
Engine tuning is the adjustment or modification of the internal combustion engine or Engine Control Unit (ECU) to yield optimal performance and increase the engine's power output, economy, or durability. These goals may be mutually exclusive; an engine may be de-tuned with respect to output power in exchange for better economy or longer engine life due to lessened stress on engine components.
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. Similar systems are also widely used on modern tanks and other large military vehicles. The suspension was referred to as Suspension oléopneumatique in early literature, pointing to oil and air as its main components.
A replacement automobile engine is an engine or a major part of one that is sold individually without any other parts required to make a functional car. These engines are produced either as aftermarket parts or as reproductions of an engine that has gone out of production.
Car tuning is the modification of a car to optimise it for a different set of performance requirements from those it was originally designed to meet. Most commonly this is higher engine performance and dynamic handling characteristics but cars may also be altered to provide better fuel economy, or smoother response. The goal when tuning is the improvement of a vehicle's overall performance in response to the user's needs. Often, tuning is done at the expense of emissions performance, component reliability and occupant comfort.
The LA engine is a family of overhead-valve small-block 90° V-configured gasoline engines built by Chrysler Corporation between 1964 and 2003. Primarily V8s, the line includes a single V6 and V10, both derivations of its Magnum series introduced in 1992. A replacement of the Chrysler A engine, they were factory-installed in passenger vehicles, trucks and vans, commercial vehicles, marine and industrial applications. Their combustion chambers are wedge-shaped, rather than polyspheric, as in the A engine, or hemispheric in the Chrysler Hemi. LA engines have the same 4.46 in (113 mm) bore spacing as the A engines.
Automobile accessory power can be transferred by several different means. However, it is always ultimately derived from the automobile's internal combustion engine, battery, or other "prime mover" source of energy. The advent of high-powered batteries in hybrid and all-electrical vehicles is shifting the balance of technologies even further in the direction of electrically powered accessories.
Hydraulic machines use liquid fluid power to perform work. Heavy construction vehicles are a common example. In this type of machine, hydraulic fluid is pumped to various hydraulic motors and hydraulic cylinders throughout the machine and becomes pressurized according to the resistance present. The fluid is controlled directly or automatically by control valves and distributed through hoses, tubes, or pipes.
A custom car is a passenger vehicle that has been altered to improve its performance, change its aesthetics, or combine both. Some automotive enthusiasts in the United States want to push "styling and performance a step beyond the showroom floor - to truly craft an automobile of one's own." A custom car in British usage, according to Collins English Dictionary, is built to the buyer's own specifications.
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 bottom exterior of the differential housing ; 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. Ground clearance is measured with standard vehicle equipment, and for cars, is usually given with no cargo or passengers.
A lowrider bicycle is a highly customized bicycle with styling inspired by lowrider cars. These bikes often feature a long, curved banana seat with a sissy bar and very tall upward-swept ape hanger handlebars. A lot of chrome, velvet, and overspoked wheels are common accessories to these custom bicycles.
A hydraulic brake is an arrangement of braking mechanism which uses brake fluid, typically containing glycol ethers or diethylene glycol, to transfer pressure from the controlling mechanism to the braking mechanism.
Self-levelling refers to an automobile suspension system that maintains a constant ride height of the vehicle above the road, regardless of load.
A jack is a mechanical lifting device used to apply great forces or lift heavy loads. A mechanical jack employs a screw thread for lifting heavy equipment. A hydraulic jack uses hydraulic power. The most common form is a car jack, floor jack or garage jack, which lifts vehicles so that maintenance can be performed. Jacks are usually rated for a maximum lifting capacity. Industrial jacks can be rated for many tons of load.
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.
The following outline is provided as an overview of and topical guide to automobiles:
The Meillerwagen was a German World War II trailer used to transport a V-2 rocket from the 'transloading point' of the Technical Troop Area to the launching point, to erect the missile on the Brennstand, and to act as the service gantry for fuelling and launch preparation.
Hi-risers are a type of heavily-customized automobile, typically a full-size, body-on-frame, rear-wheel drive American sedan. They are modified by significantly increasing the vehicle's ground clearance, and adding large-diameter wheels with low-profile tires. Depending on the model, year and bodystyle, cars customized in this style can be labeled "donk", "box" or "bubble". Many within the community refer to this style of car as simply a "big rim" or "big wheel" car.
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