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Topic: Double wishbone suspension

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Wishbone suspension

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	Technical Mysteries Unraveled
		Traditional double wishbones consists of 2 parellel wishbone arms of equal length, which has the drawback of excessive tire scrubbing because of the large variation in track width as the wheel moves off the neutral position.
		Double A-arm suspension with the spring and damper in the "coil over oil" set up and is attached to the upper of the two A-arms and to the chassis.
		Double A-arm suspension with the spring and damper in the "coil over oil" set up and is attached to the lower of the two A-arm and to the chassis.
	www.ukcar.com /features/tech/suspension/wishbone.htm (486 words)

	Double wishbone suspension - Wikipedia, the free encyclopedia
		In automobiles, a double wishbone (or "upper and lower A-arm") suspension is an independent suspension design using two parallel wishbone-shaped arms to locate the wheel.
		The suspension consists of a pair of upper and lower lateral arms, roughly horizontal and of similar length.
		The advantage of a double wishbone suspension is that it is fairly easy to work out the effect of moving each joint, so you can tune the kinematics of the suspension easily and optimize wheel motion.
	en.wikipedia.org /wiki/Double_wishbone_suspension (632 words)

	4WD Suspension Systems for Four Wheel Drives
		A wishbone is a A-shaped frame, hinged to the chassis at the lower ends and to the hub carrier at the apex.
		Double wishbone front suspension is quite common on four wheel drives such as the Mitsubishi Pajero (to 1999) or the GM Holden Jackaroo.
		Double wishbone suspension, and to a lesser extent Macpherson-struts, keep the wheel at a near perfect angle to the road as it moves up and down over bumps - which is good for on-road handling.
	www.4wdonline.com /A.hints/Suspension.html (2517 words)

	GTM Spyder - Suspension
		The GTM Spyder has a conventional double wishbone suspension at the front and double trailing arm suspension at the rear.
		The rear double trailing arm suspension concept is similar to a double wishbone suspension turned around 90 degrees.
		These are for both the front and rear suspension and use a 18mm bar, which has been tuned to fit with the springs and shock absorbers.
	www.gtmcars.com /spyder_suspension.php (780 words)

	Double Wishbone vs. MacPherson Strut I:The Basics - Team Integra
		A shock absorber, or more correctly a damper, is the thing in your suspension that counteracts the movement of the springs in order to stop the car from constantly bouncing up and down over and over after you hit a bump in the road.
		With this type of suspension, the upright supporting the wheel is attached to the frame of the car with a pair of links in the shape of a wishbone.
		Double Wishbone suspension also use the "coil-over-oil" design, much like the MacPherson Strut, which often leads to people calling the shock absorbers on their cars "struts" even when their cars don't use a strut type suspension.
	www.team-integra.net /sections/articles/showArticle.asp?ArticleID=525 (1358 words)

	GT-NSX Insider
		The factory NSX has an impressive suspension that is designed to pursue high mobility and performance, which is a must for a pure-bred sportscar.
		The two ends of the wishbone are connected to the car, and the tip is connected to the wheel.
		When compared to other suspensions, a double wishbone suspension is more complex and requires more parts, but adjusts the wheel position wonderfully despite changes in road condition.
	asia.vtec.net /xlated/nsxgt/02.html (1395 words)

	Suspension (Site not responding. Last check: 2007-11-03)
		((...)) Independent front suspension in which the bump travel of each wheel is controlled by two longitudinally pivoted wishbones (or A frames) ((one of which comprising the shock absorber and spring)), the steering knuckle or stub axle assembly often being carried on ball joints.
		Among the various types of suspensions known, the double-wishbone suspension system can be said in some respects to be ideal, since it applies no bending force to the damper, and offers a high degree of alignment and geometry freedom.
		Suspension à double triangulation : le porte-moyeu est fixé par des joints sphériques entre deux triangles sur l'un desquels se trouvent le ressort et l'amortisseur.
	www.termisti.refer.org /data/suspensi/32.htm (186 words)

	hondanews.com > Honda Prelude -- Chassis
		This is possible because double wishbone uses a separate linkage system to locate the wheels.
		The front and rear suspension geometry is designed to minimize front-end dive during braking and squat under acceleration.
		The double wishbone suspension system used on the front of the Prelude has undergone several revisions intended to enhance its stability under braking, its linearity when cornering and ride compliance.
	www.hondanews.com /CatID2092?mid=20010221001322&mime=asc&archives=t (2360 words)

	Chassis - 3rd Generation Honda Prelude (Site not responding. Last check: 2007-11-03)
		This suspension is unique in that it is often only found in racing cars such as Formula 1 and CART, where double wishbones are the only and best way to suspend the car.
		Minimal geometry changes during cornering as the double wishbones cause the wheel to increase its camber when under load, ensuring that the tyre maximises its contact patch with the road surface.
		Late-model Civic rear suspension is unique with a lateral upper arm and a long lower trailing arm that uses a compensator link ahead of the pivot point to brace against deflection and toe change.
	www.racinghonda.com /chassis.asp (982 words)

	SCC Technobabble - October '98
		On a double wishbone suspension, the wheel is held by a hub that is attached to the car with an upper link and a lower link (these links are sometimes called wishbones because of their shape), with the upper link being shorter than the lower link.
		The result is increasing negative camber as the suspension compresses, and therefore the wheel staying close to perpindicular to the ground as the body rolls.
		Each of the two wishbones is attached to the hub with a ball joint, and the position of the two ball joints determines the steering axis.
	www.se-r.net /about/g20/scc/oct98/tb.html (1986 words)

	The problems you might have with a double wishbone suspension (Site not responding. Last check: 2007-11-03)
		Double wishbone suspension is an automobile independent suspension design using two parallel wishbone-shaped arms to locate the wheel.
		The suspension consists of a pair of upper and lower lateral arms, roughly horizontal, and of roughly similar length.
		The advantage of a double wishbone suspension is that it is fairly easy to work out the effect of moving each joint, so you can tune the kinematics of the suspension easily.
	www.garagecreator.com /double-wishbone-suspension.htm (656 words)

	Alfa Romeo 156 GTA - The return of a legend :: car.kak.net ::
		The 156’s double wishbone front suspension layout meets the ambitious aim of giving the company’s new 250 bhp sports saloon and station wagon a driving quality that combines the reassuring control typical of front-wheel drive cars, with real sporting feel and precision.
		Today, with front-wheel drive, there is little space for a conventional double wishbone, and with high power/high grip cars, conventional MacPherson struts have too much stiction, which leads to torque steer and spinning inside front wheels.
		For reasons of space and structural stiffness, the upper arm is jointed to an aluminium shell (anchored to the body), which acts as a support to the upper spring-shock absorber attachment.
	car.kak.net /Article11.html (3140 words)

	AUTOPEDIA: 1997 Acura Integra Type R Chassis
		The components of the front suspension are an L-shaped lower control arm, an upper control arm, a coil-over shock absorber, a stabilizer bar and a performance rod.
		Under this condition, the suspension tends to maintain greater directional stability by countering the forces that would normally tend to steer the vehicle in the direction of the side with the lower traction coefficient.
		The rear double-wishbone suspension components consist of upper and lower control arms, a trailing arm, a coil-over shock absorber and a stabilizer bar.
	autopedia.com /Acura/97_TypeRChassis.html (870 words)

	Howstuffworks "How Car Suspensions Work"
		The job of a car suspension is to maximize the friction between the tires and the road surface, to provide steering stability with good handling and to ensure the comfort of the passengers.
		The suspension of a car is actually part of the chassis, which comprises all of the important systems located beneath the car's body.
		The stock Ford suspension on the front of the Model T consisted of a solid I-beam front axle (a dependent suspension), a U-shaped buggy spring (leaf spring) and a wishbone-shaped radius rod with a ball at the rear end that pivoted in a cup attached to the transmission.
	auto.howstuffworks.com /car-suspension.htm/printable (4063 words)

	Late Model Mustang Suspension Basics
		This suspension is compact, cheap to build and easy to service, but it is often criticized because (a) its geometry produces camber changes during vertical suspension movement and body roll that adversely affect handling and (b) the strut towers prevent designers from lowering the car's profile.
		The performance of the front suspension can be improved by installing stiffer springs and struts and by replacing rubber bushings in several locations with less compliant urethane bushings.
		Another approach is to install stiff springs and struts that limit the suspension's travel to a very narrow range in which camber change is insignificant.
	www.miracerros.com /mustang/t_suspension.htm (1298 words)

	Champ Car > Wheel Tethers
		The suspension system is designed to be stiff, strong and very responsive to the driver.
		Suspension tethers are braided Kevlar® double straps bolted to the wheel and chassis.
		Suspension tethers may be enclosed in a protective fairing or fed through the suspension tubing (as shown in the diagram on the lower A-Arm).
	www.champcarworldseries.com /Tech/Wheel_Tethers.asp (192 words)

	Strut bar - Wikicars
		A strut bar or strut brace is a mostly aftermarket car suspension accessory used in conjunction with MacPherson struts on monocoque or unibody chassis to provide extra strength between the strut towers.
		With a MacPherson strut suspension system where the spring and shock absorber are combined in the one suspension unit, the entire vertical suspension load is transmitted to the top of the vehicle's strut tower, unlike a double wishbone suspension where the spring and shock absorber may share the load separately.
		In general terms, a strut tower in a monocoque chassis is a reinforced portion of the inner wheel well and is not necessarily directly connected to the main chassis rails.
	wikicars.org /en/Strut_bar (259 words)

	AUDI AG
		In a double-wishbone suspension the wheel is guided by two triangulated lateral control arms (the “wishbones”) and a tie rod.
		The suspension strut is attached to the lower wishbone and provides the necessary vertical support.
		Other suspension layouts include the trailing-link double wishbone suspension (LDQ axle), that is very compact and the trapezoidal-link rear suspension.
	www.audi.com.au /glossary/d/double.html (125 words)

	suspension
		Hydragas suspension is largely problem free after three decades of development, but there some issues that directly relate to the system’s application in the F. Remember that the MGF uses Metro sub-frames, and the Metro is a Super-Mini sized hatchback.
		The suspension of an MGF is a marvel of productionisation that will give many thousands of miles trouble free service with excellent ride and handling characteristics.
		When lowering the suspension further than the recommended range (lowest, 358mm), one should always use lowering knuckles, up-rate dampers and seek out a method of camber adjustment (hopefully soon to be made available).
	ourworld.compuserve.com /homepages/robmidgleybell/suspensi.htm (1606 words)

	Paralever rear suspension
		This is a "Four-bar" linkage, similar to double-wishbone suspension in cars which keeps the rear drive at a contant angle as the suspension moves.
		This torque-induced suspension movement, sometimes called "the shaft effect" or "shaft jacking" is considered to be a drawback to traditional shaft-drive designs.
		The suspension travel exists to absorb irregularities in the surface; it should normally stay in the intended region of that travel so as to be ready to absorb whatever bumps or dips the designer anticipated.
	www.largiader.com /paralever (2132 words)

	Stanford Solar Car Project
		The rear wheels often also employ the double wishbone style suspension for four wheeled solar cars, while three wheeled cars usually employ a derivative of the trailing arm style suspension.
		Stanford has traditionally utilized a double wishbone style suspension for its four wheeled vehicles, and a trailing arm rear wheel for three wheeled vehicles, with either mountain bike or motorcycle springs and shocks; these configurations are pretty much the norm in solar car racing.
		The steering system is one of the few inputs that the driver has in controlling his or her car, and as a result it is important to take a hard look at this subsystem.
	www.stanford.edu /group/solarcar/mechanical.htm (758 words)

	:: H O N D A A C C O R D :: Style : Interiors... Comfort (Site not responding. Last check: 2007-11-03)
		This latest expression of Honda's suspension technology is an evolution of the system used on the previous Accord.
		The front suspension geometry has been reworked to impart a more sophisticated overall character, enhancing body control under acceleration and deceleration, high and low cornering loads and in transient maneuvers as well as improving stability in cornering.
		The Accord's five-link double wishbone rear suspension is designed to provide precise camber and toe control, exceptional ride compliance and good space efficiency.
	www.hondacarindia.com /accord/style/interiors_comfort1.asp (287 words)

	Mazda MX-5 Miata - Wikicars (Site not responding. Last check: 2007-11-03)
		Suspension has been changed from a 4-wheel double-wishbone setup to a front wishbone rear multilink setup and technologies like traction control and stability control have been added to increase drivability.
		The second generation Miata continued to employ four-wheel independent suspension, with enlarged anti-roll bars of 22 mm (0.87 in) at the front and 11 mm (0.43 in) at the rear.
		The Miata employs independent double wishbone suspension on all four wheels with an 18 mm (0.71 in) anti-roll bar at the front.
	wikicars.org /en/Mazda_MX-5_Miata (3340 words)

	2001 prelude or g20 - Car Forums and Automotive Chat
		The Full double wishbone suspension is basically the best type of suspension out there and that's why they use it on most race cars and exotics - the Prelude has this type of suspension, not even the RSX-S or 04+ Civic Si have it.
		It's basically a solid beam suspension but it's not solid, it is cut and held on by a section which twists durring suspension changes so it acts like a fully independent suspension all while keeping the simplicity and lowering the costs of manufacturing.
		Suspensions aside, the g20 has the 2.0L DOHC Sr20de which can be swapped out for a pulsar (or any awd sr20det to use with fwd transaxle) sr20det (or sr20ve) engine, this can make it smoke the Prelude with it's H22a4 (200hp).
	www.automotiveforums.com /t245400-2001_prelude_or_g20.html (613 words)

	Wishbone - Wikipedia, the free encyclopedia
		The wishbone, known in anatomy as the furcula, is a sternum bone found in birds which is shaped like the letter Y. It is used as an attachment point for the wing muscles.
		In automobiles, a wishbone is a suspension component which resembles the avian bone.
		A common suspension design is the double wishbone suspension.
	en.wikipedia.org /wiki/Wishbone (285 words)

	FrontSuspension
		The next great improvement in front suspension was the double wishbone also called 'knee-action' (see Figure 9).
		The double wishbone suspension rapidly became one of the most favoured suspension types as it gave excellent road-holding capabilities without taking too much room under the car.
		Its new features were the use of a combination of the damper (blue) and the spring (red) as the pivot point for the wheel steering.
	www.bath.ac.uk /~en9apr/frontsuspension.htm (466 words)

	[No title]
		The Accord's double-wishbone front suspension is designed to maintain a stable ride under all driving conditions, including hard acceleration, braking and cornering.
		Mounted entirely to the Accord's rear subframe, its rear five-link double wishbone suspension is meant to keep the vehicle flat during hard cornering and minimize the amount of roll steer associated with most independent rear suspensions.
		With a compact design, the Accord's rear suspension was also developed to minimize the space it takes up behind the rear wheels, and thus maximize the cargo area in the Accord Hybrid's trunk.
	corporate.honda.com /press/print_friendly.aspx?id=2004091736726 (1057 words)

	Honda Acura Forum - Tech Performance Forums : Civic, Integra, Accord - technically difference (Site not responding. Last check: 2007-11-03)
		Double wishbone is more complicated, more moving parts but would keep the tire flat thru the entire travel of the suspension.
		One of their main signatures was the double wishbone suspension at all four corners.
		But by saying this I have a strut, but manic says the double wishbone is not a strut set up so he says I have shocks.
	www.superhonda.com /forum/showthread.php?t=29680 (2404 words)

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