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Topic: Torsion beam suspension


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In the News (Sun 22 Nov 09)

  
  Torsion beam suspension - Wikicars
Torsion beam suspension, also known as a torsion bar or torsion spring suspension, is a vehicle suspension system.
In most torsion bar systems, especially Chrysler's, ride height (and therefore many handling features) may be adjusted by bolts which connect the torsion bars to the steering knuckles and require nothing more than crawling under the car with a wrench in hand.
The torsion beam functions both as wheel-locating arm and as an anti-roll bar to resist lateral motion of the wheels as the body leans in turns.
wikicars.org /en/Torsion_beam_suspension   (572 words)

  
  Torsion beam suspension - Wikipedia, the free encyclopedia
Torsion beam suspension, also known as a torsion bar or torsion spring suspension, is a vehicle suspension system.
The torsion beam functions both as wheel-locating arm and as an anti-roll bar or sway bar to resist lateral motion of the wheels as the body leans in turns.
Twist-beam rear suspensions were pioneered on the Volkswagen Golf in the early 1970s, and remain common on compact cars and minivans.
en.wikipedia.org /wiki/Torsion_beam_suspension   (590 words)

  
 Reference.com/Encyclopedia/Torsion beam suspension
A major disadvantage is that torsion bars, unlike coil springs, usually cannot provide a progressive spring rate, forcing designers to compromise between ride quality and handling ability—progressive torsion bars are available, but at the expense of durability since they have a tendency to crack where the diameter of the bar changes.
Height adjustable suspension has been used to implement a wheel-change mode where the vehicle is raised on three axles and the remaining wheel is lifted off the ground without the aid of a jack.
Some front-wheel drive automobiles use a type of torsion bar suspension, usually called a Twist-beam rear suspension, in which the rear wheels are carried on trailing arms connected by a laterally mounted torsion beam.
www.reference.com /browse/wiki/Torsion_beam_suspension   (971 words)

  
 Car Bibles : The Car Suspension Bible
Torsion bars deserve their own section because they are a type of spring which can be used in place of coil- or leaf-springs.
A torsion bar is a solid bar of steel which is connected to the car chassis at one end, and free to move at the other end.
Torsion bars are normally locked to the chassis and the suspension parts with splined ends.
www.carbibles.com /suspension_bible.html   (13458 words)

  
 Spartanburg SC | GoUpstate.com | Spartanburg Herald-Journal
A torsion spring is often made from a wire, ribbon, or bar of metal or rubber, while more delicate ones are made of silk, glass, or quartz fibers.
Torsion bars (or sway bars) are heavy torsion springs used to support automobile suspension components, allowing those components (which indirectly support the wheels) to move in response to rough roads while allowing a smooth ride in the vehicle.
The torsion pendulum used in torsion pendulum clocks is a wheel-shaped weight suspended from its center by a wire torsion spring.
www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=Torsion_spring   (1517 words)

  
 Torsion Beam Suspension | Motorcars & Automobiles   (Site not responding. Last check: 2007-10-28)
Torsion Bar Suspensions are currently used on trucks and SUV's from Ford, GM and Dodge.
While the ride height may be adjusted by turning the adjuster bolts on the stock torsion key, rotating the stock keys too far can bend the adjusting bolt and (more importantly), place the shock piston outside the standard travel.
Because the torsion bar acts in the lateral plane, not vertically, the twist-beam axle cannot provide ride-height adjustment, and it suffers the same car handling limitations as any other beam axle suspension.
www.motorcars.in /suspension/torsion_beam.htm   (815 words)

  
 Articles - Torsion spring   (Site not responding. Last check: 2007-10-28)
Torsion ribbons are used in torsion pendulum clocks, where a weight is spun, oscillating in its spinning direction at the bottom of the clock.
Torsion bars (or sway bars) are used to support automobile suspension components, allowing those components (which indirectly support the wheels) to move in response to rough roads while allowing a smooth ride in the vehicle.
The torsion balance was a device created by Charles Augustine de Coulomb in 1777, used to measure the electrostatic force within a given object.
www.sinoz.com /articles/Torsion_spring   (640 words)

  
 Patents in Class 280/124.169
In the torsion beam axle suspension of the present invention, by providing mounts formed on one end of each of trailing arms with a three-dimensional slant angle, when a transverse force is applied to a turning outer wheel at a rear susp...
A suspension bar assembly for an automotive vehicle includes a suspension bar having a bushing, a bushing retainer that exerts radially and axially compressive forces onto the bushing such that the bushing is in frictional engagement wit...
A torsion axle for a vehicle includes an elongated axle tube enclosing first stage torsion shafts and second stage torsion shafts all having a common axis, and a metal tube or a non-circular portion of the axle tube and a plurality of re...
www.freepatentsonline.com /CCL280-124.169.html   (2089 words)

  
 AutoZine Technical School - Suspension
The arm is relatively large compare with other suspensions' control arms because it is in single piece and the upper surface supports the coil spring.
No matter semi-trailing arm or pure trailing arm suspensions, since they are rigidly attached the wheel, inevitably more shock and noise could be transferred to the car body, especially under hard cornering or running on bumpy roads.
In fact, torsion beam suspension is only half independent - there is a torsion beam connecting both wheels together, which allows limited degree of freedom when forced.
www.geocities.com /gkurka2001/CarTech/tech_suspension21.htm   (865 words)

  
 torsion beam suspension
torsion beam suspension is one of the topics in focus at Global Oneness.
The torsion balance consists of two metal balls that are attached onto an insulating rod suspended from the middle b...
The compact chassis had torsion beam suspension with five running wheels and two return wheels; the engine runs the length of the tank on the right side with the driver on the left.
www.experiencefestival.com /torsion_beam_suspension   (410 words)

  
 AutoWeb - Maxima uses Multi-Link Beam Rear Suspension
Multi-Link Beam suspension displays high fiexural rigidity against both lateral and vertical force inputs, but at the same time twists pliantly to accommodate the vertical travel of each wheel.
Compared to the previous generation Maxima, the new A33 model's rear suspension sees the lateral link relocated behind the torsion beam, the lateral link bushing is more rigid, a brace has been fitted for the rear shock absorber mounting and the trailing arm bushings are fluid filled.
In addition, with the Multi-Link Beam suspension, the roll centre is close to the point where the lateral link is mounted to the body.
www.autoweb.com.au /cms/A_51888/newsarticle.html   (688 words)

  
 Torsion beam suspension - Definition, explanation
Torsion beam suspension, also known as a torsion bar, is a vehicle suspension system.
Some vehicles use torsion bars to implement automatic leveling with sensors and motors to dynamically adjust the torsion in each bar in response to changing loads and road conditions.
A variation on this theme is often called a twist beam suspension, as is found on VW Golfs and other economy cars.
www.calsky.com /lexikon/en/txt/t/to/torsion_beam_suspension.php   (319 words)

  
 AutoZine Technical School - Suspension
No matter semi-trailing arm or pure trailing arm suspensions, since they are rigidly attached to the wheels, inevitably more shock and noise could be transferred to the car body, especially under hard cornering or running on bumpy roads.
Since the late 80s, multi-link rear suspension is increasingly used in modern sedans and coupes.
For conventional semi-trailing arm suspension (first row in the following picture), whenever under braking, the momentum of the car body tries to pull the car "away" from the rear suspension.
www.autozine.org /technical_school/suspension/tech_suspension21.htm   (897 words)

  
 Technical Mysteries Unraveled
In fact, torsion beam suspension is only partially-independent - there is a torsion beam connecting both wheels together, which allows limited degree of freedom when forced.
This suspension is very close from the beam axle system but it features a twist axle instead of the beam axle.
This is a compromise between the cheap and simple Semi-independent beam axle systems and the high-performance and expensive fully independent systems.
www.ukcar.com /features/tech/suspension/torsion.htm   (222 words)

  
 AutoAsia Magazine   (Site not responding. Last check: 2007-10-28)
Front-wheel-drive models get an 'eta' beam rear suspension (torsion beam with toe correction function) while 4x4 models are equipped with a double wishbone set-up at the rear.
Under normal straight-ahead driving conditions, a rear viscous coupling provides torque distribution similar to that found on a front-wheel-drive vehicle but on slippery surfaces or when cornering, the 'V Flex' full-time 4x4 system determines optimum torque distribution between front and rear wheels.
The brand new BEAMS 2.0-liter motor has a novel stratified combustion system claimed to offer more efficient operation and offer a wider lean-burn combustion range.
www.auto-asia.com /product/product.2000.06.20.01.shtml   (535 words)

  
 The 35th Tokyo Motor Show | NISSAN
The newly developed front suspension incorporates a dual anti-vibration subframe, and a torsion beam suspension is used at the rear.
This suspension system lets drivers enjoy exceptionally high levels of ride comfort and quietness never before achieved in a compact car.
Safety equipment has been improved for enhanced safety performance, including first-in-class implementation of curtain airbag SRS and side airbag SRS, as well as the adoption of xenon headlamps and other safety features.
www.nissan.co.jp /MS/TOKYO2001/EN/MM/index.html   (932 words)

  
 VWvortex Forums: OEM R suspension
I thought the oem R suspension was what came on the 20th, GLI, and 337 but that the R32 suspension was different (damping, spring rates, height) due to extra weight and AWD of the R32.
Note that the "R-line" suspension is quite a bit different than the suspension that come from the factory in the R32: the R32 still has crappy Monroe shocks IIRC.
I think the biggest difference is a lack of a torsion beam rear suspension, as the suspension in our r32's is fully independant and similar in geometry to the audi tt quattro (iirc).
forums.vwvortex.com /zerothread?id=2056597&postid=0   (367 words)

  
 INDIACAR.NET - Bringing you the latest auto news
The result is quick throttle response and smooth, powerful acceleration in a variety of driving situations, as well as good fuel economy.
The Note adopts a strut suspension at the front and a torsion beam suspension at the rear.
In addition, the Note is fitted with rebound springs, ripple-control shock absorbers and other suspension features usually found on upscale models that provide excellent handling and stability combined with superb ride comfort and quietness.
www.indiacar.net /news/n8552.htm   (797 words)

  
 beam - ffind   (Site not responding. Last check: 2007-10-28)
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ffind.ath.cx /content/beam   (264 words)

  
 Automotive Engineering International Online: Global Viewpoints, Dec. 1999, Page 6
The Punto's new torsion beam rear suspension is so high in torsional stiffness that the anti-roll is eliminated, saving about 6.5 kg (14.3 lb).
The Punto has a new semi-independent torsion beam rear suspension.
The beam is manufactured using what Fiat calls an innovative pressing technique that it claims ensures ideal torsional stiffness.
www.sae.org /automag/globalview_12-99/06.htm   (475 words)

  
 Volkswagen For 2001
The popular GLS trim level got a 150-hp 1.8-liter turbo engine midway through model year 2000, and is now available with a sport suspension.
Since its major model change two years ago, the Jetta is no longer merely a Golf with a trunk, although it is built on the same platform.
Like the Golf and GTI, a sport suspension is now available on GLS and GLX models, as are steering wheel-mounted radio and cruise controls.
www.theautochannel.com /vehicles/new/2001info/volkswagen.html   (468 words)

  
 [No title]
As you may know, the rare GLI is the performance model of the Jetta classes.
It boasts an incredibly responsive suspension package, a 17" high-profile alloy wheel set and an amplifier-powered premium sound system.
I have had a great time driving the car and can guarantee the buyer they will be quite satisfied with its performance.
members.cox.net /kcorry1/jetta   (225 words)

  
 XTRAMSN: Mazda2 Is A Good Sport
The Mazda2 has a relatively powerful 82kW 1.5-litre engine and rides on strut front/torsion beam rear suspension: not exactly cutting edge.
Engine and transmission: 1498cc inline four producing 82kW at 6000rpm and 141Nm at 4000rpm.
Suspension and brakes: Struts front, torsion bar rear.
xtramsn.co.nz /news/0,,12078-5172813-117_12622_true,00.html   (782 words)

  
 VW Motoring   (Site not responding. Last check: 2007-10-28)
Any Beetle can be used; from the earlier swing-axle rear/torsion-beam front suspension car (1300/1500) to the later independent rear/MacPherson strut front suspension (1302/1303) type, although the later models will require the frame head swapping to accept the torsion beam suspension.
The swing-axle suspension is the most authentic, whilst an IRS rear end gives better roadholding.
Once the car and chassis has been stripped down to basic parts, those to be kept can be put to one side for servicing/reconditioning, whilst the body panels, glass and seats can be sold off to fund the project.
www.chesil.co.uk /info/VWMotoring.htm   (1888 words)

  
 Audi Worldwide > Glossary > Chassis & Body > Torsion-crank rear suspension   (Site not responding. Last check: 2007-10-28)
The design of the V-shaped beam and the bearings positively affect suspension compliance.
The springs and shock absorbers are mounted separately on newer models, improving ride comfort and suspension response.
See also: double-wishbone suspension, trailing-link double wishbone suspension (LDQ axle), multi-link rear suspension, McPherson suspension, four-link front suspension
www.audi.com /audi/com/en2/tools/glossary/chassis_body/torsion_crank_rear_suspension.html   (107 words)

  
 Kit Details   (Site not responding. Last check: 2007-10-28)
Independent Rear Suspension (IRS) - The IRS rear suspension chassis, which will need to have it's MacPherson strut front suspension (and chassis framehead) converted to accept the earlier torsion beam suspension, will require more work and sourcing of parts, but provides the best potential handling.
If you are using an IRS chassis, you will need to buy a suitable front torsion beam and it's associated steering and brake parts.
NOTE: If the front beam from your donor car is rusty, we can supply a new bare beam at the time of modification, re-using the existing arms, uprights and springs to make a complete assembly.
www.chesil.co.uk /info/Kit_Details.htm   (2505 words)

  
 InsightCentral.net - Knowledge Base - Tsunoda on Honda Insight Aluminum
As you can see, the joints at each of the four corners of the cabin are die cast and double as suspension supporting elements.
And the unique H-shaped torsion beam rear suspension supports the rear floor frame by splitting the energy to each side sill – to minimize cabin deformation.
Insight bending rigidity is up 13 percent versus the current Civic 3-door; and torsional rigidity is up 38 percent versus Civic.
www.insightcentral.net /KB/development/tsunoda.html   (2792 words)

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