4 link suspension geometry software programs

Numerical data and graphs show you the amount of rear axle lateral movement, pinion angle change, axle steer and rear tire foreaft movement. Jerry bickels 4link wizard professional version jerry bickel race cars, in cooperation with etc, inc. Corner jacking screen to estimate the change in ride height and corner weights from adjusting jacking on springs. Spec is software for tuning motorcycle suspension and chassis geometry motospec has been designed for racing use, with a simple interface and clear outputs, to assist motorcycle tuners and race teams make quick and knowledgeable decisions. Theres actually still 4 link bars holding the axle in place, but in completely different orientations. Along with the movement of the chassis, the front link attachment points move, and the rear ones move correspondingly. One common trick, to make the calculations easier, is to assume that the chassis rotates about a point at ground level or level with the bottom wishbone chassis pickups on the centreline of. Analyzes rear axle bump steer and roll steer of 3link and 4link aftermarket type rear suspensions. This suspension design software lets you take into account various characteristics of your car, such as corner weights, the suspension type, the suspension geometry, wheel widths and offsets, and wheelbase to intelligently select springs coil, leaf, and torsion bar springs and sway bars also called swaybars, antisway bars, or antiroll bars.

Pressing the edit button immediately switches to edit mode listing more details about the dimensions of the model and allowing you to alter the model by dragging any of the tether points. There is no comparison to any other 4link software. Finding your center finding your front and rear roll center. Susprog3d is the premier kinematic suspension design and analysis tool.

If you are on the market for a more indepth, customizable 4 link suspension calculator, you will likely need to purchase software. I have been playing with the 4 link wizard a little bit, and am very impressed. Another fourlink design is the triangulated fourlink. Part 1 rear end alignment part 2 pinion angle part 3 preload part 4 antiroll bar part 5 ride height part. For most truck owners an allaround fourlink is the desire, but that will not necessarily be the best rockcrawler, desert jumper, and mud bogger suspension. The difference in the 3 link is youve got only 1 bar holding the rotational forces. What the parallel fourlink gives up in strength compared to the radius arm, it makes up for in better ride quality and handling. Upper lateral link, lower reversed aarm, twin trailing links rear the classis 60s sports and racing car rear suspension. Autoware autoware inc rear suspension geometry software. Chassis master is easy to set up and calculates all possible ic locations, rise, squat, corner weights, center of gravity and even automatically adjust to changes in ride height or tire size. Your software has eliminated that tiresome, mistakeprone task. As well as creating a 3d cad model autodesk inventor prof 2012 of my chassis design i am looking to create a simulation of the suspension geometry and if possible calculate the geometry values. As you drag the mouse or the scroll bar, the car moves up and down in response.

Calculate the 4link setup in any car, with any brackets in less than 15 minutes with this easy to use quartermax universal 4 link plotter. Suspension geometry an overview sciencedirect topics. Aftermarket components like yokes and linkages can be measured. This kind of suspension always has some kind of panhard bar to keep the axle centered. Racewise provides the technical understanding of suspension and tire performance that racers must have in order to make no guesswork decisions. Steve smith autosports c264 cdrom rear suspension geometry pro.

It makes sense, since this is the bar that also dictates the ic once the rest of the parameters are set flatter is longer, and longer. Analyzing chassis geometry has been a very time consuming effort. Parallel 4 link rear suspension system how to build. The angle of the top bar is the final ingredient to determining how much bite the tire will have, and for how long. The company also has a product for rear 4 link designs. Rear suspension analysis tuning all types with heavy emphasis on 4link, zlink and swing arm types. One common trick, to make the calculations easier, is to assume that the chassis rotates about a point at ground level or level with the bottom wishbone chassis pickups on the centreline of the car, regardless of where the geometric roll centre is. Universal weldon triangulated rear 4 link suspension kits for truck suv with two 2500 air bags and rear air bag mounts. Autowares racing and performance tech site software for auto racing and high performance cars data acquisition systems new and used engineering services and live seminars on performance and racing technology all types of tech info on racecar engines, chassis and suspension setup for road. A typical 4 link will have the rear attaching point of the top bar a few inches above the axle center but will have the attaching point of the bottom bar several more inches below the axle center. There is a roll center for the front suspension and rear suspension. The most recent issue of racecar engineering had a note about some design and 3d modeling software for double wishbone aarm suspensions. At some point you will want to enter your own suspension geometry data or even just just view the current model in more detail. Stop guessing and start winning learn the facts of rear suspension geometry with this informative cdrom computer software.

You can now do an symmetric angled 4 link rear suspension, like a chevelle or mustang. A very important program for monitoring rear axle movement and roll oversteerundersteer. Designed for dirt oval, paved oval and road race cars. The basics of suspension geometry, as well as a diagonally identical wheelbase, spring rates, and wheel offset, must be adhered to if you want your car to. For windows 7, 8 and 10 with opengl see the faq for more details faq for more details. You can also use this function to compare front and rear suspension although be careful as only the model at the front of the drawing is saved within. Computer program for 3d double aarm wishbone suspension analysis. Universal 4link plotter digital download quartermax.

Mike mahon, mahon family racing, london ontario canada. Air lift 57275 loadlifter 5000 series rear air spring kit. The universal 4 link plotter will work on any 4 link brackets both standard and adjustable. Analyzes rear axle bump steer and roll steer of 3 link and 4 link aftermarket type rear suspensions. Depending on the type of suspension, the roll center can be an actual pivot point or a virtual point in space and they dont necessarily lie along the center line of the vehicle. Anytime you add a pivot, you add a wear item and the potential for deflection. Orlandea and chase, 1977 was the use of the software to analyse suspension geometry. I explained the geometry of triangulated fourlinks diagramatically here.

Download 4 link suspension calculator for free windows. Links may be made to the site, but the product may not be redistributed in any way other than by direct download from. Vehicle travel is simulated by dragging the image with the mouse or with a scroll bar. This is an example of a typical 4 link setup in the rear of a rig. Suspension geometry characteristics of a live axle are as follows. Front view suspension geometry calculatorsimulator. The roll center, as its name implies, is the center of rotation for a suspension system. Upper lateral link, lower parallel links, twin trailing link rear a variation of the reversed lower aarm style. Chassis master software tim mcamis performance parts. This software is specifically designed with a userfriendly interface that makes the process of computer aided suspension design and analysis much faster and more convenient. You enter heights above the ground and distance ahead of the front axle for up to 6 holes for all 4 brackets for your car, or any number of cars. Performance trends offers a few different options, including a free trial. This is a 4 link suspension with all 4 links running parallel to each other. The flatter the top bar, the easier it is to use its pull on the chassis to plant the tire.

The company also has a product for rear 4link designs. Covers conventional 3 link and 4 link suspensions allows bird cages on one or both. Take a look at performance trends calculators here. The front suspension geometry pro software requires the geometry to be specified by the coordinates of all the. I would like to start learning about offroad suspension geometry. Program can automatically dial in critical specs to match your cars lap times. Rear suspension analysis tuning all types with heavy emphasis on 4 link, z link and swing arm types. In this article well cover what we consider to be the three most important elements. Universal weldon triangulated 4 link suspension kit. The traditional way the 4 link is setup on off road rigs is to have 2 links holding the axle from moving front to back and 2 links mounted in a triangle shape, used to locate the axle from side to side.

No part of the program or code shall be reproduced for commercial use. Im doing a chassis design project for my major project in my degree 2nd year. For windows 7, 8 and 10 with opengl see the faq for more details faq for more. Lower lateral link, upper reversed aarm, twin trailing links rear a variation on the above. There is no comparison to any other 4 link software available. In addition to all the geometry of designing a fourlink there is also the problem of what will actually fit. The aarm sw looks comprehensive with modeling of toe changes, akerman, roll centers, scrub, etc. The following threads include more details or discussions on some of these programs. I was wandering if there are any good programs that i can purchase to start learning about angles, and all the scrub stuff i hear about. A newer style that works well as an allaround type of suspension and also does great on the track. Funky 4 link design please note, this list is based on contributions by many people. Autoware autoware inc front suspension geometry software. Combines photolike graphics with the power of highspeed computer intelligence to give you clear and fast improvements to your front suspension.

A newer style that has come stock in many vehicles and that works well as an allaround type of suspension. The angled upper links hold the axle in place side to side, so a panhard bar is not needed. Oct 14, 2015 suspension geometry software for purchase. Software for suspension analysis automotive suspension. Typical rear suspension screen, here analyzing an angled 4 link rear suspension and driveshaft movement and u joint angles. This program is provided free of charge for personal use in the assisting of suspension calculations. Optimumkinematics developed by optimumg engineers is a suspension and design analysis software. Previously i had begun this on another board and it got too large. One of the most common questions we get about suspension setup and tuning is how 4link geometry affects the performance and handling of a vehicle.

All chassis dimensions and specifications are editable. Portal axles or portal gear lifts are an offroad vehicle suspension and drive technology where the axle tube or the halfshaft is offset from usually above the center of the wheel hub and where driving power is transferred to each wheel via a simple gearbox, built onto each hub. Please wash your hands and practise social distancing. Aug 06, 20 calculate the 4 link setup in any car, with any brackets in less than 15 minutes with this easy to use quartermax universal 4 link plotter. Because internet explorers maximum url length is shorter than other browsers, your project cannot be saved properly in this browser. Used by many of the best teams in drag racing, chassis master is easy to set up and input information. Heavy duty triangulated 4link kit fully adjustable.

I have used few of these programs in anger, but had a play with many of them. Dsp suspension design software for automobile springs and. This approach is now well established and will be discussed further in the next section of this chapter. Racewise provides the technical understanding of suspension and tire performance that racers must have in order to. There is no comparison to any other 4link software available. I have been playing with the 4link wizard a little bit, and am very impressed. Education software downloads 4 link calculator by performance trends inc and many more programs are available for instant and free download. Oct 27, 2001 the most recent issue of racecar engineering had a note about some design and 3d modeling software for double wishbone aarm suspensions. Youve still got got the lower bars generally in the same place holding the axle from moving front to back. I use this program almost daily, both in my design. The parallel fourlink needs a track bar to locate the axle side to side. Analyzes and helps you to correct camber curve, side scrub, bump steer, caster curve and foreaft suspension. Program software may be freely downloaded on any number of computers, but to activate software requires the purchase of a separate activation codes unique to each computer. I was looking at one from tim mcamis chassis, but there are so many other ones out there im not sure which one is better.

Simply take 8 easy measurements with a tape measure and. Many people do not take this into any consideration with 4 link or ladder bars or 3 link suspension. Calculates ics for your brackets, regardless of manufacturer. Four link coil spring live axle rear suspension fig. Basic suspension geometry lessons rod and custom magazine. Check out our resources for adapting to these times. Track all chassis information including corner weights and center of gravity. Part 1 rear end alignment part 2 pinion angle part 3 preload part 4 antiroll bar part 5 ride height part 6 basic 4link settings. Calculates all possible instant center locations plus percentage of rise and squat.

The universal 4link plotter will work on any 4link brackets both standard and adjustable. Software for auto racing and high performance cars data acquisition systems new and used engineering services and live seminars on performance and racing technology all types of tech info on racecar engines, chassis and suspension setup for road. The 4 link calculator lets you input, view, save, analyze and compare your 4 link rear suspension geometry. The 4link calculator lets you input, view, save, analyze and compare your 4link rear suspension geometry.

I come from a moto background but i am looking into buying a truck, or a buggy to race. Now you can get all the racewise chassis school material in an easytouse software program for your home computer. Introducing the 4link wizard software for microsoft windows 95, 98, me, xp, 2000 or nt. Vsusp no longer supports any version of internet explorer. Roll steer, drive angles, birdcage indexing effects, trailing arm toe, panhard devices, lift and pull bars, 6th coils, damper shocks, stacked, 2 step and double spring arrangements, 5th coils and shocks, leaf springs, tall vs. The old model remains at the back of the drawing, you can use it as a guide when making adjustments to the layout or visually compare how the changes will perform when the suspension is in motion. Computer program to simulate and analyze rear suspension 4link setups for instant center, pinion angle and driveshaft angle change, antisquat %, and more for drag racing click here for new plus versions features. This is a 4 link suspension with the two upper links angled in toward the differential.