4 link suspension geometry software program

The most recent issue of racecar engineering had a note about some design and 3d modeling software for double wishbone aarm suspensions. The author shall be the sole distributor of the executable file, installation files, and any part or the entirety of the code from which the program. This is a 4 link suspension with all 4 links running parallel to each other. The 2019 class is available ondemand through octane trade school. Lift bars, slapper bars, super stock springs, leaf links, ladder bars, threelinks, fourlinks, and torque arms there may be others too, but its a start. A newer style that works well as an allaround type of suspension and also does great on the track. Please practice handwashing and social distancing, and check out our resources for adapting to these times. It provides a way to isolate the chassis and driver from the shocking jolts that the. Of all of the systems, the most common youll see today is the equal length four link, probably followed by. It is simplicity itself and a great place to start learning about suspension geometry. 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. Jerry bickels 4link wizard professional version jerry bickel race cars, in cooperation with etc, inc. Chris alstons chassisworks, inc chassisworks weldin.

Racewise provides the technical understanding of suspension. The classic version of the suspension geometry calculator. Software for suspension analysis automotive suspension. The suspension calculator aims to help people who are building race cars perform suspension related calculations.

Actual link bars finish color is texturedblack powder coat. Space gets really tight at the front differential, and the 3 link. There are 4 link bars mounted from the axle to the frame holding the axle in place both forward, back, and side to side. The angled upper links provide lateral support for the rearend housing, eliminating the need for an additional panhard bar or watts link system. Now you can get all the racewise chassis school material in an easytouse software program for your home computer. Typical rear suspension screen, here analyzing an angled 4 link rear suspension and driveshaft movement and u joint angles. Pressing the edit button immediately switches to edit mode listing more details about the dimensions of the model. Automatically recalculates instant center when changing tire size or ride height. I explained the geometry of triangulated fourlinks diagramatically here.

Susprog3d is the premier kinematic suspension design and analysis tool. The following threads include more details or discussions on some of these programs. I have used few of these programs in anger, but had a play with many of them. There are many thick textbooks, expensive software, and hundredpage internet forums out there on the subject of 4link geometry and it is very. Suspension geometry characteristics of a live axle are as follows. Four link coil spring live axle rear suspension fig. A good suspension system is key in any type of automobile, but especially in offroad applications. Roll steer, drive angles, birdcage indexing effects, trailing arm toe, panhard devices, lift and pull bars, 6th coils, damper shocks, stacked, 2. Universal weldon triangulated 4 link suspension kit. Education software downloads 4 link calculator by performance trends inc and many more programs are available for instant and free download. Take a look at performance trends calculators here. 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. Vehicle travel is simulated by dragging the image with the mouse or with a scroll bar.

Speedwiz has hundreds of car performance calculations, simulations, and analysis tools covering engine, suspension, chassis, dynamics, and much more. Suspension geometry an overview sciencedirect topics. The company also has a product for rear 4 link designs. I am planning to dive into a 4 link w panhard setup for my jeeps front suspension this weekend. The 4link calculator lets you input, view, save, analyze and compare your 4 link rear suspension geometry. Simply take 8 easy measurements with a tape measure and. Along with the movement of the chassis, the front link attachment points move, and the rear ones move correspondingly. Performance trends 4 link calculator demo movie saving and. The traditional way the 4 link is setup on off road rigs is to have 2 links holding. Links may be made to the site, but the product may not be redistributed in any way other than by direct download from suspensioncalculator. The 4link calculator lets you input, view, save, analyze and compare your 4link rear suspension geometry. The software is still under development and the version provided from this page is not yet a complete product.

It provides a stable platform from which to control the vehicle. The suspension on a vehicle serves multiple purposes. Lower lateral link, upper reversed aarm, twin trailing links rear a variation on. The best fourlink software for drag car or dragster chassis setup. Race tech chassis schools help provide technical analysis in a way that you can understand to apply in the shop and at the track. In this article well cover what we consider to be the three most important elements. Used by many of the best teams in drag racing, chassis master is easy to set up and input information. Upper lateral link, lower reversed aarm, twin trailing links rear the classis 60s sports and racing car rear suspension. The universal triangulated 4 link enables you to install a hightravel rear suspension using a minimum of components and custom fabrication. It includes graphs and suggestions for changes to your geometry. The angle of the top bar is the final ingredient to determining how much bite the tire will have, and for how long. Over the years, drag racers with door cars have gone through all sorts of suspension arrangements. Previously i had begun this on another board and it got too large.

For windows 7, 8 and 10 with opengl see the faq for more details faq for more details. They run the website, streaming, and hosting of the online service. The calculations vary from motion ratios, to spring stiffness, to wheel loads. You can also enter other measurements like wheelbase, pinion angle, etc. Aftermarket manufacturers make kits that retrofit an existing radius arm suspension to a parallel four link design and use coil springs and a track. Autoware autoware inc rear suspension geometry software.

Whether taking a vehicle through a slow crawl over rocks where wheel travel and articulation is very important, or through the. Computerized chassis setup racing software technology. As you drag the mouse or the scroll bar, the car moves up and down in response. This setup if the easiest for people to understand and wrap their heads around the concept of. Comes with a complete instruction and documentation work book.

The flatter the top bar, the easier it is to use its pull on the chassis to plant the tire. If your car wheel stands too much, you can angle the 4 link. 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. Our allnew 4 link suspension simulation software is an amazing new setup tool for your program. Track all chassis information including corner weights and center of gravity. Funky 4 link design please note, this list is based on contributions by many people. Orlandea and chase, 1977 was the use of the software to analyse suspension geometry. Download 4 link suspension calculator for free windows.

Corner weights virtual scales click image to enlarge it. Upper and lower virtual aarms, steering link front upper and lower virtual aarms, toe link rear as used on some mercedes rear. Computer program to simulate and analyze rear suspension 4link setups for. No one can predict the perfect set up, even for a spec formula where much of the suspension is fixed by the rules. Racewise rwfront front suspension geometry software. Enter the dimensions of your 4 link system and it will. Rear suspension analysis tuning all types with heavy emphasis on 4 link, z link and swing arm types. A variation on the radius arm suspension is the parallel four link, shown in the figure above.

There is no comparison to any other 4link software available. Chassis master software tim mcamis performance parts. Rear suspension geometry this is a software package that addressesthree link suspensions and late model four link floaterstyle. 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. Finally get a handle on your instant centeric location, to help you hook up and go fast. Suspension geometry software for purchase if you are on the market for a more indepth, customizable 4 link suspension calculator, you will likely need to purchase software. This class is suitable for any level 4 link rear suspension. The 4link wizard helps you determine the ic choices available with your fourlink bars so you can home in on the sweet spot and reap the benefits of a fourlink suspension.

Calculates all possible instant center locations plus percentage of rise and squat. This approach is now well established and will be discussed further in the next section of this chapter. Calculate the 4link setup in any car, with any brackets in less than 15. Covers conventional 3 link and 4 link suspensions allows bird cages on one or both. With this calculator you will see how bump and droop can affect camber. 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. If you are on the market for a more indepth, customizable 4 link suspension calculator, you will likely need to purchase software. Stop guessing and start winning learn the facts of front suspension geometry with this informative cdrom computer software. Speedwiz is the best value you will find in automotive software. 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. 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.