Instant centers, long, short, high and low various approaches have given different results and with so much attention being given to the intersection point, the location of the bars is rarely mentioned. There is a roll center for the front suspension and rear suspension. Susprog3d is the premier kinematic suspension design and analysis tool. There is no comparison to any other 4 link software. Give your jeep or truck exactly what it needs with industry leading products and expertise at. Vehicle travel is simulated by dragging the image with the mouse or with a scroll bar. Susprog3d is a complete 3d software package for the design, setup.
In this article well cover what we consider to be the three most important elements. Rear triangulated 4 bar bushings and geometry the h. The classic version of the suspension geometry calculator. There is no comparison to any other 4link software. Orlandea and chase, 1977 was the use of the software to analyse suspension geometry. We will provide you with best prices on top name brands. What the parallel fourlink gives up in strength compared to the radius arm, it makes up for in better ride quality and handling. Download 4 link suspension calculator for free windows. No part of the program or code shall be reproduced for commercial use. Mike mahon, mahon family racing, london ontario canada. If you are on the market for a more indepth, customizable 4 link suspension calculator, you will likely need to purchase software. I use this program almost daily, both in my design.
The 4link calculator lets you input, view, save, analyze and compare your 4link rear suspension geometry. Double triangulated 4 link crossmember kit genright jeep. For windows 7, 8 and 10 with opengl see the faq for more details faq for more details. Funky 4 link design please note, this list is based on contributions by many people. Chassis master software tim mcamis performance parts. This is a 4 link suspension with all 4 links running parallel to each other. If you want to use this calculator ad free, enable unlimited private models. Typical rear suspension screen, here analyzing an angled 4 link rear suspension and driveshaft movement and u joint angles. A fullyadjustable 4 link suspension allows you to move the instant center not only up or down, but also forward or back by increasing or decreasing the angle between the bars.
Vsusp no longer supports any version of internet explorer. 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. The universal 4link plotter will work on any 4link brackets both standard and adjustable. The 4 link calculator lets you input, view, save, analyze and compare your 4 link rear suspension geometry. Software for suspension analysis automotive suspension. Your software has eliminated that tiresome, mistakeprone task. One of the most common questions we get about suspension setup and tuning is how 4 link geometry affects the performance and handling of a vehicle. It is simplicity itself and a great place to start learning about suspension geometry. Autoware autoware inc rear suspension geometry software. Add a 4 link suspension kit to your car or truck to add performance and adjustability to your suspension.
If your car wheel stands too much, you can angle the 4 link bars closer together at the. Autoware autoware inc front suspension geometry software. Depending on the type of racing for race cars, the road surface and evolution of the vehicles, the suspension is designed to accommodate multiple requirements. Performance trends offers a few different options, including a free trial. Along with the movement of the chassis, the front link attachment points move, and the rear ones move correspondingly.
Design of three and four link suspensions for off road use benjamin davis union college schenectady, ny. This kind of suspension always has some kind of panhard bar to keep the axle centered. The most popular version among the software users is 2. Heavy duty rod ends are a must on any 4 link that will take right pedal abuse.
Download the free susprog3d for windows xp, vista, windows 7 and 8. The roll center, as its name implies, is the center of rotation for a suspension system. Design of three and four link suspensions for off road use. Calculate the 4link setup in any car, with any brackets in less than 15. Upper lateral link, lower parallel links, twin trailing. Computer program to simulate and analyze rear suspension 4link setups for.
At some point you will want to enter your own suspension geometry data or even just just view the current model in more detail. Rear suspension design three link four link two link. Once the geometry has been set up, the paper will discuss how to measure the. Jerry bickels 4link wizard professional version jerry bickel race cars, in cooperation with etc, inc. The calculations vary from motion ratios, to spring stiffness, to wheel loads. Waverspeed universal weld on parallel 4 link suspension kit 5 bars classic car rat rod mounts. Ford integral link independent rear suspension as used on the 2015 mustang. Choose from jegs, competition engineering and other high strength 4 link suspension kits or replacement parts.
Suspension geometry characteristics of a live axle are as follows. 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. 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 the url. Suspension geometry an overview sciencedirect topics. Finding your center finding your front and rear roll center. There are dozens of variations of suspension types used on race and passenger vehicles. Another fourlink design is the triangulated fourlink. We have figured out all the mounting points to optimize suspension geometry weight transfer, minimal rear steer and proper amount of antisquat for you, while. Performance trends 4 link calculator demo movie saving and. This program is provided free of charge for personal use in the assisting of suspension calculations.
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. Education software downloads 4 link calculator by performance trends inc and many more programs are available for instant and free download. 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. Take a look at performance trends calculators here. Because internet explorers maximum url length is shorter than other browsers, your project cannot be saved properly in this browser. There are many thick textbooks, expensive software, and hundredpage internet forums out there on the subject of 4link geometry and it is very. This is the genright off road design double triangulated 4 link cross member only kit for a jeep tj or yj. I have been playing with the 4link wizard a little bit, and am very impressed. The suspension analyzer does a complete 3d suspension analysis, including bump steer, ackerman, caster gain, anti dive, tire scrub, camber gain and much more. Four link coil spring live axle rear suspension fig. A newer style that works well as an allaround type of suspension and also does great on the track. Lower lateral link, upper reversed aarm, twin trailing links rear a variation on the above. Used by many of the best teams in drag racing, chassis master is easy to set up and input information. Floater brakes, floating shock, full gearing and rear derailleur modeling, all wheel sizes supported.
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. Links may be made to the site, but the product may not be redistributed in any way other than by direct download from. Metric fourlink suspension design circle track magazine. The parallel fourlink needs a track bar to locate the axle side to side. The suspension calculator aims to help people who are building race cars perform suspension related calculations. Universal 4link plotter digital download quartermax. 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. This open access is brought to you for free and open access by the student. Front view suspension geometry calculatorsimulator. Parallel 4 link rear suspension system how to build. Helix 729811 triangulated 4link kit mustang ii disc 2piece spindle 11in big brake conversion 5x4. I have used few of these programs in anger, but had a play with many of them. Analyzing chassis geometry has been a very time consuming effort. Anytime you add a pivot, you add a wear item and the potential for deflection.
Ideal to make your rig a top notch rock crawler with awesome articulation. Drag the car body up down and left right with the mouse to view pictorial and numerical analysis of the change in suspension geometry during travel. Upper lateral link, lower reversed aarm, twin trailing links rear the classis 60s sports and racing car rear suspension. 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. As you drag the mouse or the scroll bar, the car moves up and down in response.