![]() ![]() " New Suspension Component Design" is similar to the first section. The second section " New Suspension Design" helps you determine how you want your new suspension to behave. It also explains some of the basic theories behind suspension tuning. The first section " Existing Suspension Design" explains how to measure the characteristics of your current suspension. It uses figures of suspensions as guides to show you where to make the measurements the spreadsheets call for. ![]() It is strongly recommended that you read the ENTIRE manual before you start working with either the spreadsheets or your car. It is divided into sections that correspond to the sections in the spreadsheets. Plus, the stiffer front sway bar can help "get the power to the ground" better exiting turns. The reduction in body roll often helps the grip of the front tires more than the increased weight transfer hurts because the tires are flatter to the ground. For instance, front-engine, rear-wheel drive cars often benefit from a stiffer front sway bar - even though you might think it would cause the car to understeer excessively. For these reasons, I cannot guarantee the accuracy of the final results of these spreadsheets or how the parts you may purchase or build according to these results affect your car and its handling.Īlso, while these spreadsheets do a great job of meeting the parameters you set them, there may be times when you are better off favoring other aspects of your car. Leaf springs, especially, are not easily quantifiable due to the different ways they can be constructed. feel free to contact me & discuss.While these equations are nothing new, have been used by automobile manufacturers and racing teams for decades and have been thoroughly tested, there are many factors which can affect your car's suspension and the accuracy of the spreadsheet results including bushing deflection, shock absorbers, the accuracy of your computer's math co-processor, tolerance "stack-up" and steel and workmanship quality. If anyone needs help deciding on a software. I provide you with the realistic changes to make & you end up with a highly optimized suspension set-up. and then use my knowledge & experience to design you an optimum set-up. I input the numbers to calculate what your current set-up is. It's a pretty simple process and an everyday part of my business model, where I provide you instructions & a form. I offer a large menu of tech services to do this for you. īe it roll centers, steering, spring & sway bar rates or building a custom suspension. and for that you'll want to purchase & learn the appropriate software.įor other car guys that aren't interested in doing multiple cars & just want to get their one car optimized. I am a fan of people learning this stuff, measuring their cars, experimenting with set-ups, etc. I have found Performance Trends Suspension Analyzer is the easiest to use of the complete, 3D software brand options, but that's like saying brain surgery is easier than rocket science. It is more complex to use, mainly because you have to sort through a gazillion input options most guys won't use. I use the full design version, called "Suspension Analyzer" which allows me to design every aspect of the car's suspension & see the 3D results. ![]() Go HERE.īoth of these software versions above are pretty easy to learn & use.ģ. This allows you to work out your spring & sway bar rates. The FLLD calculation in the "Plus" is worth the price of the software all by itself, because you can work out combinations of roll center, spring rates & sway bar rates and KNOW how balanced the car will be. it also includes rear suspension & overall handling calculations, which I think is important. A better route is getting their "Roll Center Calculator PLUS"įor $129. I recommend this version for car guys working out their front roll center, camber gain, dive evaluations, etc. PT's basic front suspension software, called "Roll Center Calculator" The three common versions I recommend are:ġ. Besides being accurate, they're easier to use than most others, have good visuals, great graphs & you can buy the level you need without having to buy a full blown race car designing version. I personally use, recommend & sell the Performance Trends software products for a few key reasons. ![]()
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