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Understanding what your suspension is doing?

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Old Aug 7, 2002 | 09:07 AM
  #1  
Dr. Design's Avatar
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From: CA, USA
Default Understanding what your suspension is doing?

Hello,
In an attempt to provide important information regarding the suspension we are providing the following topic for viewing.
Most people think that by adding an aftermarket sway bay it will stiffen the chassis. Wrong! This is kind of an extreme example but you will get the basic idea. The sway bar will reduce the body from rolling on the frame and suspension. Picture the car from the rear. Pretend that there is a ball between the suspension and the body that allows for the body to pivot off of the ball. What the sway bar will do is reduce the amount of pivot that the body has on that ball. The sway bar does exactly what it is supposed to do. One thing it will not do is stiffen the chassis. ONLY chassis stiffeners will do that. So what we have here is the chassis secured on the suspension with body roll.
Question? What is keeping the chassis from twisting? A sway bar, springs, and shocks are not the answer to superior handling. Even if you use stiffer springs, stronger shocks, or a huge sway bar, what is keeping the corners of the car from moving at different levels (aka twisting)? When the chassis twist it waste energy and takes away performance from your suspension. If anything it is even more apparent that the car is twisting. If you add a chassis kit or a roll cage to the car it will keep the chassis neutral and all four corners in sync with each other. As a result this will allow the suspension to do what is supposed to do. "Even though it is made of steel (and whatever else), the chassis and body of every car flexes. As a car progresses through a turn, the forces involved will cause the car to twist. This needs to be minimized......
This is an actual twisting of the floor pan and body panels. Like the flexing of a suspension system, this twisting impacts the tire contact patches, and in fact affects the suspension system by changing the suspension system's alignment with the body and with the road surface."

The 1st law of physics states that, "An object at rest or moving at constant velocity will continue to do so unless acted upon by an external force". The CSK-C IS THAT EXTERNAL FORCE!

Thank you,

Dr. Design
D3 Automotive Designs
Performance Guaranteed
http://www.dthreedesigns.com
310-428-7716
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Old Aug 7, 2002 | 06:12 PM
  #2  
ThePunk's Avatar
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Default Re: Understanding what your suspension is doing? (Dr. Design)

Just a FYI, your are not allowed to use the regular forums to sell your products. Please check into the best-buys forum. Only Board sponsors are allowed to post in regular forums.
Thank You.
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Old Aug 7, 2002 | 10:32 PM
  #3  
MK Ultra's Avatar
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From: too close to Oklahoma
Default Re: Understanding what your suspension is doing? (Dr. Design)

An important thing to note is that stiffer springs and anti-sway bars will increase the flexing of the chassis. Why? Because more of the force that would normally be dissipated by the movement of the suspension is now transmitted to the chassis due to the less compliant components.

Another way to help reduce chassis flex is to reduce the weight of the vehicle. A lighter vehicle doesn't need as heavy a spring to handle well. A lighter vehicle can use softer anti-sway bars. A lighter vehicle doesn't need as wide (read: heavy) a tire to maintain grip, and can use smaller, lighter brakes to reduce unsprung weight. This is why weight is often referred to as "the ultimate enemy of performance" and why I look on with disdain as the cars I enjoy are without fail replaced by larger, heavier successors.

Simply adding more power never compensates for greater mass. The manufacturers would do well to keep performance-oriented vehicles lightweight.
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Old Aug 8, 2002 | 01:19 AM
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JMF's Avatar
JMF
 
Joined: Jan 2002
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From: Tempe, AZ, USA
Default Re: Understanding what your suspension is doing? (Dr. Design)

How many times do you have to post this?

Your Newton's Law quote is cute in a hideous sort of way but does not say much for your product.
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