Independent Rear Suspension, OEM, aftermarket, stock configuration or heavily modified, all makes and models, everyone is welcome here!!!

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12/21/2012 6:12 pm  #1


Multi Link Suspension

We are designing and fabricating a circle track race car to be run on dirt. It is going to be mid/rear engine and rear wheel drive, therefore requiring independent rear suspension. We've normally dealt with a live axle rear suspension with a 4 link design, so we don't know exactly how an independent rear suspension works. The basics aren't hard to understand, and we believe that it has several advantages over a live axle, since each wheel acts on its own, and not affecting the opposite wheel as it travels over bumps and such. What we need to know, is what creates traction on a multi link suspension as far as forward/side bite in the turns while on the throttle? Are there better designs than others? We are open to any and all ideas.

Thank you very much!

 

12/22/2012 6:14 am  #2


Re: Multi Link Suspension

You have all kinds of special going on, racing on dirt. Do the rules allow an IRS?

Here's a asphalt figure 8 car. Check out the toe link at the bottom of the video. It looks like he's toeing the rear outward under jounce like a dirt car. As far as anti-squat I think most racers tend to go neutral/zero.

rear independent suspension outlaw figure 8 car
http://www.youtube.com/watch?v=CsbpEOrqJpE

Ralphy

Last edited by Ralphy (12/22/2012 6:24 am)

 

12/22/2012 4:18 pm  #3


Re: Multi Link Suspension

That was a lot of Toe movement I thought.  Not too unlike the normal C3 with trailing arms.
Thanks for the video Ralphy.
Cheers - Jim


UNDERCONSTRUCTION! Highly Modified C3 Corvette
         Dual Wishbone IRS w Subframe + Custom Uprights
 

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