Re: can someone please clear it up for me!! - Saab Performance Bulletin Board - Saabnet.com
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Re: can someone please clear it up for me!!
Posted by 2Slow (more from 2Slow) on Fri, 15 Jun 2001 08:46:08
In Reply to: can someone please clear it up for me!!, Quinn Kurz, Thu, 14 Jun 2001 18:49:49
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Another way of looking at the under/oversteer definition:
Imagine a vehicle rounding a constant radius corner.
In a understeer vehicle the faster the vehicle travels, the more the wheels need to be steered.
In a oversteer vehicle the faster the vehicle travels, the less the front wheels need to be steered.
For a oversteer vehicle there is a critical speed = (gL/-Kus)^.5 Above that speed the vehicle is unstable and inftesmal steer input yields infinite output. In practice things aren't infinite since there is some damping, but a oversteer vehicle above the critical speed is quite a handful... By the way g = acceleration due to gravity, L = wheelbase, Kus = understeer coeficent.
-Joe
Posts in this Thread:
- can someone please clear it up for me!!, Quinn Kurz, Thu, 14 Jun 2001 18:49:49
- Re: Kevin right...more, JohnK, Fri, 15 Jun 2001 11:44:34
- Re: can someone please clear it up for me!!, 2Slow, Fri, 15 Jun 2001 08:46:08 <-- Viewing This Message
- Ah well there we go again... LOL, Coolknight, Fri, 15 Jun 2001 06:25:01
- Re: can someone please clear it up for me!!, Phil, Thu, 14 Jun 2001 19:22:04
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