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Re: rollover

To: british-cars@alliant.Alliant.COM (British-Cars)
Subject: Re: rollover
From: Mike Johnson <mit-eddie!hplabs!hpupora!mikej@EDDIE.MIT.EDU>
Date: Tue, 18 Sep 90 10:30:29 PDT
> 
> Nice picture, but it does leave out a potentially important factor:
> Roll inertia. If your moment of inertia about the roll axis is high,
> and the car develops significant angular velocity during suspension
> travel, when you run out of travel the bump stops may not stop the roll.
> There are several ways to counteract this effect:
> i) the JSY method: smOOOthly initiate and terminate your turnin, so
> that trasient torques along the roll axis are minimized.
> ii) BIG anti-sway bars.
> iii) small moment of iniertia along the roll axis.
> 
> i) and ii) above are the oens that generally apply to a vehicle that
> is already in hand, as opposed to "on the drawing board".
> 
with apologies to teriann

and iii) means don't put lots of stuff on the roof.  Ever watch a fully
loaded Land Rover *navigate* an autox course.  Entertaining but
frightening.  anti-sway bars?  can you say list control (;-) as in *heavy*
weather helm!

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