re: GTV6 roll center, Zat "dive limiter"

[Joe Elliott <jee@domain.elided>]

This may be a stupid question, but it's been bothering me all week: 
Tom Zat claims his "dive limiter" (which, for those of you that don't 
know, is a limiting doodad that connects the center pivot on the 
Watts linkage to the trunk floor) also limits roll.  What I've been 
wondering is if, while keeping the center of gravity closer to the 
centerline of the car's track width, might it end up making the car 
roll more?  If I'm completely nuts, please tell me what I'm missing. 
It wouldn't surprise me if the Watts link would prevent that from 
happening, but I'm not sure, and this seems like an appropriate time 
to ask, or at least as appropriate as any.

Thanks,
Joe Elliott

At 9:07 AM -0500 11/20/01, alfa-digest wrote:
>Date: Mon, 19 Nov 2001 19:45:07 -0800 (PST)
>From: James Montebello <jamesm@domain.elided>
>Subject: Re: gtv-6 rear roll center
>
>Putting aside the merits (or lack thereof) of lowering the rear roll
>center on a GTV6, actually doing so would not be easy.  It's defined by
>the location of the center pivot on the Watts linkage, so that would have
>to be lowered.  You'd really have to lower the side pivots, too, by the
>same amount, to preserve the geometry of the linkage.  While this would be
>possible, the fabrication required would be very difficult, and would add
>a good bit of weight to the very back of the car.
>
>james montebello
>84 gtv6
>74 berlina

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