Fw: GTV6 inboard brakes - why?

["Daegrigg (Don)" <daegrigg@domain.elided>]

----- Original Message -----
From: "Daegrigg (Don)" <daegrigg@domain.elided>
To: "Zak McGregor" <zak@domain.elided>
Sent: Thursday, September 19, 2002 5:51 PM
Subject: Re: GTV6 inboard brakes - why?


>
> ----- Original Message -----
> From: "Zak McGregor" <zak@domain.elided>
> To: <alfa@domain.elided>
> Sent: Thursday, September 19, 2002 3:29 PM
> Subject: GTV6 inboard brakes - why?
>
>
> > Hi all
> >
> > I was just wondering about the GTV6 and why inborad discs were chosen -
> > anyone have any insight into that? I would have thought from a technical
> > point of view that the closer the discs are to the wheels, the more
> > efficient they would be.
> >
> > Thanks
> >
> > Ciao
> >
> > Zak
>
> The basic reason is what is know as unsprung weight.  Placing the discs
> essentially on the output flanges  of the transmission (which is attached
to
> the chaisis) combined with the use of  de Dedion tube  makes the rear
> suspension unsprung weight very low, compared to other designs.  Why is
low
> unsprung weight  (weight that is not supported by the suspension system
and
> thereby must be part of that suspension) a good attribute?   The car's
> suspension must  not only support the car but absorb the various shocks
the
> road surface transmits.  The lower the mass of the suspension the less
work
> it must do simply to control its own motion, let alone keeping the load
> above on the straight and level.  Look at it this way, the lighter the
> suspension,  the more nimble and able it is to do its job.
>
> Don
>
>
> 91 164S
> 86 Graduate
> 79 Alfetta Sedan
> 95 Infiniti
>
> > --
> > ========================================================================
> > http://www.carfolio.com/        : Searchable database of 8500+ car specs
> > ========================================================================
> > --
> > to be removed from alfa, see /bin/digest-subs.cgi
> > or email "unsubscribe alfa" to majordomo@domain.elided
--
to be removed from alfa, see /bin/digest-subs.cgi
or email "unsubscribe alfa" to majordomo@domain.elided