i would think it works much the same way the Porsche "Sportomatic" of
early 70s fame worked...
a microswitch on the shift lever and a vacum actuated clutch. When you
grab the stick, the switch closes and the clutch opens, change gears and
release the knov, the clutch engages.
This was available on 914s (my other bad habit..) and 911s of early 70s
vintage.
I think the VW semiautomatic worked the same way. FWIW, i have heard
they are very smooth to drive, as long as they are in proper working
order. Takes a bit of getting used to, but i have never gotten to drive
one.
aaron
> -----Original Message-----
> From: Allen Nugent [SMTP:A.Nugent@unsw.edu.au]
> Sent: Monday, March 16, 1998 6:33 PM
> To: James
> Cc: triumphs@autox.team.net
> Subject: automatic transmissions
>
>
> James,
>
> At 09:35 16/03/98 +0000, you wrote:
> >What someone needs to invent is a clutch that disconnects when you
> stop
> >are below 900 rpm's higher on choke and re engages when you are above
> 900.
>
> So, how does the Citroen DS work, then? It has no clutch pedal, but is
> not
> an automatic.
>
> Allen Nugent
> Graduate School of Biomedical Engineering
> University of New South Wales
> Sydney 2052 Australia
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