I think doing this so is not a good idea anyways. You should apply the
break for holding the position of the car, not clutching with the manual or
playing with the gas on an automatic. I even ended up putting the gear
selector to neutral on the automatic when there is a longer red sequence --
as even at the idle speed it tries to pull the car a little bit which
abuses the drive train -- similar to holding the position on a slope -- and
also burning more fuel in the meanwhile. On manual more people are doing
this so as pushing the clutch pedal makes your left leg tired.

Tamas


On 5 August 2012 08:00, Sean Breheny <shb7@cornell.edu> wrote:

> On Fri, Aug 3, 2012 at 2:26 PM, Gerhard Fiedler
> <lists@connectionbrazil.com> wrote:
> > But then there are the newer automatic transmissions of mostly European
> > descent. They are dual-clutch gearboxes, essentially a manual
> > transmission with a clutch that can be easier controlled automatically
> > than the clutch of a standard manual transmission. These together with
> > an electronic drivetrain controller gives an automatic transmission tha=
t
> > has transmission characteristics that are more similar to classic manua=
l
> > transmissions than to classic (hydraulic) automatic transmissions.
> >
>
> Gerhard,
>
> I am curious - do these dual-clutch automatic transmissions
> automatically slip the clutch to provide static torque? For example,
> what happens if you are facing up a hill and you try to apply just
> enough throttle to hold position on the hill? The torque-converter
> type transmission can just dissipate the engine's work as heat in the
> fluid of the converter. A person would normally do this by slipping
> the clutch on a manual transmission, I think. It would seem that the
> automatic transmission using clutches would have a higher risk of
> damaging the clutches if it were driven by someone who was used to the
> torque-converter type because there might be a lot of clutch slipping
> going on.
>
> Sean
> --
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