> > Wikipedia is your friend. =A0You can't get much more solid than with a = CVT,
> > there is not even a clutch in some cases:
>
> >formatting link
> Thanks for that pointer but my impression was that even the CVT-s use
> some kind of slipping hydraulic torque converter as the following quote
> indicates from the bottom of that Wikipedia article:
>
> "In 2010, the US Patent Office issued patent number 7,647,768 B1 for a
> series of hydraulic Torque Converters that use hydraulic friction rather
> than mechanical friction as a CVT."
>
patent is issued but are there any know applications of it just yet? Don't think there are any
I could not feel much difference in engine braking between M/T and slushbox though I haven't driven a shushbox downhill in quite a while so can't be sure