wrote in
ups.com:

> Well, it's not exactly the same, because you can, by increasing the
> pressure, increase the speed of the wheels, but how can you, by
> reducing the pressure, slow it down? won't it just "ignore" the
> change? for example (I know it's not the same) - in a bicycle - you
> can accelerate by the pedals, but you can't slow down by turning them
> slower...



You can on a track bike. Track bikes have no freewheeling, and are thus
more analogous to a torque converter.



--
TeGGeR®