by veritas <veritas@[EMAIL PROTECTED]
>
Feb 2, 2008 at 11:06 AM
RogerM wrote:
> invent an engine that say, is 6cyl, when on the highway at cruising
speed
> and not labouring (or liberaling) have some kind of device fitted that
drops
> the fuel inlet to say 2 or 3 cylinders to conserve fuel and then when
the
> power was required again switch to extra an cylinder or cylinders for
the
> added power? Just a thought and probably not feasible but I thought some
of
> you guys in here could give an explanation as to whether it would work
or
> not.
As other posters have pointed out - it is achieved by manipulation the
valves.
What I would like to see is the computer/hydraulic actuated valve system
perfected and put into production on the average car - doing away with
all controls except matched fuel injection. Simply controlling the
valve timing and travel to meter air in much the same way as fuel
injectors meter fuel, seems, to me, to be the ultimate efficiency design.
I understand that the system might already be used in some large diesel
engines.
---------------
Someone might be able to find a better reference than this:
http://tinyurl.com/3xq6x8
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