Re: It's a Gas

[Ken Ames <ameskg@xxxxxxxxx>]

Isn't this kinda the opposite of what you might want? Lots of boost at low speed
will _really_ stress an engine, you want more boost at higher rpm where the
engines volumetric efficiency drops off. 

Ken Ames

Quoting Tom Jennings <tomj@xxxxxxx>:

> On Mon, 19 Sep 2005 farna@xxxxxxx wrote:
> 
> > The electric turbo looks neat, but boost goes DOWN with speed.
> > Starts at 5-6 psi, goes down to 3 psi at higher speeds. Takes to
> > much juice to spin it up at high speeds. I think I'll stick to the
> > remote setup -- can do that with mostly salvaged parts too.
> 
> Why is this a problem? Except for race conditions, boost at low
> speeds, and less so at cruise, would seem perfect. A small
> displacement engine is fine flat-and-level, but lacks torque for
> accelleration.
> 
> The real advantage to the electric supercharger would be software
> control -- essentially the times when you'd be lugging it, you
> boost the hell out of it, and back off at highway cruise.
> 
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