Alex Rodriguez wrote:
> In article .com>,
> says...
>
> >I thought a supercharger was demand based, i.e. not running at light
> >throttle openings
>
> No, that more accurately describes a turbocharger. Until you get enough
> exhaust gas flow, it is basically doing nothing. To get more exhaust gas
> flow, you need to step on the throtle some more.
>
> -----------------
> Alex

I didn't think superchargers were running full time, but were brought
into use by a clutch.