Re: [ST] for Brett - fuel economy

["Rik Relph" <rik.relph@xxxxxxxxxxxx>]

I have seen the result of injecting or forcing water into the carb duct
(pipe from the carb to the inlet port) on a supercharged B40? BSA.  The
increase in power is due to the water molecules dispersing the fuel more
evenly and the effect of the water molecules vaporising during the burn.
This works best with long stroke engines.
It is normal with special build superchargers to have water injection.
There is a mod kit which can be installed on a Jaguar XKR for doing this.

If you want to research the "scrounger", it won best engineering and various
other top prizes for a couple of years in the 90s.

Rik.

Cambridge, England

'02 ST
'00 FXDWG

-----Original Message-----
From: st-bounces@xxxxxxxxxxxxxxxxxxxx
[mailto:st-bounces@xxxxxxxxxxxxxxxxxxxx] On Behalf Of sprint_st@xxxxxxxxxxx
Sent: 18 April 2006 20:53
To: ST@xxxxxxxxxxxxxx
Cc: Emile Nossin
Subject: Re: [ST] for Brett - fuel economy

---- Emile Nossin <Emile@xxxxxxxxxx> wrote: 
> >From: Joel Ashman
> >Also, if you throw some moisture into there, like on a good cool foggy
> >night, combustion process is even more efficient.  My old truck used love
> >those nights.
> 
> Precipitation good for fuel efficiency? I doubt that... Besides the
> fact that carbed engines get a higher chance of carb icing (also at
> temps way above freezing) the moisture replaces air which means you
> should lean the fuel to get to the same ideal burn mixture. Less fuel =
> less energy. Your truck probably liked the coolness though (= more
> air density... moisture should make the air density higher).
> The foggy conditions indicate clear skies (earth radiation will cool
> down the soil quicker), so that should indeed be a cold night.
> 
> Emile
> www.piloot.com
> 
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