Mark,
It just wasn't used during WWII. The C-130, P-3, E-2B and other turbo-prop
aircraft still use a water solution for high performance takeoffs.
Steve Harvey
Milwaukee
Mark Gill wrote:
> Hello List,
>
> Introduction of water vapor into a petrochemical internal combustion engine
> does improve performance (improved burning of fuel). If my memory serves me
> right, this was used during World War II in airplanes to enhance their
> performance. There are two schools of thought as to why:
> 1. The evaporating water/alcohol cools the intake air and makes the air
> more condensed (more molecules of oxygen)as it is sucked into the combustion
> chamber. (Note the alcohol prevents water from freezing due to the venturi
> effect or sometimes referred to as vapor lock).
> 2. The water (H2O) introduced into the chemical mixture of fuel (Hydro
> Carbons) and air (Oxygen) performs a more efficient chemical reaction
> (burning) solution.
>
> I was not a good student (chemical or otherwise) so I don't know which is
> right if any. In the early 1970's as gas went from $0.25 to $0.50 per
> gallon, I helped a friend of mine install a water injector for a carburated
> gas engine. There was improved performance, but fuel mileage improvement
> was nominal since the big 455 Cubic Inch V-8, four barrel carburator was
> only getting 11-12 miles per gallon either way.
>
> Regards,
>
> Mark Gill
>
> >From: Alex Avery <aavery@rica.net>
> >Reply-To: Alex Avery <aavery@rica.net>
> >To: "Terry and Donna Cost" <tcost@vvm.com>, "Datsun Roadsters"
> ><datsun-roadsters@autox.team.net>
> >Subject: Re: cooler cars
> >Date: Wed, 24 Oct 2001 10:52:42 -0400
> >
> >How does the small amount of humidified air that is introduced into the
> >intake air stream remove carbon? If the air is at ambient air temp, how
> >much water vapor can it pick up in the short amount of time it passes
> >throught the alcohol/water mixture and to the intake manifold?
> >
> >If you live in a desert, where the air is naturally dry, is carbon build-up
> >more of a problem? Conversely, if water vapor/humidity helps prevent/remove
> >carbon buildup, are the engines on Florida cars naturally low on carbon
> >buildup?
> >
> >Curious Alex
> >
> >At 09:03 AM 10/24/01 -0500, Terry and Donna Cost wrote:
> > >I posted this to another list and thought the roadsters might also like
> >to
> > >see it. They were talking about carbon buildup, running hot, pinging,
> >low
> > >octane gas, etc.
> > >
> > >A long time ago J. C. Whitney sold a water vapor injector kit that they
> > >advertised to remove carbon, increase horsepower, run cooler, cure you of
> > >warts, etc. The "kit" was a quart bottle with two holes in the lid. One
> > >hole had a length of fish tank bubble tubing connected to a bubble stone
> >on
> > >the bottom of the bottle, the other hole connected to a bubble valve on
> >the
> > >lid, then bubble tubing from the valve to a vacuum port on the carb or
> > >manifold. They sold a magic mixture to put into the bottle, which was 1/5
> > >alcohol and 4/5 tap water. The alcohol helped the bubble action. You
> > >started the engine with the valve closed, then adjusted it to just barely
> > >bubbling at idle, which was full vacuum. Air went through the lid into
> >the
> > >bottom of the bottle, became water vapor, left the jar at the top by the
> > >hole in the lid, went into the valve, through the tubing to the carb or
> > >manifold, then did it's magic in the combustion chambers. They sealed
> >the
> > >holes to the tubing with clear sealant. You refilled the bottle by
> > >unscrewing the lid and pouring in 3/4 quart of mystery mixture. The kit
> > >also had a hanger to secure the bottle to a firewall or fender. I
> >refilled
> > >my bottle about twice a month. On an older carbureted car it works very
> > >well, keeping the engine cooler and burning off the carbon. I made a few
> > >from plastic juice bottles and fish store hardware, and bought rubbing
> > >alcohol for the magic mixture.
> > >
> > >Only 17 days until the TDROC Fall Rallye in Kerrville. Let me or Mike
> >know
> > >if you are coming so we can plan for numbers. Day trippers on Saturday
> >the
> > >10th are welcome. Drive a Datsun or whatever will get you there. See
> >you
> > >in Kerrville!!
> > >
> > >Leisure Suit Terry
> > >
> > >///
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> >
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>
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