From: william f cox (grntrks@juno.com)
Date: Mon Aug 18 2003 - 18:33:41 PDT
The early B52 bomber used water and later models used water/alcohol
injection in the turbojet engines during take-off and for extreme
emergencies. That's what caused the heavy black exhaust trails during
take-off. I don't remember the percent of thrust increase ( jeez, it's
been 40 years already? ) but, it was substantial.
Frank
On Mon, 18 Aug 2003 20:00:43 -0700 patrick jankowiak <eccm@swbell.net>
writes:
> I remember reading about something like that, not sure which
> aircraft.
> The throttle lever had a thin wire across the slot at the top end
> of
> its travel to "full throttle". If you shoved the trottle hard
> enough
> to break the wire and move to the end of the slot, the engine got a
> large dose of extra fuel, water, and nitrous oxide. This was for
> emergencies only.
>
> Everette wrote:
> >
> > What I have used is a plastic soda bottle with hole drilled in
> cap. You
> > squirt what you want.
> >
> > I am sure you have heard about the injection of water into intake
> of some
> > piston engines to give horsepower boost in emergency. I have heard
> there was
> > a water injection system on P51.
> >
> > Friend of mine who is auto wizard rigged a spray nozzle in top of
> air
> > cleaner, hooked windshield washer pump to it, and to water bottle
> under
> > hood. Put a toggle switch on it so he could turn in off and on if
> he was or
> > was not planning to activate system. Had electric solenoid just
> before
> > spray nozzle and it was controlled by spark advance -- do not know
> details -
> > saw it and saw it used but do not know everything done to make it
> work --
> > When you accelerated quickly, if you had pump turned on, electric
> valve
> > opened and sprayed mist of water into top of carb. He
> experimented with
> > nozzles until he got size he wanted. He said was definitely a
> boost in
> > horsepower when valve opened.
> >
> > I tried to get him to put alcohol in container and he would not do
> it.
> >
> > Everette
> >
> > I WILL LIFT UP MY EYES TO THE HILL,
> > FROM WHENCE DOES MY HELP COME,
> > MY HELP COMES FROM THE LORD WHO
> > MADE HEAVEN AND EARTH.
> >
> > ----- Original Message -----
> > From: "Glen Bedel" <GBedel@designforum.com>
> > To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
> > Sent: Monday, August 18, 2003 11:21 AM
> > Subject: Re: [MV] fouled plugs - carbon build up
> >
> > My suggestion for water in the carb, would be a misting bottle.
> Accidental
> > pouring of a large amount of water could be detrimental to your
> engine.
> > The Mechanics I knew use to use tranny fluid to clean out carbs (a
> large
> > amount of white smoke will appear).
> >
> > -----Original Message-----
> > From: J Travis [mailto:dagobert@ix.netcom.com]
> > Sent: Monday, August 18, 2003 12:17 PM
> > To: Military Vehicles Mailing List
> > Subject: Re: [MV] fouled plugs - carbon build up
> >
> > Seen it done first hand with Risolene brand engine treatment, too.
> Did
> > a good job, but be prepared to explain to the nice local fire
> department
> > chief as to what it is you are doing and why BEFORE the neighbors
> call
> > in and report this MASSIVE cloud of smoke rising up from the back
> of
> > your house as being a fire...
> >
> > Jay Travis
> >
> > Everette wrote:
> >
> > >I WILL NOT TAKE RESPONSIBILITY IF THIS IS DONE -- HOWEVER
> > >
> > >
> > >I have been around mechanics and their shops ever since I could
> walk
> > >and this is a trick that I first saw my father do some 50 years
> or so
> > >ago, and since then have seen others do it and have done it
> myself a
> > >few times
> > >
> > >If you have an engine that has pre-ignition knock/rattle and/or
> is
> > >fouling plugs I have had success clearing problem by::
> > >
> > >Run engine until it reaches normal operating temp.
> > >
> > >Remove air cleaner and as you hold throttle to higher RPMs than
> idle
> > >slowly dribble water from bottle into carb/throttle body, not
> enough to
> > >stall engine and stop and let engine pick back up if it tries to
> stall.
> > >Use about 12 ounces water, you should get black junk out tail
> pipe and
> > >it will remove carbon from inside cylinders and if plug is firing
> will
> > >clean it, if plug is not firing that cylinder will not heat and
> water
> > >will not effect it.
> > >
> > >I have also seen similar thing done with transmission fluid, I
> was
> > >recently told not to do this with the modern fluids that can be
> used in
> > >GM or Ford either. Use old style "A" or Ford. My information is
> that
> > >the new multi-vehicle transmission fluids contain solids.
> > >
> > >
> > >
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> > >
> > >
> > >
> >
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>
Frank Cox (grntrks@juno.com)
Vietnam 1966
'45 GMC 353 DUKW
'66 M35A2 w/w
'68 M105A1
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