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1993-04-08
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(word processor parameters LM=8, RM=75, TM=2, BM=2)
Taken from KeelyNet BBS (214) 324-3501
Sponsored by Vangard Sciences
PO BOX 1031
Mesquite, TX 75150
There are ABSOLUTELY NO RESTRICTIONS
on duplicating, publishing or distributing the
files on KeelyNet except where noted!
April 2, 1993
VAPRCARB.ASC
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This file shared with KeelyNet courtesy of Bob Aldrich.
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If you choose to experiment with this device, you assume full
responsiblity for your actions. KeelyNet offers it not as a project
but as a "conceptual" approach to increasing gas mileage.
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┌───────────┐
└───┬───┬───┘
│ F │
┌─┴───┴─┐___________
└───────┘ E │
│
│
┌─────┴─────┐
Note 1--->│ │
│ │
│ │ D
│A <─┼──────┐
│ │ │
│ │ │
│ │ │
└─────┬─────┘ │
│ │
│ │
│ │
H │ │ G
│ │
│ │
│ │
│ │
│ │
│ │
┌────────┐ │ ┌───┐ │
│ B ├────────────────────┴───┤ J ├────┘
└────────┘ C └───┘
A Spherical or dome shaped device. Head of a 5/8"
Carriage Bolt or equivalent, such as a teaspoon).
B Gas Tank
C 3/8 "T" Fitting, Brass compression type
D Nozzle
Page 1
E 3/8 copper tubing (See text)
F Carburetor (See text for fuel injected vehicles)
G Gasoline supply line (3/8 or 5/16" tubing)
H Drain line (1/4" tubing)
J Fuel Pump
Note 1: Sealed container approximately 3" Diameter,
5 " long (About the size of a pint jar)
PIPE T
This project requires mechanical ability and knowledge of automobile
fuel delivery systems. Since raw gasoline is involved with this
project, safe practices are absolutely required....No Smoking....No
flames....Use your head !!!
This design is based on Patent No. 3,227,427 issued 1/4/1966, now
expired.
The drawing illustrates a device, according to the inventor,
achieves a 50 to 100% improvement in gasoline mileage. The inventor
claimed that he achieved 50 miles per gallon with a full size
Chevorlet sedan equipped with a 327 cu in V8 motor. He sold the
patent to Gulf Oil for $54,000 in 1968.
Before going any further, keep in mind while reading this, that only
gasoline VAPORS burn in an engine. Anything that has not turned
into vapor, gets blown out the exhaust pipe and into the catalytic
converter, where it is burned. That's why the catalytic converter
get so very hot.
There are three ways gasoline is vaporized:
Evaporation, heat and vacuum.
This device uses engine vacuum to vaporize liquid gasoline that is
sprayed, blasted or jetted, against the head of a carriage bolt.
The head of the carriage bolt or other such domed or spherical
shape, provides a large, extremely thin layer of gasoline for to
make it easier for the vacuum to "rip" into vapor. Liquid gasoline
that does not turn into vapor, collects in the bottom of the
chamber, drains down to a pipe T, connected to the suction side of
the fuel pump, and re-circulates over and over, until it is turned
into vapor.
Make up gasoline, as needed, flows from the fuel tank, normally. A
vapor lock will not occur. Vapors are sucked out of the chamber,
via the 3/8 vapor line (E), into a vacuum portion of the carburetor
(see construction details).
Construction Details
The device has been built, using a pint salad dressing jar as the
container. The inventor indicated that he originally used a large
Page 2
Pipe T for his prototype. Until experience is obtained, the glass
jar is recommended so that the flow rates of the liquid, levels and
vapor can be observed during experimentation. Using a 1/2 inch,
glass drill bit, drill a hole in the bottom and sides of the jar.
Position the holes directly opposite each other and midway on the
jar.
Use kerosene as a lubricant for the drill bit, and take your time
while drilling. Use a light pressure on the drill, and let the
drill bit do the work. Being extremely careful, install 3/8 inch
brass compression fittings in the holes drilled in the glass jar.
Use large diameter fender washers on both sides of the glass for
reinforcement. The washers are glued on the jar, using a silicone
glue (Elmer's). The washers will better fit the jar, if the washers
are bent slightly to conform to the curvature of the glass jar.
The compression fittings are then installed into the washers and
jar. Tighten the fittings on the outside of the jar before you
install them in the jar. The fitting nut on the inside of the jar
must be tighten very carefully or the jar will crack.
Use a silicone sealer not affected by gasoline, as a sealer. The
jar MUST be air tight. It may be necessary to enlarge the holes in
the washers to provide clearance for the compression fitting. To
use 1/4" copper tubing in a 3/8" compression fitting, solder a 2
inch piece of 3/8 tubing on the end of the 1/4 copper tubing, that
fits into the 3/8" fitting.
Install a 3/8" compression fitting in the lid of the jar. If the
jar lid is made of thin material, it may be necessary to use fender
washers on both sides of the lid as reinforcement.
The spherical or domed shaped object (A), is mounted so that the jet
of gasoline sprayed out of the nozzle (D), hits the exact center of
the dome. A 5/8 " carriage bolt or a stainless steel teaspoon, are
ideally shaped. The idea here is, to create as large and thin sheet
of gasoline as possible, so the vacuum will rip it apart.
However, be careful not to make it so large that raw gas is sucked
into the vapor supply line to the carburetor. (A teaspoon is
suggested after seeing the large thin sheet of water that was
created by holding the spoon beneath a kitchen faucet.)
The teaspoon can be mounted by bending the handle, so that the wide
part of the handle can be supported by the nozzle compression
fitting. Some experimenting may have to be done, to determine the
optimum position of the spoon. Drill a hole in the handle of the
teaspoon, to mount the spoon on the supply nozzle, compression
fitting.
The vapor supply line to the engine (E), is a 3/8 or 5/16 line,
connected to the carburetor or to a plate beneath the carburetor or
in the case of a fuel injected engine, in the main engine air
intake. Before a connection is made to any of these points, the
following information must be considered:
o Ideally, a device such as this, should be usable while idling,
slow speed while in traffic and high speed cruising. It should
Page 3
also provide enough vapors during acceleration. However, this
will be the most difficult to achieve without supplementary help,
when using vapor.
o When accelerating, engine vacuum is low, and will not be enough
to change the liquid gasoline into vapor. Vacuum will be high
when idling and decelerating.
o A vacuum will always be produced, except while idling, when the
vapor supply tube is placed in the fast moving, engine intake
air. Vapor will be sucked out of the container exactly the way
paint is sucked up, in a siphon spray gun.
o The outlet of the 3/8" pipe that brings in the vapors, must be
positioned in a fast moving air stream to draw out the vapors.
The best spot on a carburetor, is directly in the middle of the
ventura. However this is now occupied by the jets. On a fuel
injected engine, the vapor line should be placed in the main
engine air intake.
On both the carbureted and fuel injected engine, the vapor intake
tube should be no less than 3/8 inch diameter and the end cut to
a 45 degree angle. The best of all areas of performance: start
up, idling and cruising, can be obtained by removing the entire
jet assembly out of the ventura of the carburetor, and leaving
the accelerator pump and jet, and the idling jets. Connect fuel
lines to both the container and the existing carburetor, using a
compression T fitting.
Gasoline will be required by the carburetor only, when idling and
accelerating. Seal the holes left by the removal of the jets,
with an epoxy sealer, such as JB Weld. Locate and drill a new
hole for insertion of the vapor supply tube in the exact middle
of the main ventura. Install a 3/8 inch brass compression
fitting in the hole drilled into the ventura. This will allow
the vapor pipe to be moved in and out, for the optimum position.
Position the 45 degree cut tip, exactly in the middle of the
ventura.
If you decide not to modify the carburetor, and use a plate
beneath the carburetor to bring the vapors into the engine, keep
in mind that maximum vacuum will occur when idling, and
decelerating, while the carburetor butterflys are closed. Vacuum
will drop drastically when accelerating, and performance will
suffer.
On the fuel injected engine, locate a spot in the engine air
intake where the air is moving the fastest. The vapor supply
tube is installed at that point. On computer controlled, fuel
injected engines, when engine vacuum is low, the fuel injector
will provide the raw gasoline for acceleration. This is
accomplished automatically by the engine computer.
When vacuum is low, and insufficient vapor is fed into the
engine, the engine Oxygen sensor will sense the lean fuel
mixture. The computer turns on the fuel flow to the injectors to
overcome the lean fuel mixture. When the engine vacuum is again
high, vapors will be produced. When the Oxygen sensor senses the
rich mixture as a result of both vapors and the injectors
Page 4
providing fuel to the cylinders, the engine computer will reduce
the fuel flow to the injectors, until the raw gasoline is turned
completely off.
o Install a small valve in the 1/4 inch drain line, to make
adjustments.
o Locate the container as close to the carburetor or vapor input to
engine, as possible. Locate the container slightly lower than
the vapor entrance point on the carburetor or intake manifold of
fuel injected engines, to reduce the chance of liquid gasoline
from getting into the engine. Keep the vapor supply line as
short as possible.
Turn Up
Connect the fuel line from the fuel pump, to both the
carburetor/fuel injectors and the vaporizer container. Install a
valve in the gasoline supply line to the carburetor. Now for the
most difficult part:
Start the engine. Adjust the vapor supply line in and out of
the carburetor or intake manifold, for maximum vapor
production.
The very volatile gasoline vapors, will resemble light gray
smoke. Adjust the drain line, so that gasoline just covers the
bottom of the container.
A small amount will be needed to make maximum vacuum in the
chamber. The weight of the liquid gasoline in the bottom of the
vaporizer and the drain line, acts similar to a one way check
valve. If gasoline begins to build up in the container, open
the valve accordingly.
On the carbureted engine, when the engine begins to stumble
and produce black smoke indicating it is too rich, slowly shut
off the liquid gasoline flow to carburetor.
If everything is right, the vapor chamber will be producing
enough vapors to keep the engine running. Drive the car and
insure that enough vapors are being generated while the engine
is running at higher speeds. Decelerate, and insure that raw
gasoline is not building up in the container faster, than the
drain line can handle.
This will require making several adjustments to both the supply
nozzle and the drain line, before a balance is achieved.
Hopefully, you now understand the basic principle behind this
device. Once you have understood the theory and operation of the
device, and know what adjustments are made, the glass jar can be
replaced by a metal container, which is considerably safer.
Additional Information that may be helpful:
1) Some brands of gasoline will vaporize easier than others.
2) Summer gasolines have additives included, to restrict
evaporation. Winter gasolines have little if any, additives.
Page 5
3) Evaporation may be enhanced and the effective power of the
gasoline increased, by installing a charcoal filter on the
output of the fuel pump. The charcoal removes most of the
additives, paraffins and varnishes, found in the gasoline.
4) Use a paper filter on the output of the charcoal filter to
prevent minute particles of carbon from getting into the
injector or the carburetor. Only activated charcoal will do.
Whole house charcoal water filters, will do the job.
Eventually, the charcoal will become saturated with all of the
garbage it has removed. Replace when a reduction in performance is
noticed or 5000 miles.
A great carburetor cleaner or fuel injector cleaner, can be made by
adding 1 ounce of Naptha (found at paint stores), to one gallon of
gas.
Octane can be boosted by adding 1 ounce of Isopropyl alcohol and 1
ounce of Methanol, to a gallon of gasoline. Check drug stores and
paint stores.
....Later....
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If you have comments or other information relating to such topics
as this paper covers, please upload to KeelyNet or send to the
Vangard Sciences address as listed on the first page.
Thank you for your consideration, interest and support.
Jerry W. Decker.........Ron Barker...........Chuck Henderson
Vangard Sciences/KeelyNet
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If we can be of service, you may contact
Jerry at (214) 324-8741 or Ron at (214) 242-9346
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