The attached article SAYS THE DEVICE HAS BEEN PATENTED!!! (around 1920)
This is from the BBS files on Hubbard that is not currently posted on
the website but is in the archives under energy.
280 volts X 125 amps = 35,000 Watts
One Horsepower = 746 Watts
35,000 Watts / 746 Watts = 46.917 Horsepower
(he says it was equivalent to 45 horsepower)
It says a 35 HP motor was used.
The power coil was 11 inches in diameter and 14 inches long.
Current from the coil is pulsating.
Electric motor was rewound and was 12 inches in diameter and 18 inches
in length.
Boat travelled at 8 to 10 knots.
Motor speed was approximately 3500 knots when free-running.
Motor and power coil wiring is complex and involved to get the phasing
right so the motor spins in the correct direction....ie. indicating it
is not a simple two or three wire arrangement.
Motor could not run for extended periods without overheating.
Wattage was never measured accurately with electronic instruments.
One central coil with 8 smaller coils (each with a primary and
secondary). The trick is in starting the unit. Other reports indicate
he had a capacitor with a soft spot that he would squeeze, that he could
feel some kind of surge or inrush of current into the capacitor and
would setup a milking rhythm that would feed the coil and once started
it would continue as long as the wavetrain was continuous.
Here is the article from the BBS;
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THE POST-INTELLIGENCER
Seattle, Washington, Thursday, July 29, 1920
Hubbard Coil Runs Boat On Portage Bay Ten Knots An Hour; Auto Test Next
Seattle Boy Inventor Makes Good His Claims of Last December When He
Announced Discovery to P.I.
HUBBARD'S CLAIMS
If young Hubbard's claims are correct regarding the newest coil he has
perfected, and which propelled a boat yesterday, these are a few of the
things the coil would do without cost other than the initial outlay of
$90.00:
1 - Drive a large touring car at normal speed.
2 - Illuminate a moderate-sized office building.
3 - Furnish current for lighting, cooking, and heating for a large
residence
4 - Heat seven two room apartments.
Alfred M. Hubbard, Seattle boy inventor of a device which for want of a
better name he terms an atmospheric power generator, yesterday made good
his prediction that he would drive a motorboat with the apparatus as a
source of power.
An eighteen foot boat, propelled by a thirty-five-horse power electric
motor, which obtained its current from the Hubbard coil, was driven
about Portage Bay on Lake Union.
Among those who witnessed the demonstration was a well-known local
capitalist, the inventor's father, William H. Hubbard, and a Post
Intelligencer reporter.
The boat traveled at a speed of between eight and ten knots--silently,
except for the whirring of a chain belt which connected the motor with
the propeller shaft.
When the chain belt was removed, the motor ran free at a speed estimated
at 3,500 revolutions [the rest of this line is unreadable R.L.R.]
No Hidden Wires Found.
To guard against the possibility of ordinary storage batteries concealed
about the boat as a power source, instead of the Hubbard coil, both
electric motor and coil were lifted free from their blocks, but no
hidden wiring was revealed.
The coil used as a power unit was eleven inches in diameter and fourteen
inches in length.
According to Hubbard, tests of the coil show a current of 280 amperes
and 125 volts, which, he pointed out was equivalent to approximately
forty-five horse power, or sufficient to drive an automobile.
The current is pulsating.
The electric motor was approximately twelve inches in diameter eighteen
inches in length. It had been reconstructed in order to be used with
the Hubbard coil.
After his ride in the strange powered craft the capitalist declared that
he was frankly puzzled, but that he desired an electrical engineer in
his employ to make an examination of the coil before he felt free to
discuss it.
Since last December, when the Post-Intelligencer first made public the
claims of the youthful inventor, he has been more or less in retirement,
perfecting his coil. He took up his residence in Everett where, with
the assistance of Everett backers he worked on his device.
A local capitalist agreed to witness a demonstration of the coil to
determine its practicability as a power source. The motorboat was
fitted with blocks on which to rest the motor and the propeller shaft
geared for a chained belt.
When the motor was first tried out after its installation in the boat it
ran backwards. So involved are the connections between the motor and
the coil that fully a half-hour's experimentation was necessary before
the motor shaft revolved in the right direction.
That the capitalist was frankly skeptical of the device was plain when
he, with two other passengers, boarded the boat at the Seattle Yacht
Club wharf.
All the machinery that was visible was the coil and the motor, the
latter plainly geared to the propeller shaft. The boat shoved off,
Hubbard threw the switch, and instantly the boat began to pick up speed.
It circled about the bay and returned to the wharf, with never a
slackening of speed. The wires connecting coil and motor had begun to
heat under the excessive current, and, fearing that some part of the
coil might give way under the extra heavy strain put on it, Hubbard
declined to permit the motor to be run continuously for any length of
time.
It was tried out later several times, after brief periods which allowed
the wires to cool, and its power apparently showed no diminution. No
instruments were used to test its wattage.
The capitalist admitted that the demonstration intrigued his interest,
but that he would wait for his expert's opinion before discussing it.
Following the demonstration, the young inventor declared that within a
few days he expected to drive an automobile with the coil as a power
unit.
The Coil used yesterday had been built especially for the demonstration,
and is nearly twice the size of the coil Hubbard used in his
demonstration last winter.
The large coil cost approximately $90 to construct. The inventor
says that so far as he has been able to learn its life as a power unit
is indefinite.
He declared that a coil large enough to drive an airplane would be no
more than three times the size of the coil used yesterday, and that a
machine thus equipped could fly around the world without stopping, so
far as the power supply is concerned.
While the device has been patented, the claims for it are so broad that
Hubbard says he does not feel safe in making public his secret. In
general, he says, it is made up of a group of eight electro-magnets,
each with primary and secondary windings of copper wire, which are
arranged around a large steel core. The core likewise has a single
winding.
A coil thus constructed, he says, is lifeless until given an initial
impulse. This is done by connecting the ends of its windings for a
fraction of a second to an ordinary [two words unreadable R.L.R.] -ing
circuit, he says.
The manner of this momentary charging, however, constitutes the
principal secret of the device, according to the inventor, who says that
while machinists have built a number of coils for him under his
direction, they have been unable to "start" them.
In the event the power of the coil should diminish, it can be
rejuvenated in less than a second, Hubbard says.
---------
Photo captions
1 -- Arrangement of Hubbard coil and motor in boat. The motor is
nearest the bow.
2 -- Alfred M. Hubbard, inventor of the coil used as a power unit.
3 -- The boat under way, driven by a motor which obtained its power from
the Hubbard coil.
------------
Photos by Walter P. Miller, Post-Intelligencer Staff Photographer.
------------
Taken from the Vanguard Sciences Roundtable newsletter (VSRTOCT.95);
On another note, got a call from Mark Hendershott last night, son of
Lester Hendershott. A couple of months before the Tesla conference,
someone posted a note on KeelyNet email saying they heard Mark on a
local radio interview where he claimed to have duplicated his fathers'
device and would be demonstrating it at the 1995 International Tesla
Society conference.
A later call from Don Smith down in Houston indicated Mark could not
make the ITS, so Don had been called as a backup speaker.
Mark says he never realized there was so much interest in his fathers
work and has only begun to study what all has been written, some of
which is in error.
One particular point was that the Borderlands book on Hendershott
specifies 24 turns on the top coil, when in fact, it should be two coils
of 12 turns. If you will recall, the Hendershott device used a
basketweave coil as is found on early 1900 radio receivers.
Ed Skilling promoted the use of these basketweave coils in Hendershott
circuits several years back but he has kind of gone away after being
captured on a hidden camera at a New York health conference, making the
outright claim that he could CURE cancer. Having met Ed on several
occasions, I personally think he is an excellent electronics man and has
worked with both Bob Beck and Jerry Friedenstine in the field of
advanced radionics.
When Puharich's Teslar watches were the rage, Ed figured out a circuit
that would measure the 7.8 cycles per second emitted by these watches.
The idea was the earth's atmospheric cavity resonated at 7.8 cps and
that we are isolated from such earth frequencies by living in a
synthetic environment.
The watches have an oscillator that is tuned to the 7.8 cps and
broadcast this frequency as a scalar field through an internal Faraday
cage. Since the Faraday cage suppresses electromagnetic energies, you
could not get a signal from the watches that could be measured. Not to
mention that electronic devices have a very hard time getting a sample
at such very low frequencies.
So, Ed had developed a box with a plate on it and and LED display that
constantly changed. When you put your watch on the plate, it would
detect the scalar signal and display the frequency on the readout. I
was impressed with the unit and Ed and I began discussing it. He was
very proud of it for two reasons, first that the circuit could sense not
only the 'scalar' signal but also derive the frequency.
Skilling's technique was quite novel and took advantage of a circuit
known as a PLL (phase locked loop) in its multiplier mode. An incoming
frequency would have positive and negative transitions that would remain
relatively stable over the length of the half cycle, no matter how long
the wave. So the PLL was adjusted to pick up the zero crossing points
(when the signal went from negative to positive and back again) and
multiply them by 200 to get a useable frequency for CMOS or TTL
circuits. It was a marvelous and useful circuit.
(A few years later, when we had Puharich in Dallas, some of us techies
were discussing other ways this signal could be detected.....a fellow
calling himself Golden Hawk said he had placed a PENNY on the watch face
and hooked an oscilloscope probe to the penny, the signal came through
loud and clear! We believe there might be some kind of capacitive field
(the pure electric wave) which was intercepted by the coin in close
proximity to the antenna, maybe even a feedback/reflection from the coin
to the Faraday cage...anyway, it was neat, simple and clean and needs to
be shared.)
Back to Hendershott, Mark says he has a book that he sells for $29.95
and might soon have a video showing how to construct the coils. Once he
realized there was such an interest, he began contacting all the
relatives and soliciting pieces of his fathers work, papers, components,
memorabilia, so that it would not be lost through dispersion. This
happens more than enough to researchers who die and fail to donate their
materials to a stable group who will do something useful with them
besides landfill. The Franklin Institute is one such institution and
the ITS is also trying to achieve that kind of stability.
We desparately need some kind of perpetual, non-profit oriented
organization not only to serve as an archive, but also to promote and
educate alternative thought and experiments in science. That is what
the Vanguard Sciences Research Center is all about, but not many people
can see the bigger picture, especially philanthropist/investors, with
all its implications, so to date, we have no solid leads on funding.
If you might be interested in learning what is available with the
Hendershott coil, you can contact Mark directly at his home. He also
needs advice and counsel on how best to get some kind of income to fund
his own experiments with his fathers circuit designs. Although he has
several files which he found of interest, we will be sending him other
information which directly correlates with his fathers work. Tell him
KeelyNet sent you....
Mark Hendershott
15221 342nd Ave. NE
Duvall, WA 98019
Home/FAX (206) 788-5486
-- Jerry Wayne Decker / jdecker@keelynet.com http://keelynet.com / "From an Art to a Science" Voice : (214) 324-8741 / FAX : (214) 324-3501 KeelyNet - PO BOX 870716 - Mesquite - Republic of Texas - 75187