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You are here: > News > May 12, 2006

Gravity Test Motor Might Work as Magnet Motor Platform

Replication variant of Tom Ferko's gravity motor with magnet assist design turns out to not self-rotate.  However, the dynamics of motion near the fulcrum point provide interesting possibilities for a possible magnet motor application.

by Ken Hegemann

by Sterling D. Allan
Pure Energy Systems News
Copyright © 2006

ESCONDIDO, CALIFORNIA, USA -- In his professional life, mechanical engineer Ken Hegemann specializes in designing and manufacturing what clinical studies have shown to be the best toothbrush in the world. (Ref1 | 2) After 19 years of prototyping, the automatic HydraBrush is now available in the market, and was recently featured in Popular Mechanics. (Ref.)  It won the Frost & Sullivan 2005 Dental Product of the Year award. (Ref.)

On the side, Ken likes to tinker with free energy designs.  He is enthralled by the idea of harnessing the wheelwork of nature in new ways.

For around a year, I featured an image of his Bowman Magnetic Motor replication on the home page of our corporate site. (Ref.)

Bowman Permanent Magnet Motor
by Ken Hegemann

This past Monday, he flew me out to see his latest creation -- a replication of the Andy Gravity Motor with Magnet Assist, presented by Tom Ferko a couple of weeks ago. (Ref.) Tom said that he had a working prototype of the motor, but destroyed it in a fit of paranoia.

Image:Andymotor3 crop 433w.jpg
Andy Gravity Motor with Magnet Assist
concept drawing by Eric Vogels

Image:Andy Motor animated by Jim Ross.gif
Andy Gravity Motor with Magnet Assist animation by Jim Ross

I thought I was going to be seeing something that was working.  I apparently misunderstood his purposes for having me come view his device. Considering his expertise, and the craftsmanship he puts into his work, it was still worth the trip to be able to see what I saw and learn what I learned.  Besides, he paid for the trip, and he gave me three of his automatic toothbrushes.

Ken Hegemann works out some math on an experiment we ran on his motor.

In his replica, he increases the fulcrum ratio to 1 : 5.6, and instead of using magnet cylinders on the inside of a metal drum, he used weights guided by bearings in an off-set, circular cam track. He used expensive lineal slides with ball bearings on the eight weight tracks, each costing about $125.  The motor has very little friction.

To verify that there was no gravity effect in play here, and that the balance was a net zero, we ran an experiment in which he got the motor spinning at a set rpm, using a tachometer, then would let it coast to a stop, while I timed the deceleration.  We repeated this three times for forward and backward motion at 70 rpm and 100 rpm.  The averages for forward and reverse motion were statistically the same. For example, the average time it took to stop from 100 rpm was ~29 seconds.

Magnet Motor Application?

The thing that had Ken intrigued, and which caught my attention as well, was the action of the weights as they came into the center of the cycle.  The way they twisted in relation to each other resembled a carnival ride.  Ken thought that maybe this action could be put to work in creating a magnet motor, which harnesses not-yet-understood properties of magnetism to provide net motive force.  See video close-up of near inside apex.

Following a set of four 5-lb. weights as they travel through the center of the fulcrum

Over lunch, we theorized about the possibilities.  "If pure magnetic power can be harnessed in a motor, then there are bound to be a near-infinite number of ways that could be employed to do so, some more efficient and cost-effective than others.  This mechanism is likely to provide one of those methods."

Back at his shop, he took a couple of washer-shaped neodymium magnets and placed them onto two of the weights, opposite poles facing, and we watched their action as they rotated through the center portion of the cycle.  It was easy to imagine an attraction followed by the magnets being brought out of position to avoid the repulsion phase.  Even in this little experiment, the magnets pulling between the two weights caused the motor to advance, but the proximity of the magnets then caused them to shift/slip on the weights.

Two neodymium flat magnets shown in two frames of movement on the weights.

I then taped some smaller magnets in place, but they were not strong enough to pull the weights together, as the larger magnets had.

Ken and I also brainstormed what possibilities could be pursued if gear mechanisms were added to change the angles of interaction of the weights as they cycle through.

"When the weights are moving toward the 9 o'clock (closest approach) level, they are coming together.  During that phase, magnets could be positioned to be attracting.  Then past the 9 o'clock level, the weights begin to move apart, during which phase, magnetic repulsion could be used to propel the motor.  A geared timing device could rotate the weights to cause the same magnets that attract before the 9 o'clock position to repel after the 9 o'clock position."

"I would love to see people to start working on this," Ken said.  "There are thousands of different ways to place magnets to test this theory, to achieve a working magnet motor and then to optimize its function."  That is why he flew me out to see it.

One thing he would recommend doing different in the design, when employing magnets, would be to have two parallel spokes radiating from the same axel, for stability, rather than just one in the middle.

It may be that the result of using magnetic forces in these various mechanisms may yield a net of zero usable force.  However, Ken was excited enough about the possibilities that he flew me out to California to see what he was seeing.

# # #


Videos of Ken Hegemann's Eccentric Varying Fulcrum Motor
(Thanks Stefan Hartmann of for file compression)

Assembly Drawings

Partial Assembly Drawing

(Solid Works files by Ken)


Ken Hegemann <kenh2k {at} >

Oralbotic Research, Inc.
701 S Andreasen Dr.; Suite C
Escondido, CA 92029

Ph 760-743-5160; Fax 760-743-5166

Ken Hegemann with his Eccentric Varying Fulcrum Motor; May 8, 2006

See also

Page composed by Sterling D. Allan May 10, 2006
Last updated December 24, 2014





"It is harder to crack a prejudice than an atom." // "I'd rather be an optimist and a fool than a pessimist and right." -- Albert Einstein

ADVISORY: With any technology, you take a high risk to invest significant time or money unless (1) independent testing has thoroughly corroborated the technology, (2) the group involved has intellectual rights to the technology, and (3) the group has the ability to make a success of the endeavor.
All truth passes through three stages:
   First, it is ridiculed;
   Second, it is violently opposed; and
   Third, it is accepted as self-evident.

-- Arthur Schopenhauer (1788-1860)

    "When you're one step ahead
of the crowd you're a genius.
When you're two steps ahead,
you're a crackpot."

-- Rabbi Shlomo Riskin, (Feb. 1998)

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