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OS: F. M. Chalkalis Gravity Wheel

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Image:F-M-Chalkalis gravity device 300.jpg

An Open Source Project

by Congress:Founder:Sterling D. Allan

Pure Energy Systems News

July 9, 2010

"After 28 years of hard work, many disappointments, personal expenses, and the valuable help of my son in the last couple of years" Grecian inventor, F. M. Chalkalis is open sourcing a motor design that allegedly can harness the power of "gravity, centrifugal power, the lever, the flywheel, etc."

Though large and bulky, the design is "unbelievably simple -- so simple that many people could build it on their own." The two connected weights near the periphery are accelerated by two motorized bicycle wheels as they pass the 1-O'clock position.

On June 26, 2010, he posted a video at YouTube showing his device in operation and he posted a blog site giving the particulars of how to replicate his motor. I don't know if there are any replications yet, but we'll certainly update our page here if we learn of one, successful or not.

He claims that the mechanism multiplies kinetic energy by around ten-fold. However, EnergeticForum member, Ted Ewert points out that this is based on an assumption of a balanced wheel, not of an unbalanced, pendulum-like wheel, which is the case here. Ewert has shown tremendous interest and insight for this project. My guess is that the math done properly (not simple) for this system is likely to show a negative net gain due to friction, which will be born out by accurate measurement and replication attempts. If it so happens that I'm wrong, and this is a true free energy design, then my guess is that it works because it uses some of the same principles of Directory:Milkovic Two-Stage Mechanical Oscillator described by Milkovic. I would also guess that this device would work optimally at lower speeds, because of centripetal forces that take over at higher speeds not to mention the mechanical stress that an unbalanced system like this would impose, which also presents physical dangers and noise problems.

: "This innovation is donated to humanity and I’m hoping for your help to make it known and useful to all." -- F.M.Chalkalis

Chalkalis said he has not yet been able to loop the output power into the input, but he is confident that someone with the proper skills and materials could do this. EnergeticForum member, Matthew Jones estimates that the cost to make an exact replica would be somewhere around 900 dollars.

In reciprocation for Chalkalis' generosity in giving this away, I strongly urge anyone who is able to be successful with this design or its propagation return that generosity and share any financial benefit with Chalkalis. Royalties typically run in the range of 3 and 10 percent. Do the honorable thing.

But before you launch into replicating, I suggest you read the There was an error working with the wiki: Code[1] we received from Peter Lindemann.

Official Websites - official YouTube channel




(YouTube / Chalkalis June 26, 2010)



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Image:Chalkalis parts full 300h.gif

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Image:Chalkalis SYSTEM full 300h.gif
General Construction Description

quoting from

Two metal blades 1.12m long are connected on an axis in an angle of 60° forming an equilateral triangle.

On each metal blade at a 510mm distance from the axis, there is the center of an aerodynamic shape lead disk. (2 equal disks of 45,69kg total weight.)

The rest 610mm of the metal blade, calculating from the center of each disk, work as a lever.

The metal blades at the length of 1,12m are connected with each other by a tube filled with lead, weighing 4,5kg which increases the total power and which is also part of the halting system.

Following the principles of free fall and centrifugal force the disks cover the 92% of a full rotation.

For instance in order to complete a full rotation from point “zero” (12 o’clock) of a 50kg weight thanks to the lever only 5kg of force is needed.

The transmission of motion to the rotating weight is achieved with 2 wheels similar to the baseball throwing mechanism.

The wheels weigh 15kg which corresponds to the 30% of the rotating weight and they function as flywheels.

Functional Description

partial quotation from

At the prototype we use electric energy from a 24v battery to power on the motors (wheels) and then the initial motion is given by hand.

Between the battery and the motors is placed a speed regulator.


quoting from, where this section was called "Comments"

All the pre-mentioned data are according to the existing prototype and can be augmented

# With specialized materials

# By increasing the parameters Weight, arm length, lever length and rotations per minute.

# By placing the mechanism underground where the air resistance is less and furthermore it is safer as accidents are avoided.

# The base and the elastics used to absorb vibrations must be reinforced as they are under a lot of pressure. e.g.: At 300 RPM x 50 kg = 15000 kg /min which means 900 tons per hour.

These results are indicative of the space I am working at and they increase if the RPM increase.

Guidance from Ted Ewart

EnergeticForum member, Ted Ewert wrote:

: "This mechanism relies on the combined energy of gravity and the pulse motor to generate velocity. Kinetic energy is a product of V squared times mass / 2. It's the velocity squared part which is the gain in this mechanism. If you take that same pulse motor and put it 180 degrees on the other side of the arc, I'll bet it wouldn't work. This is because the pendulum has to gain speed in order to gain kinetic energy, and apparently this happens best on the downward stroke. 'This could be problematic for energy generation. ' Since the pendulum has to be able to accelerate, putting a load on it for 360 degrees of rotation might prevent that from happening efficiently. 'Pulling energy out of the system may have to be done for only part of the cycle', perhaps right after peak velocity is attained. This could be accomplished with some magnets on the pendulum and some generator coils mounted below. It could also transfer some of it's kinetic energy to a flywheel with a generator attached."

Ewart also wrote:

: "The pendulum has to freewheel until the bottom of the stroke. This principal can certainly be scaled down. The only problem with making a smaller replication is that the power is more difficult to extract efficiently. If anyone builds one I would recommend bolting the frame to a concrete floor. A heavy pendulum spinning like that generates huge loads on the frame, which requires heavy construction.

I like the motor / generator concept for propulsion and generation. It's simple and easy to move around and modify, and more efficient than a motor turning a set of wheels. If the magnets are placed at the end of the pendulum, the velocity of the lever can be used to generate higher a voltage, and more power. The load on the generator coils can also be adjusted for maximum draw without slowing the pendulum down too much. I wish I had some free time right now to build one."

And Ewart wrote:

: "In order to function properly, this device relies on the pendulum going through two periods in each revolution: one of acceleration and one of deceleration. It has to do both. From the top of the arc, the pendulum begins to fall and accelerate. When it hits the motor, that rate of acceleration is increased. For the rest of the arc down to the bottom the pendulum is further accelerated by gravity. At the bottom of the arc the pendulum has a certain velocity and a certain amount of kinetic energy. These two quantities are much higher due to the extra velocity imparted by the motor.

As velocity doubles, kinetic energy quadruples. The addition of a small amount of energy at the start of the down swing contributes to a large increase in the kinetic energy at the bottom of the arc. It's like being on a swing. At the top of the arc we add some energy to the pendulum by leaning out and away from the axis point. This increases the velocity on the downward arc and propels us higher on the upward side. Notice we don't add energy on the upward stroke, where it would do little good. This mechanism works the same way. If we add a constant drag on the axle, it would restrict the acceleration phase of the cycle, rendering the mechanism dysfunctional. The pendulum HAS to be free to accelerate or it won't work."

Ewart provided the following diagram to illustrate what he proposes for mechanically looping the system.

Image:Chalkalis loop concept bf2.gif

And here's another comment from him:

: I don't know that anyone really understands why this mechanism works the way it does, so trying new configurations is pretty much shooting in the dark. With something like this I would try and replicate the original as closely as possible and get it working first, then I'd try different configurations.

: I keep thinking about the slingshot effect that NASA uses to propel their spacecraft to the outer reaches or our solar system. Unless that technique was over unity it just wouldn't work. A pendulum which is dropped from a certain height never quite reaches the same height on the other side of the fulcrum. Gravity normally doesn't give back more than it takes. Yet a spacecraft enters the gravitational field of a planet, descends toward the planet surface in an arc, and then exits the gravitational field with a higher velocity than it entered with! What is the difference between the pendulum and the spacecraft? The spacecraft had prior velocity and the pendulum didn't. This tells us that a mass with velocity in a rotational system can be pulsed with X amount of energy and it will develop (initial KE) + X + (more KE).

: The optimal configuration to fully exploit this phenomenon is still to be determined. Nevertheless, it appears to be a legitimate source of free mechanical energy which should be explored further. I'm certainly going to start building a replica once I get my motor working a little better. I have some ideas on an efficient propulsion mechanism that I want to try anyway.

citfta replied:

: I have never studied space craft flight that closely, but I think the sling shot effect is only helpful because of the orbit of the planet around the sun. In other words the velocity of the planet moving around the sun helps to increase the actual velocity of the space craft as it sling shots around the planet. If the planet were a stationary object then I don't think we would see much effect from the sling shot around it. Of course there are no truly stationary objects anywhere are there."

Comment by Sepp Hasslberger:

As the machine works at the moment, we have no way to tell whether it has an actual output superior to the input or whether the kinetic energy the machine exhibits is simply due to accumulation of energy from successive rotations, each rotation receiving a "push" from the electric motor and drive wheels. So my comment on the blog of the inventor was as follows:

: "I agree with François here. In order to derive useful work from this machine, a way needs to be found to use some of that kinetic energy without degrading the velocity of rotation.

: A simple way of proving the concept would be to add an outer ring to the apparatus, which can act as the rotor of an electromagnetic generator. That ring would have to be studded with magnets, which could be energizing one or more coils to produce electric current.

: If the electric current out is substantially more than the current used to drive the acceleration wheels, you'd have a workable thing.

: So to be clear. If the apparatus currently has a diameter of 4 meters, adding a ring at half a meter distance from the current perimeter would give you a "generator ring" of 5 meters diameter. That generator ring, suitably configured with magnets, could be used to draw electric energy directly from the rotation of the apparatus, thus allowing a comparison between electrical input and electrical output."


list here

In the News

Image:F-M-Chalkalis gravity device 95x95.jpg
Latest / There was an error working with the wiki: Code[1] > OS: F. M. Chalkalis Gravity Wheel - Greek inventor, F. M. Chalkalis, after 28 years of development, says he is now giving away his design for a gravity motor that he says generates ten times more power than is required to maintain it or is that a math error? Several people look interested in replicating the design, which looks relatively simple, but won't be cheap. (PESWiki July 9, 2010)


EnergeticForum – thread commenced by Ashtweth of Panacea on July 8, 2010.


In Comparison to Other Gravity Systems

July 09, 2010 10:57 PM

I asked Directory:Peter Lindemann what he thought of the Chalkalis gravity wheel. Peter has one of the most well-known websites on free energy,, and has been a student of the work of Johann Bessler for years, so he keeps his eyes open for technologies that might possibly harness the power of gravity and centrifugal force.

As for Chalkalis' system, Peter said that the information and video's released so far do not demonstrate any energy production, other than the fact that the machine rotates. "If Chalkalis wishes to give his technology to society, it is up to him to show us what it is and what it can do. So far, he hasn't done this."

He told me that he has traveled to Serbia and visited with Veljko Milkovic and personally witnessed that his systems produce a "tremendous work gain" by creating a gravity assist. Unfortunately, Veljko's systems are quite difficult to "close the loop" mechanically and no one has successfully done it yet.

He also referred me to some work being done by the people at the Gravity Energy Corporation and their website at where they are also demonstrating energy gains in a system developed by Bruce Feltenberger.

"I'm a firm believer in the idea that gravity and centrifugal force can be harnessed to produce an energy gain" he said. "The question is, has Chalkalis accomplished this yet or not?" In the absence of a demonstration of the machine driving a useful load while the input energy is metered and shown, he would not want to encourage people to spend their time and money trying to replicate it yet.

He thought that Ted Ewert's comments were very good, saying "Ted is a great thinker and an excellent model builder. His analysis is very insightful." But he goes on to say "If Chalkalis has discovered something important, he hasn't shown us what it is yet. If the machine works, I hope he tells us more."


Mr. Chalkalis can be contacted through his YouTube channel.

See also


Directory:Gravity Motors

News:Gravity Motors

PowerPedia:Gravity motor

Directory:Secondary Oscillations - a primary pendulum swinging creates a secondary lever force that appears to be greater than the force required to keep the pendulum swinging.



Directory:RAR Energia Ltda Gravity Motor

Zeero Power

Directory:Alpha Omega Galaxy Freefall Generator (AOGFG)

Directory:Milkovic Two-Stage Mechanical Oscillator

OS: F. M. Chalkalis Gravity Wheel

Directory:Mikhail Dmitriev Gravity Wheel

There was an error working with the wiki: Code[1]

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