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You are here: > News > August 19, 2011

Part I: Overunity Heat Pump Turbine -- Context

Inventor, Kim Zorzi provides some background information about his Recirculating Air Turbine (RAT) system that apparently is able to harvest energy latent in air to provide 235 kilowatts of power in his present prototype that is now in production, with many improvements envisioned for next versions.

See Part II

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Preface by Sterling D. Allan  
Pure Energy Systems News

On Tuesday, inventor Kim Zorzi contacted me to ask about a page he posted at PESWiki a couple of years ago that he was having trouble finding again (which a quick Google search pulled right up, thanks Google). 

What is fascinating is what he said about what this technology can do, and how it's improved and where it is headed.

I asked him if he could write an article about it that we could post at PESN. He did. That is Part II of this series. This Part I shares with you excerpts of three emails he sent me during this correspondence. They help bring appreciation to what is being claimed. I've made a few slight edits. The third email was in response to my suggestion that his article would benefit from some illustrations or diagrams to help people visualize what he is saying. I also asked him to explain what the energy source is for his system. Is it augmenting power, consuming fuel, or creating power by harnessing it from the environment?

I've done a little editing (approved by Zorzi), and have added some relevant hyperlinks.

Email 1

From: Kim Zorzi <>
Sent: Tuesday, August 16, 2011 3:48 PM 
Subject: Rat Turbine generator 


This is Kim Zorzi with Ultralight America in Hempstead, Texas. 

You have an air engine generator that was posted on your website in 2009. This engine was completed and much testing was done before the engine was destroyed in 2010. It was a very powerful air engine design, but the crankshaft was just not strong enough to transfer the power; and ultimately the load bent it like a pretzel. But it was successful and it did run and produce electrical energy. 

The engine would run for 105 minutes, producing 40k watts. The Bauer compressor would take 132 minutes to refill all six tanks running off the power from the generator. 

But what I found out in my work was that I was using too much air pressure. By cutting off the air supply at mid stroke I could extend my range to 158 minutes whereby overrunning the compressor time 25 minutes. It now would become an over unity self-running system. These kind of system do exist and I have now seen it. 

But I now have a new design which is smaller, lighter, more powerful, and offers a shaft output power close to 235,000 watt (315 hp). It has been approved by a ME and EE engineering team. I am ready to post this new information. 

This new design is also based on the work of Victor Schauberger and incorporates a descending chamber system that is self super heated. The resulting pressure is therefore expanded and compressed at the same time to create a powerful air turbine design reaction engine. It is a non combustion system and falls into the green energy category easily. 
I would like to submit this new information into my page but can't find it. It may have been removed by now. 

Could you help me update this information?

Thank you, 

Email 2

Wednesday, August 17, 2011 10:37 AM 
Subject: Re: Rat Turbine generator 

Hello Sterling, 

Good to hear from you. Hope you are doing well. 

I have attached a word document with the write up of the new air turbine. You will find it will answer most all your questions. Much time has been devoted to this turbine in engineering and design. Sorry I cannot show you how the inside has been developed but that may be saved for a later date. 

In a continued development I have a rev 5 now in progress that will show a 285k watt shaft output power. It is smaller in design and is more compact, so fewer losses show up in the thermal dynamics. 

During the experimenting of the previous piston air engine design, I found that the electric heat reactors induced a much greater volume to the air engine than expected. Since the cylinders were becoming hot from the heated air flow from the heat reactors, the cylinders did not freeze over. Using a hand held temperature receiver gun, the cylinders showed a 125 degree f. over the course of its running time. The heat reactors, once heated to 450 degrees, heated the resulting steel container to the point the radiating heat from the metal alone could heat the incoming air for 15 minutes before turning on the power again. The incoming air continued to absorb the heat from the heat reactors long after the power was turned off. 

I bent the crankshaft of the piston engine because I injected water into the heat reactors at the maximum heat temperature. This caused a steam explosion in the heat reactor supplying the pressure to my 3-1/4 inch piston, and the resulting pressure from the piston bent the crankshaft. The piston air engine is no longer operational without a lot of work to fix the crankshaft. But the generator did produce the 40k watt output for a short period of time. 

Other changes to this system could have produced a better running unit with longer running times, but the funding was dropped once it was realized the 5 hp compressor could outrun the engine producing air faster than the engine actually used to create the electrical power. 

In my website under the heading of EDAV PROJECT PART 6, I do explain much more in detail how the over unity process actually happens. These figures are based on the actual performance of the air engine; and a full set of calculations have been developed to back up this statement.

I realized along time ago how the implosion motor by Victor Schauberger develops it power base. My engineer partner is of Austrian/German descent and graduated from the University of Graz in Austria. He understood the implosion aspects of Victor's machine; and my turbine, given enough speed, could cause the implosion effect to happen. 

But there is no need to develop this system further at this time into this energy state. My expanded knowledge will eventually lead me down this road at a later date. But to meet my purpose, my design now gives me what I need. 

You will also see in EDAV PART 7 that I am also working on electrostatic wings. Eventually I will marry my air turbine generator system to supply the motive power for this electric wing aircraft or UAV. Soon I will be thrust testing a larger wing design out of carbon fiber and spruce. 

Thanks for your time, sir, and hope to meet you some day. 


Email 3

Thursday, August 18, 2011 12:11 PM 
Subject: Re: Rat Turbine generator 

Hello Sterling, 

I will try to keep this simple. 

The supercharger is spun up by the axial flux dc motor. The AF dc motor gets its power from the battery reserve. The supercharger can supply up to 700 psi pressure at 6000 rpm. This pressure is the head pressure required to spin up the power turbine. As the power turbine begins to spin up it will energize the electrical coils that supply the electrical power to heat the chambers. The head pressured air entering the descending piston chambers is thus heated and compressed at the same time toward the periphery, creating the thrust to drive the power turbine. The batteries are later charged by the generator after the generator meets its power output. All exhausted pressure is directed back into the supercharger for re-compression, and is fed back into the head of the power turbine. 

So to answer your question, the fuel source is low pressure compressed air which is harvesting the humidity moisture from the environment and extracting this latent heat to provide power. The cylinder walls, when self heated and by the chosen materials, will contain the heat and radiate the heat into the fluid passing thru the chamber increasing the volume. Upon being further compressed at the periphery, more heat may be expected to come about, adding further expansion and pressure. Since we are only spinning at 1200 rpm to produce our maximum torque, the generator head has been designed to meet this rpm requirement. Higher rpms may produce implosion results, but I am not going there at this time. 

Picture of descending piston chambers. 

Although this design has changed several times to compliment the turbines engineering, it gets the basic idea across of what a descending piston chamber is. Using the mass of the radius helps us get the maximum torque output from the induce head pressure. By combining the mass of the radius along with the induced head pressure, and adding power introduced by the latent heat of water moisture injection, we will be able to obtain the 235k watt shaft power output. 

This is not a free energy machine by any means {EDITOR'S NOTE: It sure sounds like it to me}, but the cost for air or water is small, considering the cost for combustion based fuels. 

Here is a schematic produced earlier to justify the power output. 

I have a full detailed set of drawings and parts list already completed for the complete turbine and supercharger but do not want to disclose any more information at this time. 

Hope this helps. 

Thanks for everything.

# # #


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Page composed by Sterling D. Allan
Last updated September 04, 2012 




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