The following may help understanding:

Bob Cook
From: Axil Axil<>
Sent: Monday, July 24, 2017 12:05 PM
To: vortex-l<>
Subject: Re: [Vo]:The Papp engine and cavitation

·        One of the big mysteries of the Papp engine is understanding the Papp 
engine fuel preparation device. What does that device do and why is it 
important to the function of the Papp engine? All the Papp engine replicators 
have discounted the need to use this fuel prep device and try to get the Papp 
engine to work without prepared fuel. Papp knew that prepared fuel was 
critically important to getting the engine to work. Three months before his 
death in 1989, Papp destroyed all the fuel he had prepared so that no one could 
ever get his engine to work ever again. The engine laid useless inside his 
workshop. That engine was his alone forever and could never be shared with the 

The cavitation theory of the Papp engine provides the reason why fuel 
preparation is essential. A intense shock wave is required to form the ultra 
dense crystal nature of the fuel in the alternate paired cylinder. Without that 
shockwave, active fuel cannot be formed. The fuel preparation device produced 
ultra dense water and latter in the fuel to act as a bootstrap or initial 
plasma shock wave so that cavitation could occur in the paired cylinder. 
Without that first shock wave, recurring fuel formation does not begin in the 
alternate cylinder when the compression of the water vapor/gas is underway.

Papp used this prepared fuel to disintegrate a 5/8 inch stainless steel pipe 
when he demoed his Papp common in the desert.


On Sun, Jul 23, 2017 at 5:27 PM, Axil Axil 
<<>> wrote:
I am beginning to understand that the Papp engine was a cavitation based device.

In the 1960's Papp used water for his fuel. Papp must have produced water 
crystals in the compression part of the cylinder cycle where the volume of the 
cylinder was decreasing. During this increasing pressure environment inside the 
cylinder, cavitation bubbles must have formed thereby producing ultra dense 
water crystals.

For example, some larger diesel engines suffer from cavitation due to high 
compression and undersized cylinder walls. Vibrations of the cylinder wall 
induce alternating low and high pressure in the coolant against the cylinder 
wall. The result is pitting of the cylinder wall, which will eventually let 
cooling fluid leak into the cylinder and combustion gases to leak into the 

To stop the cavitation based erosion of the cylinder walls and the subsequent 
loss of compression over time, Papp went to noble gases which produce ultra 
dense noble gas crystals during the compression stage of the cylinder cycle but 
the formation of ultra dense noble gas crystals did not damage the cylinder 

When Papp fired a spark, the ultra dense noble gas crystals exploded as happens 
in the Holmlid experiment when the ultra dense hydrogen cycltals produce atomic 
particle fragments that move outward at 3/4 the speed of light. Currently, 
Holmlid does not capture that huge amount of energy inherent to his expanding 

To utilize the energy in the expanding plasma, Holmlid might capture that 
nuclear powered expanding plasma as Papp once did in an engine design using 
ultra dense hydrogen as fuel.

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