Hi
For those who have tried to replicate the xogen
patent this may be of interest.
Here are my test results that show the xogen claims
are true.

Time 21 minutes produced 137.5cc GAS.
Current = 0.1875 Amps
Hydrogen=91.3cc
Oxogen=45.7cc
By Faraday calcs for current 0.1875Amps @ 21 minutes =
Hydrogen = 27.7cc
Oxogen = 13.8 cc

Xogen claim 3 times more Gas.
This replication backs that claim up.

Best Regards Dave

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Hi Guys
I will try and answer all the questions.

Voltage across cell DC potential=2.4 volts+True RMS 1.5volts
=3.9 volts.
Watts = True RMS current =0.1875 Amps X 3.9 volts= .73125 Watts
Waveform across cell squarewave,Frequency=11.33Khz,Duty cycle
Mark=78% Space=22%.
Measurements made using Tek 547 scope and Hameg 203,
and a Racal True RMS Voltmeter.Good to 20 Mhz.
My self I don`t trust digital instruments.
The cell two tubes coaxial arrangment.
Stainless steel not sure of the grade,they are not magnetic
most likely 304 or 316.
The tubes were handles from a ss egg whisk and apple corer.
Dimensions are: inner tube OD 22mm, wall.25 mm,length 12.5cm
Outer tube OD 25 mm,wall.5mm,length 12.5mm.
Spaced with pieces plastic tywrap to give 1mm gap.
As regards to xogen patent,that works but I don`t like
the design and have improved the output by using a medium
pwr transistor BUX87P forming a Darlington pair with the
2n3055 Transistor but in common collector mode to give
a low impedance output.
As to the quality of gas at a rough guess I allowed for that,
but don`t have access to a mass/spec at the moment.
I have pics and a vidio of my Test Cell on icube forum if
you are interested:http://www.icubenetwork.com/files/watercar/non-
commercial/dave/

Best Regards Dave