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Post pictures of your HHO installation

aldive

aldive

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Post pictures of your HHO installation and tell us about it. Also, please include performance data.
 



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Whats an HHO?
 






IZwack said:
Whats an HHO?
Click to expand...

HHO is an oxyhydrogen mixture made by electric arc technology; it contains 2 parts of hydrogen per 1 part oxygen.

Basically the use of hydrogen to boost gas mileage.
 






Ohhh water electrolysis -- gotcha thanks!
 


















i dont know i guess the hydrogen and the electricity. i'll find the other thread about it and read up.
 






aldive said:
Post pictures of your HHO installation and tell us about it. Also, please include performance data.
Click to expand...

...Inquiring minds are anxiously awaiting the read and pics...:popcorn:
 






if Aldive gets an increase in mileage (again), i think about 75% of this forum will have an HHO kit the next weekend...

hell, if he gets 4mpg out of this (maybe..hopefully) he'll have broken the 40mpg barrier.

INSANE
 






I have just begun to experiment with it. I used a adaptive PWM (pulse width modulation) circuit I designed to help increase the efficiency of the HHO generator. Most systems use plain DC current which generates too much heat and overall has poor efficiency.

Overall I have seen 1- 2 MPG gain. But I am wondering if thats just the effect of driving more carefully, expecting better mileage after the installation of the HHO generator

I currently have mine removed, as I am modifying the design to increase the surface areas of the system, with the hope of increasing the HHO output. Currently my first attempt makes about 6 SCFH of HHO; I would like to be able to double that.

Keep in mind that HHO gas has 270 BTUs per cubic foot at standard pressure. A gallon of regular gasoline has roughly 118,000 BTUs

I will post pictures of my updated install soon

--Joe
 






Is it space dependent, how large is the typical HHO device?
 






I am not sure about the kits, but the design I worked on is based on a 6" diameter PVC pipe; the length is 14". In an 03 X it fits neatly up against the firewall.

Additionally since I have some drive electronics, a second box measuring 6" x 8" x 3" (HxWxD) is temporarily mounted inside the vehicle. Eventually I want to have the bulk electronics under the hood with the HHO driver controls and displays inside the vehicle.

--Joe
 






What duty cycle is your PWM controller set on? Do you notice that it works better at a specific frequency? You said that it runs cooler with PWM than with regular DC. What is the average temperature? BTW, I think this thread should be in the hybrid, HHO, ethanol, and alternate fuel section.
 






Agreed on the section, I just wish that section got more traffic.

I have worked with several frequencies, but keep in mind each setup will behave differently. The HHO system can best be described electrically as a capacitor with water as the electrolyte. As such you would have to tune your system to match the resonant frequency of the capacitor in that circuit. Basically look at the capacitive reactance of the circuit. Keep in mind that with this circuit this type of capacitor has significant resistance and inductance, that will influence the reactance calculations.

When I designed my little circuit I allowed for frequencies from 1k - 100k with duty cycles ranging from 5% - 95%. I also use a step up transformer to increase the voltage going to the 'HHO capacitor'

When I first tried this generator I ran it straight off of DC, it drew 14 amps and reached temperatures in the 170 -190F degree range.

With the circuit running at 22.3kHz and a duty cycle of 78%, I was able to achieve the same output using only 8.4 Amps with the pulsed circuit including the use of the step up transformer. The temperatures with this circuit now average ~ 115F

--Joe
 






Very good, has anyone researched the public information about the gentleman who built an HHO welder and cut off torch? That technology is likely the kind of power(efficiency) that could make this very worth while.

That man also built a system for his car with the technology, high efficiency, but that was also right when he was discovered. That has been quite a while(years), and no public information came out after that.
 






So it's running on AC now instead of DC. What's the voltage? Are you using an LM555 with a power transistor to run the transformer? The transformer will create harmonic frequencies, so the output will vary on what the chip was originally set on.
 






I have been watching a guy called "zerofossilfuel" on youtube. He has complete step by step builds on multiple systems. He also showed how to build his PWM.


So who is running HHO generators so far?
 






I use 2 National Semiconductor LM555's, one for the frequency and one for the duty cycle control. I use IRF N-channel enhanced MOSFETs for the power switching. I use MAX5048 MOSFET drivers for minimum Rds On time heating issues for the MOSFETs

The transformer is used for stepping up the voltage, I am not sure about the harmonic frequency effect.

The voltage amplitude that is seen at the output of the transformer can vary but the average is about 108 Volts

--Joe
 






joefnh said:
I am not sure about the kits, but the design I worked on is based on a 6" diameter PVC pipe; the length is 14". In an 03 X it fits neatly up against the firewall.

Additionally since I have some drive electronics, a second box measuring 6" x 8" x 3" (HxWxD) is temporarily mounted inside the vehicle. Eventually I want to have the bulk electronics under the hood with the HHO driver controls and displays inside the vehicle.

--Joe
Click to expand...

Post some pictures.
 



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I will this coming weekend. As mentioned above I am currently modifying my design.

I can also post a copy of the electrical schematic if anyone is interested.

--Joe
 






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