I see this plasma ignition system as being one component out of three to getting alot better fuel economy. On its own with no other adjustments you will certainly get gains but not the full potential from my own experiments with the ICE

I think the main gains will be in the ability of this spark to burn really lean mixtures i.e the 18:1+ a/f ratios. This is where I see the main economy gains. Its easiest to experiment with a fuel injected car. You need a programmable engine management system with wide band A/F ratio meter where you can see whether the plasma spark is able to fire leaner mixtures compared to a normal strength spark.

Also if you are running fuel injection I have found good gains in the type of injector used. The bosch EV6 injector atomises the fuel better than any other common injector on the market that I know of and it gives REAL gains. If your car has the older EV1 pintle injector a change is very worthwhile.

Lapper are you able to give a diagram of your final setup.

In Aust we only have 240volt inverters. How would I mod the circuit to accomodate this.

My car would be perfect to test this ignition system as I have programmable engine management system/wide band a/f ratio meter and I have been experimenting with lean burn/economy tuning for the last 6 months

Hi Greg

Thanks for the test. I was also able to burn through the paper, I though I mention it as it could be important in what we are trying to do here.

Hi all

I have been observing the effect of the plasma sparks for the last 2 days.

The simple test is...

Spray some alchohol inside the cylinder of a 2 stroke engine. No carb, no muffler, Im just using the engine to compress the mixture.

The result is definitely a stronger explosion. Tried with the piston at the bottom, a larger flame spits out of the exhaust.

I also tried this with light oil (penetrating oil), the plasma is able to ignite it. Black smokes and it smell like diesel engine under acceleration

Tried with veg oil, there is a small movement of the piston.

Tried with water, nothing.

The only way for it to ignite water is to mix it with fuel, I used alcohol.

This is why I believed that those who tried with water and got some piston movement, I think its due to some fuel still left inside the engine.

Im not too sure if someone have tried before but I will get some diesel fuel and try to ignite that with plasma.

It can surely ignite lean mixture so thats good news.

@Chris31

Revizal has done some work with diesel in a standard gasoline engine with very positive results. It would be great to get some secondary verification.

Check out Yes! Water is Fuel for a compact overview of the past three months development. I have linked to several of his videos on you tube in the archive.

I just wanted to note that with the success of the nexus and vexus circuits we have passed phase one of the development process. With the recent suggestions for improvements from Luc and Naresh it appears we are fast approaching the start of phase three and looking like a couple of new branches on the tree.

This is excellent progress so everyone should be very satisfied with the pace of development so far.

Hi! I am making my experiments with 1 n-p-n Darlington transistor and 30-40KHz frequency and all is fine. I look at Your circuit and I think You make good choise- You put Lamp 100W between bridge and transformer ( in UPS is this kind of circuitry). It is very right becouse (some experimenters think the spikes from Spark plug make the "dead inverter") but my understanding is little bit "upside- down"...
I think inverter go dead when no load is happening. It is between discharge: voltage is jumpig up and down and in this moment voltage go high too much and all this make transformer to saturated condition. After this core start heating up and primary current go up, up, up and... dead.
When You put 100W lamp between- it make "always load" situation. No process of saturation.

Yes, I saw yours and this's very interesting to find the best way to supply voltage to the circuit. A 100 watt lamp is a good way to supply continues power to the circuit but it make not just a simple one which we need. I think the right way is what Aaron done on his lawnmower with a resistor. A simple calculation, if we put 220 V to the circuit and want to keep 0.45 A we need 100 watt load on it (such 100 watt bulb). With a resistor it must be 488 Ohm (100 watt rating) displacing the bulb to keep 0.45 A current. This is a minimal requirement. I donot know what the actual fact, because I donot have a 100 watt or more rating resistor.
But the basic situation is what you said before that we need a continues loading stuff infront of the the inverter to make it worked. No matter how, by using bulb or resistor or anything else.

Regard,

Revizal.

If You have inverter + Isolation transformer, than You must put it after isolation transformer- before bridge. (I think so).

Mike, you need to put the inverter protection resistor after the isolation transformer and leave the rest of the circuit as it was, because if you remove the resistor between the positive terminals of both caps, you will be limited to 120Hz frequency (rectified 60Hz) that the inverter puts out.

Edit, but I think that you do not need it at all, because your tripler caps are the load that is always there and the full discharge happens only in the small capacity cap. If you used just the inverter output rectified current to charge the cap and then discharge the same cap into the spark gap, then you would need the resistor between rectifier and inverter, but for the vexus circuit you don't need that.
Jetijs

I am not certain about that, but you can try that out. You wont damage anything with higher resistance, the smaller cap will just charge slower

Hi all,

I have moved away from inverters altogether. I have built the simplest of oscillators - a two transistor DC-AC device with a voltage doubler.

I got a scope-wise look at the 'death' event that fried one of my inverters and it appears that the failure (at least on my stuff) is related to the C-MOS circuitry in the inverter controls getting fried first then followed by random firing of the power FETS in the inverter resulting in shorting and burnout. The inverter has an internal 50 A fuse that is blown. All of those have always been blown. If this theory proves out then my transistor oscillator should live ... no control circuitry ... just two power transistors and a couple of diodes, some resistors, etc.

I'll let you know.

Greg

Hi all.
I made a new timing setup for my genset. This setup will have the waste spark, but at this time I do not want to go past TDC anyway. It does not have any gears and other things that can make the ignition unreliable, just simple aluminum timing disc and an optoswitch on a sliding plexiglass plate. Hope that this setup will work good so that I can test the water spark setup + HHO booster + water injection



Thanks,
Jetijs

Hi All,

Inspired of what Gotoluc did several times ogo in last 2 day I make a series test to make clear the effect of plasma in ICE. The testing did without electrical loading on the output. I back to my 2K gasoline genset with the steps:
1. Runs the genset on 100 mL gasoline with original ignition setup and No GEET connected into the engine. The fuel last in 4 minutes.
2. Runs the genset on 100 mL gasoline with original ignition setup + GEET connected into the engine. Fuel last in 5 minutes.
3. Runs the genset on 100 mL diesel with original ignition setup + GEET connected into the engine. Fuel last in 5 minutes.
4. Runs the genset on 100 mL diesel with plasma ignition setup + GEET connected into the engine. Fuel last in 7 minutes.

I think with just 100 mL fuel, it’s not enough to make conclusion about fuel consumption. But my main purpose is to see the real effect of plasma on mixed GEET-Plasma booster ignition. The smoke was gone when I run it on mixed GEET + Plasma Booster. My video make it clears to sure the effect. In experience, it need 5-8 times to pull the starter wheel to make engine start on original ignition setup, but only 2 times when I pulling the starter wheel to make the engine start and it was very smooth on gasoline or diesel.

Here is the video:

YouTube - Mixed GEET-PLASMA on genset

I hope it gives some additional progress here.
Best regard,

Revizal.

Excellent progress there revizal.

Is it possible to run on diesel using only plasma? without the GEET.

In my experiment, my engine was died if I add diesel into fuel tank on original standard ignition. It was runs on just plasma booster (no GEET) but not smooth as my previous video. It's run very bad in low RPM. I guest it's not what we want. The last (as my last video), the engine runs very smooth with diesel on Plasma booster+GEET. I'm sure this methode is what we need. It makes us sure to clear convert gasoline engine to diesel.

Revizal.

Hi Greg,

Can you post your video to let us know the multipier works ?

Rev.

Hi Greg

Can you post a parts list and the schematic of your "oscillators" with the doubler?

Thanks
DonL

Hi! I have good and bad news. At first- I make a Discovery. This discovery is very interesting. I think, all of You watching my Video with 1 Darlington transistor + Impulse transformer? If Yes then I can tell You more... In my video the generator was... Sinus Wave generator. Today I make a multivibrator with Square impulse output about 30-40KHz. And I make some mesurments... and I find somthing is wrong. And that is what I mean about discovery. At first- if we look to the circuit: difference is only a square or sine generator... only??? Go to next.
With Sine I have 1) 3 Amps; 12Volts and 130V output- 60Watts lamp.
2) Transistor was warm and transformer too.
3) No resonance in frequency range from 10 to 40KHz. I mean output voltage is the same 200Volts.
With Square wave 1) 6Amps; 12Volts and 125V output- 60 Watts lamp.
2) Transistor was very hot, but transformer ... cold.
3)Very sharp resonance!!!
Conclusions: I am absolutly shore- The SQUARE CURRENT NO WORK CORRECT IN THE TRANSFORMERS!!! Becouse no Maximum point and no mimimum point of current. Transformer no working!!! We see only position ON and OFF and no position where wave start go from 0 volts then to maximum 12V and so and after. Transistor is go to saturation and after some period his current make him dead... . I am shore we must make generators with sine form, and that is very important!!!

Sorry- there is mistake:
I mean output voltage is the same 200Volts - 130Volts is correct.

Hello all,

My inverters have a total of four 30 amp fuses internal. The latest "death" smoked the Fets but the internal fuses are still good, checked all four. Anyway, I intend to adjust the ignition timing today on the Suburban to get the spark knock to go away. Then I will road test to see if there is a good power difference while using the plasma spark, on just gasoline. I also have a working hydrogen unit attached to this vehicle, we'll see how that comes into play a little later.

@ Greg
Did you experience spark knock on your 4 cylinder? Do you know how far you adjusted your timing to obtain a smooth run? Just curious........................Mike

Mike the TVS is not saving the inverters?

Thanks for the reply, yes GEET is the way to go if we want to run different type of fuel.

I just though that diesel might work with just plasma if the engine is already at its operating temp, perhaps the ignition timing might also need adjusting.

Hi all,

Trouble with the video editor so no titles and I didn't feel like talking.

In the video you see the regular spark then I turn on the oscillator / doubler assembly, squirt it with water, run it with the drill motor, etc. Good stable plasma to max drill motor speed ... about 2400 RPM.

The doubler (multiplier) is on the left of the transformer. The doubler is the exact one Aaron posted to the group long ago. The xformer is a 115VAC x 12.6 VAC run in reverse. No need for an isolation transformer because the 115 x 12.6 is one. It gets warm but is cooled easly by one of the (many) small chasis fans I have left over from fried inverters. It gets warm for two reasons: 1) it's not a real step up transformer, 2) transformers don't like square waves ... they like sine waves.

The short, fat cap is a 1000uF x 100VDC for the oscillator input supply stabilizer (goes across the 12VDC input to the oscillator - may not be needed).

Behind that is a small 33uF x 450VDC storage cap. On the upper right is an oil-filled HV cap at 3uF. The current limiter resistor is 120 Ohms.

I will be getting a board-mount xformer today. It is only a 0.3A transformer. This arrangement draws very low power ... it surprised me!

This way I can make a final determination if the inverter failures have been 'power-side' based or 'processor-side' based. A failure on the power side is a $2.00 Transistor replacement and on with troubleshooting, etc.

Video is at:

YouTube - transistor oscillator

Peace,

Greg

P.S. My original Gotoluc pulsed-coil plasma CDI circuit (with the charge and discharge power Mosfets) is still intact and a reminder that there was NEVER a problem with that configuration. Just thought I'd mention that.