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Overunity Machines Forum



URGENT! WATER AS FUEL DISCOVERY FOR EVERYONE TO SHARE

Started by gotoluc, June 26, 2008, 06:01:38 PM

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0 Members and 23 Guests are viewing this topic.

bxngoc

Quote from: Groundloop on August 24, 2008, 05:01:34 AM
Luc,

Attached is the same simple circuit with external trigger input.
Note: Adjust the SCR trigger voltage BEFORE switching on circuit.
This circuit can be used with external trigger in an engine enviroment.

Groundloop.
@Groundloop
May I ask a silly question? How can I measure SCR trigger voltage? Should I measure voltage between G and K pin of SCR when 120 VAC is supplied to the circuit?

Groundloop

bxngoc,

No measure with no input power. You use a oscope and measure between the gate and katode. Then you provide a 5 volt pulsed
voltage to the ferrite transformer. Adjust the 10K pot for approx. 0,9 volt on the gate. Another method
is first to adjust the 10K down to the katode level. Then switch on the circuit and carefully adjust
the 10K pot until the SCR starts to trigger.

Groundloop.

bxngoc

Great thank to Groundloop.
You're wizard with electronics. I take this opportunity to learn from you because I'm not a EE. I'm just an IT guy. BTW How far have you done with Telsa switch circuit? Have you got OU yet? I've download your schematic and source but not replicated yet. I'm learning to program PIC microcontroller now.

nul-points

hi Luc

thanks for the kind words - i'm glad to help if i can

not really sure that i have much to offer, but as the other guys pointed out to you & me earlier there is a close similarity in this particular part of your switching circuit between our two projects (although they're being used in very different applications)

...sorry for the confusion over some of those circuit details above

i used 2R to indicate 2 ohms (i don't have the ohms symbol)

yes, the coil wind is exactly as you describe - "not nicely wound next to each wire row by row like a coil  ...somewhat loose and just quickly wound like if you would wind twine on a stick"

it's not mechanically loose tho' because i tape between each layer (about 4 or 5 turns per layer - the ferrite is only 20mm long approx) so i get a short fat coil

i've tried various hand-wound coils and the most important factor - for my test - is that the copper resistance stays low (just a few ohms) - i used random-wind method just to reduce the coil capacitance - i only want to store mag-field energy in the coil which i can then reclaim with the flyback diode (D2)

i haven't done any tests yet to compare the efficiency of the random-wound coil with my tight-wound coils - they seem mostly equivalent so it hasn't been an issue so far

however, the coil i need is small compared to the one you're using - so it may make a much bigger difference in your application if the coils is tight-wound or random-wound

it's the sort of thing you can test after optimising the rest of the circuit operation - then you can go back & just change that one thing and see if your 'optimal' results get worse or improve


the example info inside the brackets relates to the parameters i mentioned outside the brackets: "my inductor/voltage parameters" - so the / 8V just gives the "voltage" part of that pair of parameters (no division involved)

i mentioned the voltage in my circuit example because my application doesn't use the high voltages that the water-plasma experiment needs and so my particular 'charge' time should be seen as relevant only to my low-voltage circuit - your optimal time may turn out to be very different due to either difference in inductance or difference in voltage levels

thanks for the heads-up on the confusion over my info - hope this makes it easier to see what i was trying to say  :)

all the best
sandy

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foxwhisper

Hi guys, I'm a newbie to this great site so pardon me for my ignorance. have been playing around with plasma sparks/ water vapour with some interesting effects  but have just read PowerLabs 'reasearch' on hv water atomization where no pressure build up or expansion  was detected during discharge. my question is, as  an ICE relies on expansion of gases to work, would the 'shockwave' from the water explosion replicate a gasoline explosion? any feedback greatly appreciated.

foxwhisper.