Thread: Water Sparkplug
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Old 07-05-2008, 06:23 PM
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Aaron Aaron is offline
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splitting the positive

Quote:
Originally Posted by lighty View Post
I didn't realize that capacitor after a discharge through a primary retained any kind of charge.

Could you please do a simple experiment- just reverse polarity of the whole system and compare results with the ones you tried already. By reversing the polarity of the system I mean connecting common ground to (+) of the inverter output instead to (-) as well as reversing the polarity of the high voltage diode. That should provide you with a positive high voltage pulse striking on positive retained charge on the capacitor. Positive charge striking on positive charge sometimes behave differently then negative charge striking on negative charge.
Hi Lighty, from how I see it, even if the cap goes to 0, the HV pulse is seeking that lower potential as long as it is not negative and is going back to common ground. Diode slams off and that buildup explodes to plug.

Those caps are pretty springy...not leaky but springy...they pop up a bit very quick. After discharge, these caps I was using spring up to 5v+ after discharge instantaneously. I think if there is some + voltage no matter how low after discharge into the coil, instantaneously, it probably self charges a bit...even if .000000001 lol, that is still a low voltage + potential the hv seeks going back to common ground.

Your explanation of your proposed experiment sounds simple but could you draw a diagram?
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