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Overunity Machines Forum



Ed Gray's Circuit, am I in this alone?

Started by fcpeace17, October 17, 2006, 01:04:08 PM

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Wicaksono

#10
October 23, 2006, 08:38:42 AM
Quote from: tao on October 22, 2006, 06:45:05 PM
Quote from: fcpeace17 on October 22, 2006, 03:04:16 PM
sorry, it was tesla with the magnetically quenched spark gap, why did he do this?
Tesla didn't have our current electronics, he had to improvise. Tesla used an electromagnet with metal tips going near the spark gap and he would turn on the magnet just as the spark appeared to QUENCH it IN THE GAP. In addition Tesla used hot air from candles and rotating spark gaps to accomplish these same things.....
Quote
what allows grey not to have to do this?
Gray used a thyratron and other new electrical means, plus Gray tied the positive of the HV cap and the positive of the 12V battery, this and the thyratron allowed for him not needing the quenched spark gaps and such...
Hey, this comparison between Tesla's magnetic quenched gap and Gray's thyratron trigerred gap made a good idea. For those "poor man experimenter" of Gray's circuit can use a magnetic quenched gap for stopping the arc, this is based on Lorentz force that act on the arc. It just needs a proper trigger circuit to start the arc, but I think this will be much cheaper than using thyratron tube.

fcpeace17

#11
October 23, 2006, 10:06:24 AM
Quote from: tao on October 22, 2006, 06:45:05 PM
Quote from: fcpeace17 on October 22, 2006, 03:04:16 PM
sorry, it was tesla with the magnetically quenched spark gap, why did he do this?

Tesla didn't have our current electronics, he had to improvise. Tesla used an electromagnet with metal tips going near the spark gap and he would turn on the magnet just as the spark appeared to QUENCH it IN THE GAP. In addition Tesla used hot air from candles and rotating spark gaps to accomplish these same things.....


Quote
what allows grey not to have to do this?

Gray used a thyratron and other new electrical means, plus Gray tied the positive of the HV cap and the positive of the 12V battery, this and the thyratron allowed for him not needing the quenched spark gaps and such...


Quote
is it because as soon as ed allowed radiant energy to be seen he would turn it into usable electrical energy unlike tesla? Evan

Well, Tesla certainly used the radiant energy differently then Gray did. One thing is in common though, those both used this radiant energy in INDUCTIVE loads.

Gray used the inductive coils on his motor, but he also had a simple inductive transformer which lead to resistive loads like the light bulbs he placed in water.

This is also what Tesla did, he used inductive transformers to then feed resistive and other loads.
@ Tao
when you say "Quench it in the Gap" what does that mean, waht is the purose of quenching the gap? does "splitting the positive" have to do with how he would tie the positive of the HV cap and the positive of the 12 V battery, if so why did he do this? i know how an inductive coil works but how does an inductive transformer work?
@Wicaksono
is the magneticly quenched gap as accurate, or does it need finer tuning? Evan

Wicaksono

#12
October 25, 2006, 04:10:19 AM
Quote from: fcpeace17 on October 23, 2006, 10:06:24 AM
@Wicaksono
is the magneticly quenched gap as accurate, or does it need finer tuning? Evan

Compared to thyratron (electronic) Gray's method, it is not so accurate. There are many factors involved such as air (temperature, pressure, humidity, ...), and arc instability that make difficult to set a tuned single frequency / pulse period. This makes fine tunings & a lot of experiments are needed.

fcpeace17

#13
October 26, 2006, 08:06:54 AM
so do you think there is a way to build what tesla was using, from a tesla coil modification? would an implimentation of a thyratron in a tesla coil do this? I woner what "blowing" the spark out has to do with producing the effect.. hmmm. the reason i ask about the tesla coil is because i am in the middle of building one with IEEE and i could do a mod. after we build it if it is at all possible. Is the electro-radiant event only present with High Voltage? Evan

fcpeace17

#14
October 26, 2006, 08:08:42 AM
Quote from: Wicaksono on October 25, 2006, 04:10:19 AM
Quote from: fcpeace17 on October 23, 2006, 10:06:24 AM
@Wicaksono
is the magneticly quenched gap as accurate, or does it need finer tuning? Evan

Compared to thyratron (electronic) Gray's method, it is not so accurate. There are many factors involved such as air (temperature, pressure, humidity, ...), and arc instability that make difficult to set a tuned single frequency / pulse period. This makes fine tunings & a lot of experiments are needed.
by this do you mean the thyratron is moore accurate or less? sorry  :P Evan
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