Joule Thief

[electricme]

@IST and MK1
Sorry about the very very late reply folks, I'm tied up with other things right now.

This is a flash tube I found in an spark tester to test the ignition timing for a car engine.
I have to find really thin wire to wind it with, one mistake and it will snap like a twig, I might have to make a jig to support it. 

@ jim

that thing is intresting ...  is it a form of arc lighting ?
ist

I've noticed all the advances here, it's pritty good research info.

jim

[nievesoliveras]

@all

I do not want to sound like the boy that cried wolf wolf, but I have again the self charging spirit inside of my circuit.

My pulse motor is self running charging a three battery pack at the same time that is using another three battery pack of rechargeable batteries.

Also It is lighting two leds and charging another 1.5volts battery.
I know this is crazy, but I have to take advantage of that charging spirit when it is inside my circuit.

The strange thing is that I was using the three rechargeable pack trying to replicate @electricme's idea of three batteries and using the center one while charging the outside ones.

It worked for a while, but then it began to discharge the batteries.
I made a torid like the one @jeanna posted, that has 2 turns on one side the cross to the other side and have 3 turns, Tha is done twice and then adding 14 turns secondary.

I started the pulse motor with that toroid configuration and I saw when the usual charging behaviour started on my circuit.

I tried to get the best output with a small pot and went to the pot spot where there is no more current flowing through the toroid circuit and the pulse motor did not stop.

I began to take off parts from the joule thief and the motor kept running, I took all the parts from the jt and the pulse motor is still running.

I know it is very strange, that is why I say that my circuit is with the spirit again.

It is still running. I will see how long it will run, taking advantage and charging all the batteries I can.

I just dont know what is happening!!!!!!!

Jesus

[jeanna]

@jesus,
That is amazing! The whole joule thief is gone? What is the circuit?
I think you have named it well.
The spirit joule thief.

I was wondering the other day if this thing that happens is a kind of a capacitance collecting somewhere, or I mean a pressure on the battery kind of like capacitance.
You and Gary both have this kind of up and down.

I had freed up one of the pickup wires. So, I was wondering where to put it.
So, I  added it to the battery while I had the meter watching the amps draw.
At first the amps draw went down, but then it went up and down and it made me think of a capacitor loading and unloading.

(In the end, it settled at a higher amps draw than without the wire there, so it did not add.)

This happened on both neg and pos side of the battery. For some reason I thought of your fickle joule thief when this happened.

Thank you for telling us,

jeanna

[xee2]

@ jeanna

Now xee2,
Have you calculated either of your coils?
If you have, what is the inductance you are calculating from them?

I bought the 3.38" cores because data was available on them. The manufacturer web page is
http://www.mag-inc.com/
and a catalog with data is at
http://www.mag-inc.com/ferrites/fc601.asp

The initial permability for W material is listed as 10,000. When I plug that into the calculator I get about 33 millihenries for an 80 turn coil. That seems about right to me but I make no guarantees about correctness. I have no way to measure inductance so I do not have any way to check this.

[jeanna]

That is great, xee2,
Thank you.

I think someone with your experience saying it seems about right with you is a good enough beginning.

I have had nothing to go on and I have resorted to using a store bought inductor because the inductance is known.
But that is it.
Now, this is very helpful.

Thank you,

jeanna