Joule Thief

[stprue]

@ slayer

I noticed another cool thing in regards to the field put out!  With an AV plug you can move it far enought away so that the LED goes out but if you put it near the wall socket you can sometimes see it dimly lit.

How are you building you towers?  Single wind?  What guage?

[slayer007]

@ A

I noticed another cool thing in regards to the field put out!  With an AV plug you can move it far enought away so that the LED goes out but if you put it near the wall socket you can sometimes see it dimly lit.

How are you building you towers?  Single wind?  What guage?

They are a single wind 23ga.
The L2 coil was loosely wound around the L1 coil 16 turns then taken off and bunched togeather and taped.
So it's more focused on a certain spot on the L1 coil.

Lidmotor also made a replication of the circuit.
Here is the video by Lidmotor.
http://www.youtube.com/watch?v=s1BEzNpDgQY

[stprue]

I haven't seen that video before!  I'll have to watch it later tonight on a computer with sound.

Thanks for the infos!

[xee2]

@ slayer007

Like Dr Stiffler says whats mass got to do with it.

It is not the mass, it is the conductive surface area (makes a capacitive plate). The suggestion was to put a plate on each end of the coil. I think this will expand the field generated.

I like your circuit. I think it is the best I have seen so far. Thanks for sharing it.

EDIT: I am sorry that I did not make the point of the suggestion more clear originally.

[jeanna]

1F=1C/1V
if your theoretical cap is a 1V/1F and is theoretically full, it should theoretically contain 1C. if the cap was 1V/1pF it should theoretically contain 1pC...

theoretically of course. personally i dislike it. it gives the impression that electrons are discrete particles...

Thanks wilby.
AND...
That final example helps a lot.
a 'full' = 3 to 5 time constants, cap of 1V1pF can dump 1pC.

I do realize we are not dealing with things here, even rates of things moving, but if they can at least be equivalent non-things I think I can go from here.

So, thanks for telling something you dislike.
I believe this will get me to where I want to go.

If not, I will ask another q! 

jeanna

@slayer007,
I am glad you posted this circuit here.
I did make one, but I do want people to realize that those phone chargers convert the 1.2v up to close to 5v, so, while it is 1 battery, it is really one 5 or 6 v battery.

Did you ever do a rundown time on that charger?
According to the ads, it only works for 2 hours, and I would expect a jt made from it to run down in that time.
It is great, just not apples and apples so very hard to compare results.
(unless you can run an eb through it and get it to run forever!)
j

edit
to clarify
I made jonnydavro's circuit not this one slayer007 just posted!!