Joule Thief

[Mk1]

@sparks

I think you may be the best to try to make a jt magnetron,by making a jt divided in 16 parts with a Brass cathode at the center to pickup the rf field . The core on that one would need to be conductive.

@all

Also we can make a motor out of it , by carefully making 4 coil 90 degrees apart , and dropping a motor axel , with permanent magnet in it.

We have seen nothing yet.

Keep the good work!

[Mk1]

@all

If the led is not used in the jt circuit, There is no energy used in the coils , the only thing we have Is a street light at the end directing traffic.This energy needs to be stored not be going back to battery , could be directed to charge a battery.

[Cap-Z-ro]

@all

This energy needs to be stored not be going back to battery , could be directed to charge a battery.

As I watch and learn, I was thinking along the lines of amplification...as in the Stephen Marks toroidal unit.

With all the fertile minds displayed here I have a feeling this thing will be scaled up to produce usable energy.

Regards...

[Bob Smith]

I've been following this thread from the beginning, but busy with work. Just a quick tip on sourcing - I managed to snag a few power supplies thrown out by the IT department where I work. Tore one open a couple of days ago and was able to salvage 6 toroids of different sizes and some nice fat diodes.  The folks at Wal Mart photo centre gave me a few disposable camera carcasses as well.

I'll try and put this thing together this week. Tho' my real interest is in lighting incandescent bulbs with cold electricity, rather than fluorescent ones.  My preference is a transistor (versus 555 timer) to get the right frequency to make this happen (I've tried both, and have gotten better results from the transistor).  Has anyone given any thought to moving past LEDs and CFLs to incandescent bulbs? The nice thing about a 555 is that the frequency can be changed with a pot, whereas with a toroid, it's pretty much set. Unless of course a pot can be integrated into the circuit to make this possible.

I was able to get some frequency optimization using a pot in Groundloop's 12V battery charger circuit - see:  http://www.overunity.com/index.php?topic=4057.msg75477#msg75477
I'm not trying to derail the thread here. I'm just wondering if somehow something can be integrated into one of these jule thief circuits to change the frequency to bring some resonance (and cold elctricity/radiant energy) to a bulb.
Any thoughts greatly appreciated,
B

[TheNOP]

about the hose analogy.

i am still undecided about the kicks.

those kicks are all voltage with no amps.
but the ringing that come right after look like something we don't had to pay for.
but it is so tiny...


@Mk1
right now we are testing with DC bias on the core so...
is this the way you want to go ?

i don't have the tools to research that anymore.

trying to hit the core at the right time will be a hard thing to fine tune.
environmental frequency disturbances are also to be expected.

replication won't be possible with just a part list, a light source, and a fine tunning tutorial.
well, not unless the electronic circuit can auto fine tune itself.