Joule Thief

[WilbyInebriated]

Nice job! It looks good.  Yesterday I was looking into info on teslas flat pancake coil!  I want to build one of those!!!

thanks!
i plan on doing a more 'traditional' flat pancake for the primary coil, i have some copper tubing for it at the lake that i plan on grabbing over the 4th.

[stprue]

thanks!
i plan on doing a more 'traditional' flat pancake for the primary coil, i have some copper tubing for it at the lake that i plan on grabbing over the 4th.

If you have any construction info I would greatly appreciate it!  I want to understand this tech to adapt to other things we are all working on.

[jeanna]

@Ist
Nice looking ring. I ve been looking at a few of those today too. And they were mostly not from neat windings either, but some were. I bet it doesn't matter much either way. (I love the blue ribbon look. Its a prize!)

@Wilby,
cool looking. Also, thanks for the link the other day. I have not found a cap that makes any difference yet, though. But the way the guy talks about inductor coils helps a lot.

==
And remember the flat pancake and the makezine way to wind a bifilar both have side by side wires with the impulses going the same way (not opposing each other), like tesla's pancake which is why I think they work sooo well.

I would like to see a full secondary pickup like that just to see. I thought the MK1 was that, but it is not. It is more like the stubblefield.

Happy july everybody,

jeanna

[resonanceman]

im haveing fun now ..

lol

insted of a ring  i made a rod feroite unit ... 

im lighting 24 leds plus i can scope as much as 120v so far  and ..

it is tiny and damm sipmle to make ... 

7 turn bifillar primary fone wire ... and 100 turn 28 ga ac winding  sloppy overtop of it

dont have to be round ... lol 

ist

this is the. IST MINI.   with a bit of work ill get it to lite a cfl ... it is about 5/8 of an inch long ...


it has a verry neat wave to it ...  i can tune it to be pure sine output ..  but the ringggie spike looks neat and works better .. 



ooopps    just got done the bobbin style too ...  i can put multi turn picups on here too or more or less for volts....

here is a few pics of the rod unit and a scope shot of it

scope is 20v/div ...  this is wile powering the 24 leds ..

IST

Your bobbin in  the bottom picture may be  the  idea I have been looking for .

I need  a way to make  my  " system " smaller .
I have a few inductors around wound on a bobbin like  in your picture . 

I  think  I will  try winding   a bifilar  primary around the outside of them


gary

[stprue]

@Jeanna

Hybrid coil does nothing special!

The pic shows 53 or something volts, and after messing with it I got a little more then 100.  The goal was to make an coil different from MK's but have the same dual polarity(leds light either way) by x2ing the primary or pickup (thin wire).  I have succeded in finding another way to build a JT of low results...Oh well back to winding the next idea

P.S.  The pickup is 1 wire only!!!!

P.P.S I noticed that I hear the resonation at the end points only, anybody else hear the same?