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Overunity Machines Forum



Joule Thief

Started by Pirate88179, November 20, 2008, 03:07:58 AM

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Gilobob

#10340
November 29, 2009, 03:01:41 PM
@ Guruij

Yes just with a normal JT circuit.
I didn't have any normal toroid's but had a broken speaker, so I took the magnet from it.
Some weeks ago I got some big speakers, thus very big toroid's :) and a way for me to find out what's the difference with normal JT (just for learning purpose :P)
This is it but its a bit different now.

http://www.youtube.com/watch?v=OpCATds1TmY

2n3055
1n4007
10k pot
100 ohm R
neon
2 leds (now gone :P)
on/of switch for charging or light

GrtZ

Welcome back Bill :):):):)

innovation_station

#10341
November 29, 2009, 03:09:34 PM
welcome back BILL 8)

mk1 why in your opinion are we drawen here ?   i have been unable to stop working on thease things ...  i have yet to come to a good conculsion on that ..

?

through this reserch i have only dug deeper and deeper ... and rediscovered more and more ..

so i dont know what to make of it ....

ist

To understand the action of the local condenser E in fig.2 let a single discharge be first considered. the discharge has 2 paths offered~~ one to the condenser E the other through the part L of the working circuit C. The part L  however  by virtue of its self induction  offers a strong opposition to such a sudden discharge  wile the condenser on the other hand offers no such opposition ......TESLA..

THE !STORE IS UP AND RUNNING ...  WE ARE TAKEING ORDERS ..  NOW ..   ISTEAM.CA   AND WE CAN AND WILL BUILD CUSTOM COILS ...  OF   LARGER  OUTPUT ...

CAN YOU SAY GOOD BYE TO YESTERDAY?!?!?!?!

stprue

#10342
November 29, 2009, 03:12:34 PM
@ Pirate88179

I'm very glad you have returned.  The JT topic has (in my opinion) been one of the most focused topics here, with dedicated people.

:D ;D :D

jeanna

#10343
November 29, 2009, 03:12:54 PM
Quote
The toroid is only one of the factors that controls the frequency. The higher permeability's produce fewer turns for inductances. There is an inductance trade off between high voltage and high frequency, but it is not the permeability itself the changes frequency it is the inductance. You can get the same inductance with a low or high permeability core. It just takes more turns on the lower permeability core.
Thank you.
I will keep that bit
=================

YEAY,  BILL'S RETURNED!!
Thank you Bill, we all need you.

jeanna

Mk1

#10344
November 29, 2009, 03:15:57 PM
@ist

It's beyond me  :o , lol
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