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Joule Thief

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

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gadgetmall

#2005
January 29, 2009, 11:23:26 AM
 
Quote from: sparks on January 29, 2009, 09:13:54 AM
     If you can make the magnetic flux of the core to collapse faster than you built it up your circuit gets a little energy out of whatever collapses it.  In an ignition coil of a car the primary current sets the core up very slowly.  Then they open this circuit and something majical happens.  The wall you just put up gets knocked down.  Now you get back all the work piling up the blocks PLUS the work of knocking over the blocks.   If you have ever done demolition work you will know what I mean.  What force is causing that field to collapse. 
. bemf .But why dont an iron wire work for a jt ?
Visit www.sunpowerwindpower.com For Gadgetmall fugi Completed unit,low powered Joule thief Kit's AA Fugi Kits,   rainbow R G B Joule theif kits completed housed units. NEW E-LIGHT AAA PERPETUAL LIGHT Runs for ?EARTH BATTERIES NOW ON SALE !  MAGNESIUM AND CARBON RODS ALL SIZES CARBON RODS 1/2" to 6" in Diameter 1 to 4 feet long & 650FARAD2.7VOLT ULTRABOOSTERCAPS THE MONSTER ,Instructions. Vintage Germanium Transistors run on low volts(0.20Vdc-some lower!)  Solar Cells 5VDC80ma,   BLUE BURNING LASER KITGreen laser pointer SEE Gadgetmall Kits link !

innovation_station

#2006
January 29, 2009, 11:34:00 AM
 ;D

200 pages in just a few months ....  wow .....


lol


here is this coil alum added ...  8)

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?!?!?!?!

innovation_station

#2007
January 29, 2009, 11:42:57 AM
Quote from: gadgetmall on January 29, 2009, 11:23:26 AM
. bemf .But why dont an iron wire work for a jt ?

i dont think  it is BEMF ....

it is magic .... lol i mean magnetics ... or is that electrics ...  ;D 

it is the the result of PUSHING AGINST NATURE ...  SHE PUSHES BACK ...   USE IT  8)

the univirse is in a ballance  state ...    distrub it....... it will adjust .... take the distrubance  away ...  she will restore ballance ...  but if you afixed  your bulb  ....  as part of the ballance ... it will operate ...  8)

answer WE ALREADY DO THIS .....IN THE JT!!!!!


ist! ;D
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?!?!?!?!

slayer007

#2008
January 29, 2009, 12:34:55 PM
Here is a video of a small joule thief with a secondary coil winding.
The second coil puts out about 8 volts and can fill a large 4400 mfd capacitor to over 75v in about 10 minutes.

It will allso charge 10AA rechargable all at once just on the second coil.

This is running off a rechargable 1.2v AA battery that has 1.28v in it.
It took about 10 minutes to recharge 10 AA batterys from 8.9v to 13v.

http://www.youtube.com/watch?v=p1Z2wUSu5Aw

xee2

#2009
January 29, 2009, 12:55:24 PM
@ nievesolive

Can you put the EBC letters on the transistor in jenna's circuit diagram, for those who do not understand the symbol? And maybe put a plus sign on the battery?

@ jenna

The collector usually goes to the positive end of the battery and the emitter to the negative for NPN transistors. Are you sure you have the emitter going to the positive end of battery?


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