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Overunity Machines Forum



Size of Toroid

Started by CommanderJerome, December 02, 2014, 08:59:55 PM

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CommanderJerome

December 02, 2014, 08:59:55 PM
Hello, for my science project on the joule thief this year I ordered a 50 x 30 x 19mm toroid core. Is this too large? Will it work with a 1.5V battery? How many windings will I need. Thank you, and if you can, how many winding would I need of an input of 12V?

MarkE

#1
December 02, 2014, 09:06:19 PM
Quote from: CommanderJerome on December 02, 2014, 08:59:55 PM
Hello, for my science project on the joule thief this year I ordered a 50 x 30 x 19mm toroid core. Is this too large? Will it work with a 1.5V battery? How many windings will I need. Thank you, and if you can, how many winding would I need of an input of 12V?
What material?

MarkE

#3
December 02, 2014, 09:14:51 PM
Quote from: CommanderJerome on December 02, 2014, 09:07:21 PM
Ferrite
There are many ferrite grades out there.  What kind of ferrite?  The kind of ferrite and the dimensions of the core will tell us how much energy the core can store.  What oscillation frequency are you targeting?
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