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4hv.org :: Forums :: Tesla Coils
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Flyback tesla coil

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Coronafix
Sat Sept 01 2007, 02:46AM
Coronafix Registered Member #160 Joined: Mon Feb 13 2006, 02:07AM
Location: Melbourne, Australia
Posts: 938
That is awesome!!!
Very descent output for a flyback driven TC.
I think you should have started a new thread though, it's worthy of its own.
What are the two wound coils for on the secondary side of the flyback?
Is that for current limiting?
Nice little rotary too.
Well done and welcome.
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sparky
Sat Sept 01 2007, 02:53AM
sparky Registered Member #530 Joined: Sat Feb 17 2007, 07:56AM
Location: Victoria BC, Canada
Posts: 178
Wow...that was impressive! I really enjoyed the video. By the way, nice craftsmanship! Great work!
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Bauerb2
Sat Sept 01 2007, 03:21AM
Bauerb2 Registered Member #973 Joined: Tue Aug 28 2007, 07:32PM
Location: Pittsburgh, PA
Posts: 66
Thanks for the comments!

first off those two coils on the flyback secondary are supposed to be Rf chokes. Early in this construction, i hadn't a clue what they were for (longggg time ago), but i now know that they actually work. After a quick test with my $30 o-scope to check their importance, i found they stop a lot of high freq from going back into the driver circuit, which reduced some heating in the fets.

I think i'll start a new thread if thats ok. i've never posted anything on a forum in my life. hehe.
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