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4hv.org :: Forums :: Sale and Trade
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FREE Tesla coil secondaries, some on TEFLON formers

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ragnar
Fri Nov 06 2009, 11:38AM Print
ragnar Registered Member #63 Joined: Thu Feb 09 2006, 06:18AM
Location:
Posts: 1425
These are mostly high-frequency secondaries. The higher Fres secondaries are suitable for Class-E or tiny spark gap coils! Pick-up preferable from Sydney Australia, but I'm happy to post anywhere at cost.

1 x approx 6MHz (?) LITZ WIRE secondary wound on Acrylic / PMMA former


1 x approx 12MHz (?) unlacquered secondary wound on Teflon PFA former


2 x approx 4MHz (?) lacquered secondaries wound on Teflon PFA formers


1 x approx 800kHz (?) lacquered secondary wound on PVC former


1 x approx 700kHz (?) lacquered secondary wound on PVC former


1 x approx 6MHz (?) lacquered secondary wound on cardboard former
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ragnar
Sun Nov 08 2009, 12:53AM
ragnar Registered Member #63 Joined: Thu Feb 09 2006, 06:18AM
Location:
Posts: 1425
I've also added the infamous litz secondary on a flat-packed former.
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Arcstarter
Sun Nov 08 2009, 02:09AM
Arcstarter Registered Member #1225 Joined: Sat Jan 12 2008, 01:24AM
Location: Beaumont, Texas, USA
Posts: 2253
Those are some nice HF secondaries, particularly the one at the top cheesey .

They would be good for the 'plasma speaker' kind of things.

This may not belong in the thread, but how much would that much Litz wire cost, for the secondary. It sure looks nice :)
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ragnar
Sun Nov 08 2009, 04:19AM
ragnar Registered Member #63 Joined: Thu Feb 09 2006, 06:18AM
Location:
Posts: 1425
I wound the litz wire for that coil in a long, long room, and only twined enough for this former. Would you like the secondary?
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Arcstarter
Sun Nov 08 2009, 07:42AM
Arcstarter Registered Member #1225 Joined: Sat Jan 12 2008, 01:24AM
Location: Beaumont, Texas, USA
Posts: 2253
Blackplasma wrote ...

I wound the litz wire for that coil in a long, long room. Would you like that secondary?
Oh, no thanks, i just wondered how much litz costs. No need to answer, i can just google.
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