toroid transformer question

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Original poster: Mike <megavolts61@xxxxxxxxx>

Hi all,
    I have two small toroid transformers that I'd like to do 
'something' with.  The low voltage side measured 34 - 35 uH 
(approx.  as measured using a really crude home-made inductance meter 
I put together from a kit haha), and the high voltage side measured 
3.33mH for each one.   Now I 'presume' the primaries are really meant 
to be 33uH, for a 100:1 ratio.   I haven't measured the wire guages, 
but the primaries appear to be approx. 18g and the secondaries appear 
to be either 26 or 28g just looking at them compared to some 24g I 
have.  I don't remember the core dimensions and thise are taped but 
they are approximately 2 1/4" OD,  1 1/8"  ID, and about 1 " 
thick  with the windings included.
    So, the big question is,  does anyone have a suggestion for 
using them?   I know from taking one apart back when I got them some 
5 years ago that the cores are ferrite and not banded steel like a 
variac is wound on, so I imagine they can be operated at much more 
than 60Hz.   I may try experimenting with them driven via a 555 
timer/mosfet circuit in a manner similar to a car ignition coil would 
be done.   Has anyone used anything like this to drive a small 
TC?    Give me some ideas please.   I just hate to have them sitting 
around here doing nothing all this time.  I don't know that they'd be 
of any use for a TC,  but any ideas would be much appreciated.  I got 
them cheap at a surplus store in Denver and have carried them to 
Florida and back(to Colorado anyway) without ever having done a thing 
with them...lol   It's time to figure something out, I think.
Thanks,
Mike



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