Re: [TCML] High voltage glue and ferrite cores

[Steve Ward <steve.ward@xxxxxxxxx>]

Sounds like super glue (the acrylic based stuff) would do the trick for
you.  Ive used it many times for HV applications.  To be honest, though,
any flyback that isnt properly vacuum potted with the right insulation is
likely to suffer from corona internally.  It may take years (or maybe just
seconds) of occasional hobby use before this corona does its lasting damage
of shorting out your coil.  Making HV transformers corona-free is hard.

TSC is a good ferrite supplier, i use them myself.

Steve



On Tue, Nov 29, 2011 at 9:40 AM, Scott Bogard <sdbogard@xxxxxxxxx> wrote:

> Hi All,
>     Looking for suggestions for a glue that will be high voltage hearty,
> trying to steer away from epoxies, or anything else that must be mixed, or
> melted (tar, wax etc.)  This will be for securing the paper layers of my
> flyback transformer together, I was leaning towards eithor rubber cement or
> even plain elmers glue, but do not know if they will hold up ot HV or even
> small amounts of corona, so looking for suggestions.  It must be cheap, and
> easy, and a relatively fast dry time would be nice, I'd rather not take 40
> days to put together a flyback secondary...  Also I found a potential
> source for ferrite cores, has anybody had dealings with this company?
> http://tscinternational.net/tscstoreUcore.html
> I'm going to try and order tomorrow night and will share my experience if
> anybody is interested, their data sheet says their large U cores are good
> to almost 300 watts...
>
> Scott Bogard
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