Re: Transformer oil

• To: tesla-at-pupman-dot-com
• Subject: Re: Transformer oil
• From: "Roderick Maxwell" <tank-at-magnolia-dot-net> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Thu, 02 Dec 1999 12:30:06 -0700
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

> >
> >   I still here even though I have not posted any messages for some time.
> I have
> > been lurking around in the background.
> > I am still winding the secondary for my big brute of a transformer. The
> > secondary will weigh over 40lbs. The core and primary weigh around
90lbs!
> I
> > have been reading the posts on transformer oil, and I wondered if
> transformer
> > oil would have any effect on the mylar interlayer insulation I'm using?
>
> Hi Max,
> My transformer guru,(been designing transformers for 40 years) so should
> know what he is talking about says, don't use Mylar in high voltage
> transformers. The reason is that when it gets hot it turns into carbon,
not
> what you want in a high voltage transformer!! He says the best thing to
use
> is electrical grade Kraft paper. apparently the wrapping paper grade has
> acid in it.
>
> hope this helps
>
> bob Golding
>
>

    Much too late to change interlayer insulation now with 23 layers
allready on the bobbin!

                                                    Frankensteins Helper
                                                                   Max

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