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Re: depotting



Original poster: "Jonathan Peakall by way of Terry Fritz <twftesla-at-qwest-dot-net>" <jpeakall-at-madlabs.info>

Jimmy,

Yes, they usually have too many turns. I have found that just one or two
primary turns works well for me.

Regards,

Jonathan
----- Original Message -----
From: Tesla list <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Saturday, May 25, 2002 9:22 PM
Subject: Re: depotting


> Original poster: "jimmy hynes by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<chunkyboy86-at-yahoo-dot-com>
>
> why should i wind my own primary? ive een alot of
> websites that say to do that but whats wrong with the
> primary thats already on there? does it have too many
> turns?
>
> --- Tesla list <tesla-at-pupman-dot-com> wrote:
> > Original poster: "rob by way of Terry Fritz
> > <twftesla-at-qwest-dot-net>" <rob-at-pythonemproject-dot-com>
> >
> > Hi Jimmy,
> >
> > Find all of the windings and which pins they connect
> > to using an
> > ohmmeter.  Then ground one pin from each set of
> > windings.  That way you
> > are certain to have the HV ground return grounded.
> > Then wind your own
> > primary with 20-30 turns of wire on the ferrite.
> > After that you can
> > build either the self-oscillating type of driver or
> > the tuned driver.
> > There are schematics all over the web for this type
> > of circuit.  Rob.
> >
> >
> > Tesla list wrote:
> > >
> > > Original poster: "jimmy hynes by way of Terry
> > Fritz <twftesla-at-qwest-dot-net>"
> > <chunkyboy86-at-yahoo-dot-com>
> > >
> > >  i tried using melthene cloride and it didnt
> > really
> > > work, so im going to try using a dmm to find the
> > > primary. but there are 11 pins and 3 wires going
> > in!
> > > where do i start? there are 9 pins in a U shape
> > and
> > > two more on the side,and there is a red and a
> > green
> > > wire going into the base and a wire coming out the
> > top
> > > with a suctioncup. i know the suction cup one i hv
> > but
> > > im confused about the rest. can any one tell me
> > where
> > > to start?
> > > --- Tesla list <tesla-at-pupman-dot-com> wrote:
> > > > Original poster: "rob by way of Terry Fritz
> > > > <twftesla-at-qwest-dot-net>" <rob-at-pythonemproject-dot-com>
> > > >
> > > > Tesla list wrote:
> > > > >
> > > > > Original poster: "rheidlebaugh by way of Terry
> > > > Fritz
> > > > <twftesla-at-qwest-dot-net>" <rheidlebaugh-at-zialink-dot-com>
> > > > >
> > > > > Jimmy: not all potting can be removed with
> > > > solvent. Those that can are
> > > > > usualy soften with Methylene chloride or
> > methyl
> > > > ethyl ketone.
> > > > >    Robert  H
> > > > >
> > > > > > From: "Tesla list" <tesla-at-pupman-dot-com>
> > > > > > Date: Fri, 24 May 2002 19:10:07 -0600
> > > > > > To: tesla-at-pupman-dot-com
> > > > > > Subject: depotting
> > > > > > Resent-From: tesla-at-pupman-dot-com
> > > > > > Resent-Date: Fri, 24 May 2002 19:26:34 -0600
> > > > > >
> > > > > > Original poster: "jimmy hynes by way of
> > Terry
> > > > Fritz <twftesla-at-qwest-dot-net>"
> > > > > > <chunkyboy86-at-yahoo-dot-com>
> > > > > >
> > > > > >
> > > > > > i have a flyback  transformer from an old
> > > > monitor but
> > > > > > i cant see the windings because it is
> > potted.
> > > > what
> > > > > > kinds of solvents are usually used?
> > > > > >
> > > > > > =====
> > > > > > JImmy
> > > > > >
> > > > > >
> > > >
> > > >
> > > > Why do you need to see the windings?  Am I
> > missing
> > > > something here.  I
> > > > use a multimeter.  Rob.
> > > >
> > > > ps.  generally the first thing I do with a
> > flyback
> > > > is to beef up the
> > > > insulation with Silcone RTV.  The electrical or
> > > > marine grade which
> > > > doesn't contain acetic acid.
> > > >