Re: [TCML] OBIT Questions

[Yurtle Turtle <yurtle_t@xxxxxxxxx>]

You can also melt it. I've used an oven with good temperature control, and also have used a heat gun. Others have used a BBQ grill. Either way is slow and messy, but you'll still end up soaking to remove the remaining tar.

Adam

--- On Tue, 11/4/08, Phillip Slawinski <pslawinski@xxxxxxxxx> wrote:

> From: Phillip Slawinski <pslawinski@xxxxxxxxx>
> Subject: Re: [TCML] OBIT Questions
> To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
> Date: Tuesday, November 4, 2008, 8:20 AM
> Petroleum-based solvents work best for this.  I used
> kerosene when I
> depotted NSTs.  I would suggest using the same method that
> Jay Haddock
> mentioned.  Put the transformers in the freezer and then
> use a hammer and
> chisel to chip away the asphalt.  If the windings are
> brittle enough to
> break while you're chiseling away the asphalt then you
> probably don't want
> anything to do with the transformer anyways.  After you
> chisel away the
> asphalt dunk the transformer in a tank of kerosene and
> start scrubbing.  For
> best results let the transformer sit in the kerosene for a
> few days.  It's
> not really important that you remove all the asphalt,   By
> the way, it's
> best to do this outdoors, and away from anything you care
> about.  You'll
> want to wear old clothes as well, as asphalt doesn't
> easily come off shirts,
> pants, etc.
> 



      
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