RE: spray enamel vs shellack

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "david baehr" <dfb25@xxxxxxxxxxx>


I used to coat my coils, I didnt on the last two I wound , no problems so 
far . ;-)




>From: "Tesla list" <tesla@xxxxxxxxxx>
>To: tesla@xxxxxxxxxx
>Subject: RE: spray enamel vs shellack
>Date: Fri, 06 May 2005 12:18:13 -0600
>
>Original poster: "Mark Dunn" <mdunn@xxxxxxxxxxxx>
>
>
>Steve:
>
>Most of the sprays must be recoated in 1 to 2 hours or you must wait
>48
>to 72 hours.  Otherwise, the surface will alligator.  I leave my
>coil
>and coil form on my winding device and build up coats of minwax
>polyurethane with a foam brush while rotating the winding device.  I
>can
>apply an even coat like this in a matter of minutes.  Then, I wrap
>the
>brush in aluminum foil and a zip-lock bag and put in the freezer.
>The
>polyurethane dries in 1 to 2 hours and I can recoat.  I build-up 50
>or
>more coats, but others on this list have indicated that is not
>necessary.  In my case, I use recycled wire so I have soldered
>splice
>joints that sometimes stick out a bit so part of my reasoning is to
>build up thick enough to cover this.
>
>Mark
>
>
>Would spray enamel be a suitable replacement for shellack to coat
>the
>secondary if my Tesla Col?
>
>Steven Steele
>
>