Re: Temperature to melt NST tar and sonotube forms (fwd)
---------- Forwarded message ----------
Date: Wed, 14 Jan 1998 17:43:46 EST
From: Homer Lea <HomerLea-at-aol-dot-com>
Subject: Re: Temperature to melt NST tar and sonotube forms
In a message dated 98-01-14 14:41:20 EST, you write:
> RE Sonotube forms and puncturing -- While I did not have an arc strike the
> side of the tube, I did experience dielectric breakdown between the coils,
> and had arcs inside the tube between windings. Yes, something was
> probably wrong, but this was my first coil and I was bummed that it blew
> that easily. I also had not urethaned the form beforehand though.
the trouble with sonotubes is that they are not made from pure or top quality
materials and could possibly contain small metal fragments that might account
for your accs 'INSIDE" the tube.