Re: Flat Spiral Winding Techniques

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Brian by way of Terry Fritz <twftesla-at-qwest-dot-net>" <ka1bbg-at-webryders-dot-net>

What about using a very slow cure epoxy and putting it on while your winding
and then leave it clamped for a couple days. cul brian f.

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Saturday, March 16, 2002 9:47 PM
Subject: Flat Spiral Winding Techniques


> Original poster: "David Thomson by way of Terry Fritz
<twftesla-at-qwest-dot-net>" <dave-at-volantis-dot-org>
>
> I tried winding a flat spiral coil between two sheets of 1/4" Plexiglas
> yesterday.  The coil wound perfectly.  However, when I tried to heat the
> Plexiglas, the copper wire expanded within the Plexiglas sandwich and the
wires
> made a mess.  Scratch the melted Plexiglas idea.
>
> I'm now making a jig to expedite winding a coil and covering it with
> polyurethane and polymer coating.  I'll let you know how this goes.  So
far the
> best method I have found is to spray the surface being wound with spray
> adhesive (the stuff sold at auto stores for repairing headliners) and
allow the
> coating to dry for two days before winding by pressing the wire on.  After
> winding, I keep the wires held down with bricks and polyurethane a small
> segment at a time, ever other day or so.  The polymer coating on top of
the
> polyurethane makes an excellent dielectric sealer for the coil.
>
> Dave
>
>
>
>