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Inhaling Epoxy!
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From: D.C. Cox [SMTP:DR.RESONANCE-at-next-wave-dot-net]
Sent: Wednesday, June 10, 1998 12:35 PM
To: Tesla List
Subject: Re: Inhaling Epoxy!
to: Bert S.
Contact 3M (Minnesota Mining & Manufacturing) Co. in Minneapolis, MN. They
have various hi-dielectric electrical epoxies that are suitable for this
type design.
DR.RESONANCE-at-next-wave-dot-net
> From: Tesla List [SMTP:tesla-at-stic-dot-net]
> Sent: Monday, June 08, 1998 8:36 PM
> To: 'Tesla List'
> Subject: Inhaling Epoxy!
>
>
>
> ----------
> From: c604313-at-showme.missouri.edu [SMTP:c604313-at-showme.missouri.edu]
> Sent: Monday, June 08, 1998 1:06 PM
> To: Tesla listserver
> Subject: Inhaling Epoxy!
>
> Hello to all,
> I'm planning on constructing my own secondary coil form. This is
> how:
> First cut out two disks from a piece of ply wood. Separate them
> with braces such that the disks appear to be two end caps of a cylinder.
> Take a thin cotton sheet and stretch it between the two end caps such
that
> the sheet appears to be the sides of the cylinder. Next, coat the sheet
> with epoxy and let cure. wrap on the wire and coat with another layer of
> epoxy. Cut coil from wooden disks and finish of with cotton sheet / and
> epoxy for the end caps.
>
> PROS:
>
> 1) Secondary can be made to any dimensions one chooses.
> 2) Epoxy has strong dielectric strength.
> 3) Coil walls can be made thin.
> 4) Epoxy has very low dissipation factor to RF currents.
> 5) Epoxy is nearly impervious to water moisture.
> 6) Epoxy cures hard yet will not crack.
> 7) Left over epoxy can be used to insulate / adhere other parts of
> the T.C.
>
> CONS:
>
> 1) Expensive.
> 2) Labor intensive.
>
> My question to the group is this: Where might I find a low viscous
> epoxy with good electrical characteristics?
>
> Thanks in advance,
> Bert S.
>
> p.s. Why do we use the Earth as ground?
> Because, it's the biggest thing closest to us.
>
>
>