Re: plywood capacitor box
Sent: Friday, July 11, 1997 7:40 PM
To: Tesla List
Subject: Re: plywood capacitor box
At 04:53 PM 7/11/97 -0500, you wrote:
>From: Michael Smith[SMTP:md.smith-at-usa-dot-net]
>Reply To: md.smith-at-usa-dot-net
>Sent: Friday, July 11, 1997 3:07 PM
>To: tesla list
>Subject: plywood capacitor box
>Nice to see the list up and working again...The shakes are
>starting to go away now.
>I have a quick question. Can anyone recommend a very good and
>relatively inexpensive coating, like a two part epoxy paint or
>something that would be able to seal up the inside of a plywood
>box used to a capacitor case? I would like to avoid building a
>plastic box if I can.
>I would like to use several coats of polyurethane, then coat the
>inside with something to hold in the oil.
>Anyone have any experience along these lines?
>I have built flat plate cap's using plywoood and evercoat fiber glass resin
and thin layers of glass cloth .Work the same as you were repairing a corvette
body panel. It will seal the sides of the box and make it leak proof.I have
built cap's up to .o4 MFD 20.5kvac and all worked fine.