This method works great!
Years ago, I worked at a place that made custom jetted tubs, and serviced hot tubs, etc. We would drill the holes for the jets, then install the jet bodies with silicone. After measuring the distance between the fittings we'd cut a piece to length, then place it in an oven at about 325 until it was soft enough to bend. We would quickly apply glue, insert one end then bend it and insert the other end, holding it in place until it cooled enough to stay rigid. We would try to have a little hump in the middle so water would drain out completely. The pipe was then structurally sound and helped to strengthen the acrylic/fiberglass tub structure.
I've seen guys make sheet like you discussed for machining projects, custom boxes, etc. I intend to try it with some C-900 water pipe I have on hand.
Nick A
________________________________
From: Tesla <tesla-bounces@xxxxxxxxxx> on behalf of Steve White <steve.white1@xxxxxxxxx>
Sent: Sunday, December 17, 2017 11:33:11 PM
To: Tesla Coil List
Subject: [TCML] Idea for making PVC sheet
Maybe some of you have already thought of this but here is an idea that I tried that worked for obtaining PVC sheet. As we all know, raw materials are surprisingly expensive. I recently needed a small quantity of Schedule 40 PVC sheet. I looked at the usual sources on-line and didn't like the price. I had a left-over section of 8" PVC pipe from my previous TC secondary. I cut the piece in half length wise. I then placed the two pieces on an old cookie sheet in an oven at a temperature of 220 degrees. After about an hour I noticed that the pieces were visibly sagging. I left them in the oven for another hour for a total of two hours. I then removed them. Using a large C-clamp, I pressed each piece between two 1/4 inch aluminum plates that I had. After cooling, I had two perfectly flat pieces of PVC sheet. You can use this method with any size of PVC pipe.
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