Plexi vs PVC
Subject: Plexi vs PVC
From: richard.quick-at-slug-dot-org (Richard Quick)
Date: Thu, 14 Dec 1995 00:10:00 GMT
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* Carbons Sent to: p.l.mason-at-bath
> I have been wanting to build a 6" coil using a length of pvc
> which I have had for some time. However, RQs instructions
> suggest that a) PVC is a poor choice, b) a lot of drying and
> sealing is required.
> I have access to a 5.25" length of plexiglass tube. Whilst the
> diameter is smaller, would I still get a coil which will be
> expandable (ie. usable with bigger power supplies)?
Yes, you can load a hefty toroid on a 5.25 inch coil and pump a
few kVA through it.
> Also (to Richard mainly), if I use plexiglass, what shortcuts
> if any can I take with drying and sealing?
All of the shortcuts. All you have to do is wind on the wire and
slop a couple of coats of sealer on top. There us usually no need
to sand, wash, dry or seal before winding. I just wipe down with
a clean cloth dampened with a little alcohol to remove dirt and
oil. As soon as the alcohol evaporates (about 30 seconds) you are
ready to wind.
... If all else fails... Throw another megavolt across it!
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