LF: Re: 12in Pipe

To:	[email protected]
Subject:	LF: Re: 12in Pipe
From:	"Julian Hardstone" <[email protected]>
Date:	Mon, 2 Jul 2001 00:35:05 +0100
References:	<3B3B1418.21239.91CEAE@localhost> <001001c10065$b8b8cbe0$5b1b6cd5@default>
Reply-to:	[email protected]
Sender:	<[email protected]>

ByTheWay, un-plasticised PVC has ideal dielectric properties for HF and
below. I once wound similar coils on two formers, one of UPVC and one of
stout cardboard, and measured the Q (at ~3MHz IIRC). The UPVC was much
better, with a good value.
Any takers?

A factory renovation has resulted in some 315mm dia. UPVC pipe, with 6mm
wall thickness, being thrown out. If anyone wants some for a coil former,
let me know quickly, before the skip goes. Will saw to length, you will

have

to pay post or collect.

Julian G3TFR, Stockport.

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