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Re: [Amps] OEP caps -------------- TSPA -------

To: <amps@contesting.com>, "John T. M. Lyles" <jtml@lanl.gov>
Subject: Re: [Amps] OEP caps -------------- TSPA -------
From: "PAUL HEWITT" <wd7s@att.net>
Date: Tue, 31 Aug 2004 19:20:24 -0700
List-post: <mailto:amps@contesting.com>
Hi John
I had Cardwell make up a custom split-stator tune cap for me earlier this
year and all was well then.
73, Paul

PAUL HEWITT
WD7S PRODUCTIONS
QRO HOMEBREW COMPONENTS
http://wd7s.home.att.net



----- Original Message -----
From: "John T. M. Lyles" <jtml@lanl.gov>
To: <amps@contesting.com>
Sent: Tuesday, August 31, 2004 10:48 AM
Subject: [Amps] OEP caps -------------- TSPA -------


> I wonder why OEP chose glass epoxy for the coil form, when there are
> easier to turn materials such as UDEL polysulfone that are extremely
> RF tolerant and heat tolerant. After all, they did use ULTEM which is
> another miracle polymer of recent vintage. Besides having lousy loss
> tangent at 1 MHz and up, Nylon also absorbs moisture, as does Delrin.
> Thanks for the tip about OEP products though. Does anyone know if
> Cardwell is still making capacitors and large coils too?
>
> 73
> John
> K5PRO
>
>



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