[Amps] OEP caps -------------- TSPA -------

[PAUL HEWITT]

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 at lanl.gov>
To: <amps at 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
>
>