On Wed, 16 Jul 2003 20:36:55 +0800 Alek Petkovic <vk6apk@eon.net.au>
writes:
> G'day from downunder.
>
> I'm just looking at ebay where a guy is trying to flog a Jennings
vacuum
> variable capacitor. The paragraph below is pasted from his blurb.
>
> "This Jennings capacitor will be shipped in the minimum capacitance
> position ("C-min" position).The "C-min" position is the condition
> where the plates inside the product are completely disengaged (as far
apart as
> possible), and the turning shaft turned fully clockwise. This
positioning
> of the plates provides balance in the bearing system, and will help to
> prevent misalignment of the plates due to excessive shock caused by
> impact during shipping."
>
> Now for the question. Is this really the way it should be done?
Hi Alek,
Yes, it is. Though not for "balance", for the least moment arm on
the "rotor".
Comet & Jennings literature both mention this point.
73 & Good morning,
Marv WC6W
>
> I thought that the opposite was true. That is, it should be shipped
with
> the plates fully meshed, ie maximum capacitance as this lowers the
strain
> on the internal structure when it comes to bumps and jolts.
>
> Any input or even the correct answer would be appreciated.
>
> 73, Alek
> VK6APK
>
> ps: Enjoy your summer. The Old Sol is heading South again and you'll
> soon
> be as cold as I am now.
>
>
>
>
> http://profiles.yahoo.com/vk6apk
>
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