If you want to critique Id appreciate it if you dont edit my post to suit
your reply.
Carl
----- Original Message -----
From: "Bill, W6WRT" <dezrat1242@yahoo.com>
To: <amps@contesting.com>
Sent: Monday, December 07, 2009 3:42 PM
Subject: Re: [Amps] Advice
> ORIGINAL MESSAGE:
>
> On Mon, 7 Dec 2009 09:30:49 -0500, "Carl" <km1h@jeremy.mv.com> wrote:
>
>>In other cases the spec was written for CCS worse case
>
> REPLY:
>
> I think I have to take issue with this statement. As I see it, the spec
> for max
> temp on tube seals is absolute, based on the differential expansion rate
> of
> metal vs either ceramic or glass. If you exceed it, even briefly, you are
> asking
> for trouble. Doesn't matter if CCS or ICAS, go over the limit and the seal
> will
> likely break and leakage will follow. I understand the spec probably has
> a
> little headroom in it, but if you don't know what it is, it's best not to
> guess
> at it.
>
> I am not a vacuum tube engineer, so this may be taken with a grain of salt
> if
> desired, but it makes sense to me. Comments?
>
> 73, Bill W6WRT
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