[R-390] Core Values and the 390 non-A

[Bill Hawkins]

Tom,

I remember threads that said it was perfectly fine to glue
the core bits back together. Use something strong and thin,
like cyanoacrylate 'super glue'. The iron particles are
what matters, not the conductivity of the core.

The only challenge is to keep a common centerline through
the broken bits. Perhaps a temporary paper sleeve would
work.

Regards,
Bill Hawkins


-----Original Message-----
From: r-390-bounces at mailman.qth.net
[mailto:r-390-bounces at mailman.qth.net]On Behalf Of Tom Norris
Sent: Tuesday, March 29, 2005 11:44 PM
To: R-390 at mailman.qth.net
Subject: [R-390] Core Values and the 390 non-A


As I was in the middle of RF alignment I
on my "new" 390 suddenly noticed that things
weren't as linear as they had been earlier.
Chased my tail looking at the mechanical alignment,
but it was fine.

Seems the slug for Z-224, second mixer, was
broken. No binding, no undue lateral movement
in the rack, just poof. It was fine the day before.

While I know '390 cores are a pain to match,
does anyone have a red core? Just lying around....?
Or better yet the coil & the "matching" core?

Thanks in advance

Tom NU4G
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