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

[Tom Norris]

It seemed to do well, can't really tell where the break
was. I was just concerned about the longevity of the
repair and that 390 non-A parts seem to be much more
scarce lately.

Tom

>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-----
>Sent: Tuesday, March 29, 2005 11:44 PM
>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