[R-390] EXT: Re: Painting Knobs
Fisch, Michael
mfisch at kent.edu
Sat Aug 17 15:37:33 EDT 2024
Hi,
I had an old can of zinc primer I used when I redid my 390a 15 yeras ago. It is by TEMPO and it was a marine paint, but they have others.
Search tempo primer. Or is it a different primer?
Michael Fisch
AC8PD
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From: r-390-bounces at mailman.qth.net <r-390-bounces at mailman.qth.net> on behalf of Jordan Arndt <Outposter30 at shaw.ca>
Sent: Friday, August 16, 2024 4:53 PM
To: Les Locklear <leslocklear at hotmail.com>; Jacques Fortin <jacques.f at videotron.ca>; 'Barry' <n4buq at knology.net>
Cc: 'R-390 Mailing List' <r-390 at mailman.qth.net>
Subject: EXT: Re: [R-390] Painting Knobs
Thanks for those posts guys...I thought I remembered that at least some of
the knobs I had done in years gone by had yellow primer. It's whats on the
inside of of the frequency dial cover. IIRC...
FWIW, I had good luck with heating the knobs to ~300F before applying the
primer, then checking for coverage voids and then baking the primer on at
300F for 30 minutes, then repeat for the color coat. I believe I used an
automotive primer for zinc plated parts.
73...Jordan VE6ZT
----- Original Message -----
From: "Les Locklear" <leslocklear at hotmail.com>
To: "Jacques Fortin" <jacques.f at videotron.ca>; "'Barry'" <n4buq at knology.net>
Cc: "'R-390 Mailing List'" <r-390 at mailman.qth.net>
Sent: Friday, August 16, 2024 1:36 PM
Subject: Re: [R-390] Painting Knobs
Like a lot of things, it has probably been banned. Many years ago, when I
was a service manager for an automotive dealership we used it to combat
corrosion problems on battery terminal posts. Clean them, spray with zinc
chromate primer…end of problem. Most of the R-390’s I’ve seen have yellow
( zinc chromate primer) as a base for painted parts. The batteries these
days don’t seem to have the same problems. Hey, I’m old this was over 50
years ago in the early 70’s. I still have a rattle can of it. Does it work?
I don’t have a clue or an R-390 series receiver anymore. I just read for
memories from old friends.
Les Locklear
Sent from my iPad
________________________________
From: Jacques Fortin <jacques.f at videotron.ca>
Sent: Friday, August 16, 2024 2:25:23 PM
To: 'Les Locklear' <leslocklear at hotmail.com>; 'Barry' <n4buq at knology.net>
Cc: 'R-390 Mailing List' <r-390 at mailman.qth.net>
Subject: RE: [R-390] Painting Knobs
Yep, it was the name of the yellow stuff that can be found years ago.
Does not seems to be available anymore on this side of the border however...
73, Jacques, VE2JFE in Montreal
Zinc Chromate Primer. It's available in rattle cans.
Les Locklear
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