[R-390] Rare R-390 radios
Les Locklear
leslocklear at cableone.net
Fri Jul 20 13:54:49 EDT 2007
Helena Rubenstein: The gentleman that originally posted that information is
very credible. They were built by Collins, shipped the naval Security Group
in Bremerhaven Germany. If (they probably were) surplussed out overseas, the
nomenclature tags were usually removed. The modules would have Collins on
them. They are probably out there, but nobody would know about it.
Fowler: When Tom Marcotte spoke with the Plant Manager he commented that
they had particular problems obtaining JAN tubes, in particular 26Z5W's and
3TF7's. Remember, that they were considered "unobtanium" in the late 80's
early 90's. Then the government released surplus tubes and Fair Radio was
selling them at reasonable prices (they went quickly).
They potentiometers were made in Mexico, the meters were A & M Instruments,
the quality of the wafer switches were not as robust as the runs during the
50's and 60's, Dittmore-Freimuth made the mechanical filters (as they did on
many later versions), as well as the ones the built themselves, which were
67 EAC receivers with Dittmore's filters.
I can't say if what they obtained, but can assure you they didn't purchase
any in the crate R-390A's. Even though they were available at various
locations throughout the country. When you bid on a contract the Government
lets, you fill the requirements, and they inadvertently left the R-390A spec
in the bid offering.
Avondale Shipyards probably didn't think to do a search for "in the crate"
R-390A's and put out a request for bids to build five R-390A's. Fowler
Industries was Clavier and prior to that Capehart, so they had experience
building R-390A's and suppling R-390A spare modules (Clavier).
Tom Marcotte can pick it up from here, as that is about I can remember or
verify from back when we did the ER articles.
Les Locklear
Gulfport, Ms.
DX'ing Since '57
http://www.hammarlund.info/
----- Original Message -----
From: "Barry Hauser" <barry at hausernet.com>
To: <paul at pdq.com>
Cc: "R390list" <r-390 at mailman.qth.net>
Sent: Friday, July 20, 2007 9:51 AM
Subject: Re: [R-390] Rare R-390 radios
> Has it been determined that the Helena Rubenstein contract was an urban
> legend? (suburban, rural ?)
>
> I don't want to cast any aspersions on that Fowler #2, but that late in
> the game, it's doubtful that anyone could tool up to make everything from
> scratch. I rather doubt that they hand-carved and wound five PTO's.
> More than likely, when Fowler got the contract for the five destroyers,
> they went shopping, and late-contract, "NOS" and possibly still-crated
> R-390A's were around. There may still be some crated ones, but that's
> also the subject of urban legend.
>
> Again, it looks like the real deal, but I suspect what they consisted of
> were some late contract (EAC '67 or '68) units, which were re-badged in
> the time honored tradition of re-branding tubes -- (the tube number is
> etched in with acid, the brand names were painted on.) They may have also
> tested everything and provided for backup modules and parts.
>
> It's not a big project with R-390A's. There's the front tag and all the
> other ID is rubber stamped or silk-screened on the back panel and the
> modules. In all probability, the original manufacturers worked between
> one another rather than build all the modules themselves -- which I would
> suspect particularly in the late 50's to '61, when the highest number of
> contractors were producing them concurrently, or nearly so.
>
> Also noticeable that the modules in the Fowler have labels rather than
> imprint ID's. At the time, PC's, ink jet and the first laser printers
> were available, as well as computerized typesetting and printer make-ready
> equipment, so that it would be actually easier to make up adhesive labels,
> than rubber stamps or stencils. There are some companies that specialize
> in making paper, plastic and metal labels such as Seton. Maybe the
> minimum order is 100, but for $30K, you can toss 95 away.
>
> This is not to detract from its perceived value, it's still a rare bird.
> But, I doubt if they could be sold to the Navy at $30K each if they had to
> cover the tooling and setup costs spread over only five units. The manual
> shown looks like the '85 Navelex manual I OCR'ed as a starting point for
> the Y2K edition, which by itself doesn't mean anything.
>
> How else would they whip up a batch of 5 -- at all? Any thoughts.
>
> Barry
>
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