[Boatanchors] Collins 51J-4 ferrite tuning cores

[David Knepper]

There is a 51J-4 on the CRA website in the Album section.


David Knepper, W3ST/W3CRA
Secretary, Collins Radio Association 
Publisher of the Collins Journal
www.collinsra.com
Join the CRA
----- Original Message ----- 
From: "Dave Brown" <tractorb at ihug.co.nz>
To: <boatanchors at mailman.qth.net>
Sent: Friday, July 30, 2010 7:12 PM
Subject: Re: [Boatanchors] Collins 51J-4 ferrite tuning cores


> John
> One like this? Been trying to find out more about these.
> DaveB, NZ
> http://homepages.ihug.co.nz/~tractorb/beckman/beckman1.jpg
> 
> 
> ----- Original Message ----- 
> From: "John Flood" <kb1fqg at yahoo.com>
> To: <boatanchors at mailman.qth.net>
> Sent: Saturday, July 31, 2010 2:43 AM
> Subject: [Boatanchors] Collins 51J-4 ferrite tuning cores
> 
> 
> Greetings,
> 
> Last night I started working on a 51J-4, actually its a Beckman labled 
> unit.
> There are three broken ferrite tuning cores. One in the KC deck and 
> two in the
> MC deck. Are these all physically the same or is each core designed
> differently? Anyone have some available for sale or trade? I think I 
> will need
> more than three as I have another 51J-4 with a couple of broken cores
> thats stashed away as well.
> 
> John Flood
> KB1FQG
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