[R-1051] R-1051 variant summary

[Nick England]

Thanks, Dennis - I'll keep posting additional info as I come across it - I 
still need more photos to show differences between the various models, etc..
cheers,
Nick K4NYW
www.virhistory.com/navy

----- Original Message ----- 
From: "Dennis Gibbs" <r390a at verizon.net>
To: <r-1051 at mailman.qth.net>
Sent: Wednesday, February 04, 2009 6:30 PM
Subject: Re: [R-1051] R-1051 variant summary


> Nick,
>
>
>
> Many thanks for these photos and all the information!
>
>
>
> Over a year ago, I purchased an R-1051G from Ebay.  When I received it, I
> thought that perhaps some of the modules had been swapped out with those
> from an earlier version.
>
>
>
> For some reason, I thought the later variants, the 'G' and 'H' models, had
> eliminated the two tubes in the front end.  According to your list, this
> appears NOT to be the case, as my 'G' model does have the two tubes.  I 
> did
> check the six-pack module - After removing the lid, it contained the 
> circuit
> boards mounted, similar to the ones in the pictures on your website.  The
> date codes on a couple of the ICs was the year 1979, which matches the
> contract date on the tag on the front panel.
>
>
>
> My R-1051G has a mended metal chain - obviously repaired, but it appears 
> to
> be a pretty good repair.  This is probably a desirable upgrade.  I wonder 
> if
> the only change in this area was the move to a plastic chain - if they
> cheapened any of the pulleys/sprokets the chain rides on, perhaps the 
> metal
> replacement may not be such a good idea.
>
>
>
> Anyway, mine works well, and thanks to your information, it appears I have 
> a
> mostly original R-1051G.
>
>
>
> Dennis
>
>


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