[Milsurplus] [ARC5] Navy Transformer CRV 30810-NOT! Roy's transformer is a CRP-301721...

[Michael Hanz]

I was replying to Roy Morgan's post.  He forgot to change the subject 
line when he wrote his comment, and I compounded the problem by not 
changing it myself.  Mea culpa.

On 1/10/2022 12:44 PM, howard holden wrote:
>
> Actually it looks like a filament trans. Only two secs, and they’re 
> both 10V. The 1780V RMS to ground is prob a high pot rating, not a 
> winding.
>
>
> *From: *Doran Platt <mailto:jeepp at comcast.net>
> *Sent: *Monday, January 10, 2022 7:04 AM
> *To: *Michael Hanz <mailto:aaf-radio-1 at aafradio.org>; Robert Downs 
> <mailto:wa5cab at cs.com>; Roy Morgan <mailto:k1lky68 at gmail.com>; 
> hwhall at compuserve.com
> *Cc: *ARC-5 List <mailto:arc5 at mailman.qth.net>; milsurplus at mailman.qth.net
> *Subject: *Re: [ARC5] [Milsurplus] Navy Transformer CRV 30810
>
> Looks like it would supply HV to a CRT indicator and fil.
>
> KK3HVG
>
>     On 01/10/2022 6:36 AM Michael Hanz <aaf-radio-1 at aafradio.org> wrote:
>
>     It's actually on PDF page 97 of 154.  As you can see, it is for
>     the Navy Model NMC-1 Echo Sounding Equipment, Contract NXss.
>     23136, Submarine Signal Co., Boston, Mass. Feb. 5, 1943.
>
>     On 1/10/2022 1:23 AM, Robert Downs via Milsurplus wrote:
>
>         Roy,
>
>         I would call that an HV x-former, (with filament winding.)  Not a filament transformer.
>
>         Where did you find the -30- listing?
>
>         Robert Downs
>
>         -----Original Message-----
>
>         From:arc5-bounces at mailman.qth.net  [mailto:arc5-bounces at mailman.qth.net  <mailto:arc5-bounces at mailman.qth.net>] On Behalf Of Roy Morgan
>
>         Sent: Sunday, January 9, 2022 22:57
>
>         To:hwhall at compuserve.com
>
>         Cc: ARC-5 List;milsurplus at mailman.qth.net
>
>         Subject: Re: [ARC5] Navy Transformer CRV 30810
>
>         Amazing.
>
>         For many decades I have had here a filament transformer
>
>         CRP· 301721
>
>         And though it does have markings telling the voltages, I was amazed to find it listed in the 30-class transformers listing
>
>         Roy Morgan
>
>         K1LKY since 1958
>
>         k1lky68 at gmail.com
>
>         Western Mass
>
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