[ARC5] [Milsurplus] Navy Transformer CRV 30810

[Michael Hanz]

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] 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
>
>> On Jan 1, 2022, at 5:30 PM,hwhall at compuserve.com  wrote:
>>
>> https://www.navy-radio.com/manuals/nt/NT-900109-3.30.xfmrs.pdf
>>
>> Page 42
>>
>> SECONDARY 3200 VCT 0.163 AMP WHEN USING HIGH P R I M A R Y
>> 2740 V  0.153 AMP DC WHEN USING LOW PRIMARY
>> 4750 TURNS CT, 0.0159 E WIRE, 233 OHMS DC.
>
> Roy Morgan
> K1LKY since 1958
> k1lky68 at gmail.com
> Western Mass
>
>
>
>
>
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-- 
Michael Hanz - KC4TOS
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