[ARC5] Type 12 In WWII

[MARK DORNEY]

Ok, that might take care of the receivers. What about the modulator and transmitters?

Mark D. 
WW2RDO

“In matters of style, float with the current. In matters of Principle, stand like a rock. “.   -   Thomas Jefferson 

Sent from my iPhone

> On Jul 31, 2021, at 7:39 PM, Mike Morrow <kk5f at earthlink.net> wrote:
> 
> 
> The 24v dynamotor for the AN/ARC-5 receivers is the DY-2A/ARR-2.  Its nomenclature was first assigned for use with the R-4*/ARR-2 "ZB" homing receiver that was used in most AN/ARC-5 receiver installations.
>  
> There is a 12v version of AN/ARR-2 using the R-3/ARR-2X.  Its dynamotor is the DY-1/ARR-2X.
>  
> Thus, there is a proper military dynamotor that is an exact 12v equivalent of the 24v "command set" dynamotors.
>  
> There are also mechanically and electrically equivent 12v dynamotors from some USN interphone systems that would work well with no modification.
>  
> For the A.R.C. Type 12 (and 11A and 17) there is the D-10(14v) equivalent to the D-10(28v) that fits earlier military receivers.
>  
> Mike / KK5F
>  
> -----Original Message-----
> From: Robert Eleazer <releazer at earthlink.net>
> Sent: Jul 31, 2021 5:52 PM
> To: <arc5 at mailman.qth.net>
> Subject: [ARC5] Type 12 In WWII
> 
> 
> I did NOT say that Type 12 Radios were used in WWII.  I did say that I have Type 12 radios where the DM-32 dynamotor bases were used with the WWII tank radio 12VDC SCR-528/628 dynamotors so that the system could operate on 12VDC.  If they did that in the late 40's then they could have done it with SCR-274-N equipment in WWII.   By the way, I think the tank receivers used 220VDC, but that would have made no difference.
> 
> Wayne
> WB5WSV
>  
> 
> 	Virus-free. www.avg.com
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