[Milsurplus] P.A.R. boat radio

Bruce Gentry ka2ivy at verizon.net
Fri Sep 14 12:02:30 EDT 2018


The styling is great, especially for a small company building rigs from 
surplus and generic parts. I am making an educated guess the receiver is 
powered by a vibrator supply, a 28 volt dynamotor should be able to run 
intermittently for transmitting on 32 volts without any real issues. 
Getting a 32 volt vibrator and power transformer for the receiver would 
have been easy at the time, it was still in wide use in distant "off the 
grid" farm houses as well as yachts.  Many builders of post war private 
aircraft radios used surplus dynamotors. They touted them as being more 
reliable than vibrator supplies, as well as safer because there were no 
contacts to weld.

     Bruce Gentry, KA2IVY

On 9/14/18 1:02 AM, Hubert Miller wrote:
>
> Here's a P.A.R. ( Pan American Radio, Seattle ) early 1950s boat 
> radio. You may even recognize some of the construction components. The 
> transmitter uses
>
> 2 815 valves; one as pushpull modulator, one paralleled as RFPA. 
> Tunable receiver 2 � 6 MHz. I think it's pretty cute. I have 2 others, 
> same radio, but different
>
> power supply. The dynamotor unit does not have any tubes in the 
> housing. This is 32 volt DC operated equipment.
>
> -Hue
>
>
>
>
>
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