Greeting All,
 
        Thanks Tim. I now found that the Dynamotor That was on the receiver is the wrong one. It's Dynamotor unit " Type D-10A(28V), also marked DY-89/ARN-30. Seems the DC in and High Voltage out are not comparable with the R-19 / R-508/ARC. Not a big deal. I have plenty of transformers that I can build up a supply with the needed Filament and High voltages. Going to clip lead up your schematic and use my bench supplies to see if the old girl comes to life.
 

                                                    Jeff N2LXM
                                          Amateur Radio Operator
                                                      American
                                                        Patriot
                                     Proud Father of Two US Marines
 
On Sun, 30 Apr 2023 09:36:34 -0700 Tim <[email protected]> writes:
It's true..They work just fine "stock"...
I got several requests about the system TX/TX/Control interconnects in the system I built.  So yesterday I added a sketch down at the bottom of my article to show that.  No cutting required!  https://www.n6cc.com/type-12-vhf-am-aircraft-system/
Robert:  The Manual shows which wires were installed at the factory when changing the filament supply voltage design between 12/24V primary.  Similar process as in an ARC-5 receiver.

Have fun!
Tim
N6CC

On Sun, Apr 30, 2023 at 8:38 AM J Mcvey <[email protected]> wrote:
Yeah they really loved to hack stuff up back in the day...

On Sunday, April 30, 2023 at 11:32:48 AM EDT, Tim <[email protected]> wrote:


Step #1 in the Conversion: 
Set the choke on your chainsaw..........insure that you have adequate fuel available.
Ugh..

Tim
N6CC

On Sat, Apr 29, 2023 at 9:11 AM <[email protected]> wrote:
Greetings All,


        Has anyone converted an R-508/ARC using the article in the June
1965 issue of 73 Magazine ?. I would like to get this old girl running so
I can listen in on out local airport Automated weather transmissions.


                                                    Jeff N2LXM
                                          Amateur Radio Operator
                                                      American
                                                        Patriot
                                     Proud Father of Two US Marines

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