[ARC5] R-13 VHF ARC-5 108-135 MHz

[Doran Platt]

I believe that the ARN-30 racks are not directly compatible with ARC-5/274-N equipment.  The rear rack connectors are different and extend out from the rear panel, not that one might be able to re-punch holes and convert.  The early ARN-30 (thru ARN-30C) had R-445 tunable receivers (no dial), the later D series used the R-1021 receiver and a control box with an ARC channelization sequence for the switches. The dual rack was for the receiver and a CV-265A VOR/LOC nav converter.  One of the bugaboos is, of course, channel spacing was 100 kHz in those days, not the current 25 kHz (US airspace).   Finally, I was around when ARC was acquired by Cessna and witnessed the demise of an outstanding company.  "Cessna Crafted" general aviation radios for other than cabin-class aircraft were junk... period.  Talk to the contract avionic guys who had to maintain military T-41's and the like....
Jeep K3HVG

> On June 23, 2020 at 2:13 AM robert meadows <rpmeadow at bellsouth.net> wrote:
> 
>      
>      
>     Post WWII aircraft vhf radio, used a "coffee grinder" tuning control.  Part of the Aircraft Radio Corporation radio line.  ARC was purchased by Cessna Aircraft Co, with ARC/Cessna radios used almost exclusively in Cessna Aircraft for several years.  Didn't keep up, and the ARC/Cessna radios went away.
> 
>     Lots of racks are on ebay for the ARN30/ADf variant: the left side of the rack accepts a standard ARC5 -SCR274N radio, with the right side having two connectors in the back of the rack, for the converter/transmitter, which is the converter for TRANSMITTING the radio compass indicator information.
>      Removed several from Beech 18 aircraft I purchased and scrapped.
>     R
> 


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