[MRCA] [MMRCG] BC-652 Video

[Tim]

Dynamotor whine - the Song of our People ...

(You do really nice videos Ray!)

Tim
N6CC

On Wed, Jul 3, 2024 at 6:47 AM Ray Fantini via groups.io <RAFANTINI=
salisbury.edu at groups.io> wrote:

> Some of you may be aware, or maybe tired of hearing about the 1941 BC-652
> receiver that I have been playing around with. This radio was part of the
> Joe Munson estate and although he had it in his collection have no reason
> to believe that he had anything to do with the extensive hacking that had
> taken place prior to me picking it up. Think it was something he picked up
> at some point and just threw into the pile. The receiver was missing
> everything on the top deck and had one of the worst AC power supplies
> installed that I have seen. It also had several shorted or extremely leaky
> capacitors in the screen and plate bypass sections that had to be changed
> and thanks to John K4OZY I was able to get a NOS dynamotor so I was able to
> install that and now the radio is set up for field operation from twelve
> volts DC I had played around with a lot of solid state inverters but when
> the opportunity turned up to install a dynamotor and being that I have
> never used one before on one of my projects decided to go ahead and deal
> with the high current demands, vibration issues and all the other stuff
> that comes along with that technology. This receiver sucks down almost six
> amps with three just for filaments and another two or three for spinning
> the dynamotor. But you have to admit that just seeing it up on top spinning
> is sexy.
>
> You can see the video and judge for yourself at:
>
>
>
> https://www.youtube.com/watch?v=nLIwxZaF61k
>
>
>
> Ray F/KA3EKH
>
>
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