[ARC5] DM-24 Question

Michael Hanz aaf-radio-1 at aafradio.org
Wed Jun 16 22:43:33 EDT 2021


That's a reasonable question, Robert.  Yes, any of the later dynos would 
easily fit in the space available, but if you were averse to drilling 
any new holes in a rarest of the rare BC-224-A chassis, some creative 
design work would need to be accomplished for an intermediate adapter 
plate to serve as a plug and play interface between the two mounting 
schemas.  Not hard to do, but from what I can see there would need to be 
some 5052 aluminum bending in the process.
- Mike  KC4TOS

On 6/16/2021 8:50 PM, Robert Downs via ARC5 wrote:
>
> I could be wrong but I think that the question that Hue was actually 
> asking could have been worded like this:
>
> If someone had a BC-224-A that was missing the dynamotor, will a DM-24 
> fit in place of the missing BD-94?  And if not, what will?
>
> I already know that the RF gain pot for the –B and later is a bit of a 
> chore to make work as it is longer than the more expensive original.
>
> Robert Downs
>
> *From:*arc5-bounces at mailman.qth.net 
> [mailto:arc5-bounces at mailman.qth.net] *On Behalf Of *Michael Hanz
> *Sent:* Wednesday, June 16, 2021 17:51
> *To:* Hubert Miller; ARC5
>
> On 6/16/2021 2:58 PM, Hubert Miller wrote:
>
> Are later models of DM-24 compatible with the first BC-224 of the 
> series, BC-224-A ?
>
> Hue Miller
>
>
> Only electrically, Hue. The original is contained in a stainless steel 
> box.  See https://aafradio.org/flightdeck/1935/BC-224-A.html 
> <https://aafradio.org/flightdeck/1935/BC-224-A.html> for a photo of 
> the exterior of the assembly.  Inside the box is an ancient frame 
> design, with protruding bearing carriers and solid cast end bells.  
> The manual photo shows this:
>


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