[ARC5] ARC-5/R-25 tuning gang question

DSP3 jeepp at comcast.net
Sat Jan 30 07:28:52 EST 2016


Hmmmm  I'm looking at one of the tuning caps and I count 10 plates?  Are 
we talking about the same thing?

Jeep - K3HVG

On 1/29/2016 9:29 PM, J Mcvey via ARC5 wrote:
> I just got into this decent R-25 specimen, which had been partially 
> hacked under the chassis,. The Audio output transformer, 7K/10W, and 
> the LV Choke had been removed and they have "cored out" the cable 
> mount assembly to accommodate one of those "Ebay adaptor shafts". ( 
> very unfortunate!) However It looks NOS, otherwise.
> One of the other things that was strange was that the 1st and 3rd IF 
> cans were missing the mount screws and the hood over the gang cap was 
> loose.
>
> *When I pulled the hood off, there were only three blades on each 
> rotor shaft. Is this normal or was this a hack job?*
>
> I don't know if it works yet, because the RF stage is 
> noisy/oscillating or something ( no antenna). The RF stage apears to 
> be at least partially functional since I get a noise bump when I touch 
> the antenna terminal. The noise goes away when I pull the grid cap. 
> The other odd thing is that I don't hear much activity when I touch 
> the open grid cap.
> It may just be bad caps...
>
>

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