[Milsurplus] Think I asked this before about an RCH

[Meir WF2U]

Charlie,

I have 2 RCH and 2 SLRF, (1+2 are waiting for bench time to be recapped) and none of them has a reduction drive. 
I think it must have been a good homebrew modification if it looks like an official mod....

73, Meir WF2U
Landrum, SC


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On May 17, 2020, 10:24 AM, at 10:24 AM, CL in NC via Milsurplus <milsurplus at mailman.qth.net> wrote:
>Since the subject of Scotts and their RX's, I have an RCH question I
>may have asked before, but perhaps a knowledgeable RCH fellow was not
>on the list then.  Was there ever a dial drive reduction mechanism
>provided for the RCH series?  The RCH dial is a  metal disk, and on
>mine is a  reduction drive that is switchable, in or out.  When in, a 2
>part metal, spring loaded wheel engages the edge of the metal dial, and
>friction drive rotates it via the gear drive attached to it.  When out,
>it is disengaged to allow the main dial to tune it.  The in/out switch,
>and the vernier tuning knob are concentric to each other. The reduction
>mechanism is a manufactured device with a casting, not a kluge set up. 
>When the drive wheel engages the metal dial, it does it perfectly,  it
>has a detent mechanism that snaps it into position, again perfectly.  I
>have looked at a lot of RCH pics and that extra knob to the right of
>the main tune is on none of them.  The next question, which piece of
>mil
>itary gear, had a mechanism such as this that it could be installed on
>this RCH?  The knobs are gray, a bar knob to engage/disengage, and a
>metal knurled knob about 5/8's diameter for tune.  That installation is
>so good, was thinking it was an official modification, since on the
>other side of the receiver, somebody screwed up the audio selector and
>thought they needed to drill a hole and install a toggle switch, one
>modification excellent, one crap.
>
>Charlie, W4MEC in NC
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