[R-390] Collins trim cap settings..?

[Larry H]

I believe that is correct, Jordan.

Regards,  Larry

On Mon, Dec 6, 2021 at 5:17 AM Jordan Arndt <Outposter30 at shaw.ca> wrote:

> Thanks Larry...
>
> For further clarity, if the adjustment slot is at 90 degrees to the front
> panel, the cap should be at mid-range...
>
> The reason I'm asking is that I've read of a number of different ways to
> set T401 and then the trimmer caps, and I'm hoping to find a standardized
> method.
>
> Even the method I've used for years doesn't work on the S-W I'm working on
> now, so I'm trying to find if there is an actual fault in it or simply a
> mis-adjustment...
>
> Thanks again and 73...Jordan...
>
> ----- Original Message -----
> *From:* Larry H <larry41gm at gmail.com>
> *To:* Jordan Arndt <Outposter30 at shaw.ca>
> *Cc:* R-390 Forum <r-390 at mailman.qth.net>
> *Sent:* Monday, December 06, 2021 6:04 AM
> *Subject:* Re: [R-390] Collins trim cap settings..?
>
> Hi Jordan,  If you are looking at the 2nd osc unit with the trimmers
> closest to you (normal installed position) and the tuning tool slot is
> running left and right (parallel to the front of the unit), the trimmer is
> adjusted in the minimum or maximum  position.  So, if the tuning tool slot
> is parallel to the sides of the unit (running front to back), it is set at
> half value.
>
> Regards, Larry
>
> On Mon, Dec 6, 2021 at 4:43 AM Jordan Arndt <Outposter30 at shaw.ca> wrote:
>
>> Hi group...
>>
>> I hope this request will make sense to some of you all...
>>
>> I recall that there is a way to determine how to set the trim caps for
>> mid-range by the position of the capacitors value printed on the rotor,
>> but
>> I don't recall how exactly.
>>
>> It has something to do with the position of the printed value on the cap
>> in
>> relation to the "band" printed next to the adjustment opening for each
>> cap.
>>
>> Does anyone know how to make that determination...?
>>
>> I'm hoping so..!!
>>
>> 73..Jordan VE6ZT
>>
>>
>>
>>
>>
>>
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>