[GreenKeys] 28 mini KSR (ugc-20/ugc-77) speed

Tue Sep 26 22:20:27 EDT 2023

So that's what real thing looks like. Thanks Daniel

John, W9DDD

> On Sep 26, 2023, at 6:05 PM, Daniel Jones <djones at k6yic.com> wrote:
> 
> It’s this knob.  The screw treads through the shaft. It the only one I have seen with it still attached.  The long pointer corresponds with the markings on the outer case. I would show those markings but my case is taped up ready to be painted (for the last 4 months hi hi)
> 
> Daniel
> 
> <image0.jpeg>
> 
> www.K6YIC.com
> DJones at K6YIC.com
> HH#11973
> 
>> On Sep 26, 2023, at 14:41, John <w9ddd at tapr.org> wrote:
>> 
>> 
>> The picture in the parts section shows a knob that appears to be twice long as mine and has a screw going through the shaft. I thing the answer might be something that just threads into the shaft.
>> 
>> John, W9DDD
>> 
>>> On Sep 26, 2023, at 3:37 PM, Nick England <navy.radio at gmail.com> wrote:
>>> 
>>> There’s probably a reason 90% of the Compacts that I have come across have a busted or missing speed change knob….
>>> I have a pair of pliers sitting near my compacts. 
>>> 
>>> John, if you can shift OK at the rear linkage, it is probably just a matter of designed-in mechanical disadvantage when twisting the knob/shaft. 
>>> 
>>> $0.02 worth from K4NYW 
>>> 
>>>> On Tue, Sep 26, 2023 at 3:07 PM John, W9DDD <w9ddd at tapr.org> wrote:
>>>> Well I stood on my head and squinted and managed to find a position where I can get a screwdriver onto the second set screw (on the side). Now have both set screws as tight as I can get them.
>>>> 
>>>> It seems to me that it's taking too much force even if I grab the rod at the back end and wrestle it there instead at the knob.  Is it possible I've missed something in the lubrication process?
>>>> ---
>>>> ----
>>>> You said "tomorrow" yesterday.
>>>> 
>>>> The above comments or recommendations are SWAG. Use at your own risk.
>>>> John, W9DDD
>>>>> On 9/26/2023 11:44 AM, John, W9DDD wrote:
>>>>> Well this made me take the cover off of mine.  I think my problem is that I can't get enough bite on the new knob to keep it from slipping.  With the cover off and access internally I can shift all 3 speeds.  The original knob would have a screw going through the hole in the shaft so no slippage problem with it.
>>>>> ---
>>>>> ----
>>>>> You said "tomorrow" yesterday.
>>>>> 
>>>>> The above comments or recommendations are SWAG. Use at your own risk.
>>>>> John, W9DDD
>>>>>> On 9/26/2023 11:03 AM, Nick England wrote:
>>>>>> Here's a video of shifting gears on a 28 Compact - there are very distinct sounds while running and shifting between the three speeds. Are you really shifting to the 45 baud gears?
>>>>>> https://www.navy-radio.com/tty/28-compact-gearchange.MOV
>>>>>> 
>>>>>> Nick England K4NYW
>>>>>> www.navy-radio.com
>>>>>> 
>>>>>> 
>>>>>>> On Sat, Sep 23, 2023 at 9:16 PM Nick England <navy.radio at gmail.com> wrote:
>>>>>>> There are 3 separate pairs of gears that get selected by the lever. So somehow you aren’t really selecting the 45.5 pair. There is no adjusting the speed except by selecting one of the pairs. I’ll take some photos. 
>>>>>>> Nick
>>>>>>> 
>>>>>>> 
>>>>>>>> On Sat, Sep 23, 2023 at 8:15 PM Jeffrey Golas <jeffg at junknet.net> wrote:
>>>>>>>> Hey all, figured Id ask here too. At the ship we have this ugc-77 (low level 28 mini) that has a selectable gearbox (45.5/50/75 baud). Despite putting it on far counter-clockwise position, its stuck at 50 baud and not 45.5. Does anyone know if I can adjust it further to get it back to 45.5?
>>>>>>>> 
>>>>>>>> I guess I should RTFM too.
>>>>>>>> 
>>>>>>>> Jeff KC3GJX
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