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

[Nick England]

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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