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

Tue Sep 26 16:28:24 EDT 2023

Hi Eugene.
The regular 28KSR 3-speed and the 28-Compact 3-speed are quite different
beasts. So don’t try speed-shifting on yours!!

On Tue, Sep 26, 2023 at 3:22 PM W2HX <w2hx at w2hx.com> wrote:

> Admittedly, I haven’t followed this thread very carefully. And maybe this
> information isn’t pertinent but, on my M28KSR with the 3 speed gearbox, I
> cannot switch speeds while the motor is running. I have to stop the motor
> and just before it comes to a halt I can change the gear lever. Actually,
> its easier just to wait for it to stop and move the motor by hand as I
> change the gears. Again, this could be totally irrelevant to this
> discussion but I thought I’d mention it.
>
>
>
>
>
> 73 Eugene W2HX
> Subscribe to my Youtube Channel: https://www.youtube.com/@w2hx/videos
>
>
>
> *From:* greenkeys-bounces at mailman.qth.net <
> greenkeys-bounces at mailman.qth.net> *On Behalf Of *John, W9DDD
> *Sent:* Tuesday, September 26, 2023 3:08 PM
> *To:* greenkeys at mailman.qth.net
> *Subject:* Re: [GreenKeys] 28 mini KSR (ugc-20/ugc-77) speed
>
>
>
> 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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