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Thread: UPT tuners

  1. #1
    Join Date
    Aug 2017
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    Utah
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    Default UPT tuners

    I just got a ukulele with Gotoh UPT tuners. Most of my ukuleles have had guitar style geared tuners. I have one other uke with old style friction tuners. The old style ones are pretty tight to turn, one little squeeze usually does it, if they need any adjusting at all. Is it a good idea to tighten the screws on the ends of the UPTs? Once the new strings settle in, will tightening the screws help them stay in tune better? Or should I leave them alone?
    Thanks
    My ukulele family.....
    Imua iSN soprano
    Islander Acacia laminate soprano
    KoAloha concert - circa 2006
    Loprinzi cedar & rosewood concert
    Gary Gill concert scale tenor, Douglas Fir & Mahogany

  2. #2
    Join Date
    May 2011
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    Default

    I regularly install new UPTs and find that I usually have to tighten the screws to keep them from unwinding. No need to overdo it, just enough to make them hold.

  3. #3
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    Default

    Leave them alone. UPTs may look like friction tuners, but they are completely different. They are geared tuners, and the screw on the end does nothing more than hold the button on.



  4. #4
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    Rich, this surprised me so I took a new set off the shelf and tested one. It's true that tightening the screw doesn't seem to have a linear effect upon tightening of the shaft and gets it only so tight and but loosening it past a certain point allows the shaft to turn nearly freely. Interesting. My guess is that RafterGirl will be fine if she tightens the screws a bit.

  5. #5
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    Actually, I stand corrected. While the screw does not serve the same purpose as it would in friction tuners, I've found several sources (including Japarts and HMS) that advise snugging the screw after installation to guarantee proper operation of the gears. As saltytri observes above, it isn't "tighter=works better," but rather "too loose=won't work."



  6. #6
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    Well, Rich, thanks for teaching me that there's no point in reefing down on the screw! I'll take it easy from now on.

  7. #7
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    Bowral NSW AUSTRALIA
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    Good advice, I'll keep the jackhammer away from mine too!
    All the best,
    Campbell


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  8. #8
    Join Date
    Apr 2015
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    I had trouble keeping mine to stay in tune as well
    Downupdave came over with a screw driver and fixed the problem by tightening the screw!
    Brenda

    Please participate in our Mike Lynch tribute thread :
    http://forum.ukuleleunderground.com/...Tribute-Videos

  9. #9
    Join Date
    Aug 2017
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    Utah
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    OK, so it sounds like a little tightening is ok, but don't do too much. Too loose is bad. Thanks everyone. I put new Living Waters strings on earlier in the week and they are settling in as expected, except the A string always is more out of whack that the others.
    My ukulele family.....
    Imua iSN soprano
    Islander Acacia laminate soprano
    KoAloha concert - circa 2006
    Loprinzi cedar & rosewood concert
    Gary Gill concert scale tenor, Douglas Fir & Mahogany

  10. #10
    Join Date
    Feb 2008
    Location
    Big Island, Hawaii
    Posts
    5,113

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    Out of the box I find that UPTs require about one half turn or so of the screw depending on the strings used.
    Chuck Moore
    Moore Bettah Ukuleles
    http://www.moorebettahukes.com

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