Hm. Interesting....Every time I've replaced friction tuners with those particular Grover geared tuners (stewmac.com is where I get them: http://www.stewmac.com/Hardware_and..._Machines/Grover_Ukulele_Tuning_Machines.html) I've had to also ream out the peg hole on the headstock. On these OU's there's a thickened solid ring around the peghole itself, which I suspected would disappear if reaming that hole out....not good.FYI, Outdoor emailed me back saying that yes, the headstock on my OU v1 is hollow, as are the newer ones, and they don't use any special backing plates or fasteners to secure the geared Gotohs they use now. If changing mine to the same geared Gotohs they use, they advised proceeding slowly when drilling the mounting holes, to avoid cracking anything. If I try it, I'll use a drill bit slightly smaller than the Gotoh mounting screws. Another benefit will be that the tuning pegs will be a bit further away from the nut. The location of the friction tuners now can sometimes crowd your hand on some cowboy chords...oh, that's all I know so far!
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I was thinking there were also thickened little rings molded in where the set screws went on the new OUs...I may be wrong about that last thing...but as for the first thing I said about the reaming, it has always been that way when going from friction to those Grover gears....I'm skeptical about it really working...
EDIT: Okay wait I found one friction peg that requires the same peghole: http://www.stewmac.com/Hardware_and...over_Champion_Dulcimer_Uke_Friction_Pegs.html
If that's the one they used originally maybe it woud work. The others definitely use smaller pegholes.
Hm. Interesting. If it will fit, I'd still suggest putting some Loctite on the set screws as they go in at least. they won't have anything to grab onto and could easily strip.
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