So, if once tightened when the plate is installed, there is no way a plate bolt will need tightening again? Yamaha recommends plate tightening and I have snugged there plate bolts many times...not much of snug, grant you...Steinway's plate screws don't seem to move...her in California anyway... David Ilvedson, RPT Pacifica, CA 94044 ----- Original message ---------------------------------------- From: "Ron Nossaman" <rnossaman at cox.net> To: pianotech at ptg.org Received: 12/29/2008 9:19:17 PM Subject: Re: [pianotech] plate lags, (was persistent customer) >> Geoff Sykes wrote: >>> Keeping them tight all the time is not so important as making sure >>> that they are tight enough over the long haul. >>> >>> -- G >> >> Why? >> >> Ron N >Ok, more to the point, by what mechanism would they get looser >than "tightenable", and why isn't the criticality of >tightening plate screws obvious in tuning stability unless it >isn't in fact critical? >Ron N
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