Floating plate (was: Re: Yamaha out of tune

[Roger Jolly]

Hi Jon,
       In the case of Baldwin plate system the plate is threaded so the
answer is yes, in the Yamaha case the plate sits on the sleaves and is
locked down with the bolts, 
Roger




At 07:09 AM 30/08/98 -0400, you wrote:
>Wouldn't the plate be acting as a lock nut once the bolt is secured?
>
>Jon Page
>
>At 10:47 PM 8/29/98 EDT, you wrote:
>>
>>In a message dated 8/29/98 10:09:39 PM, nossaman@SOUTHWIND.NET wrote:
>>
>><<This doesn't happen with the floating plate
>>system because the bolt is locked to the plate by the threads and the bolt
>>head. Hope that makes sense. >>
>>
>>Ron; 
>>I understood what you said...does that mean I should start worrying?? :-)
>>
>>As for the quote above, I understand that the bolt and lag are both
locked to
>>the plate via threads on/in the plate/lag but...........it is the lag to rim
>>wood connection that I was thinking of.  Granted there will be little, if
>any,
>>soundboard positioning post (conventional type) movement, as the board
>doesn't
>>touch the plate, but won't there be expansion contraction in the lag/rim
>>connection?  And if there is isn't that the same point as a regular
>>conventional lag develops 'most' of its looseness??
>>Jim Bryant (FL)
>>"expansion is progress..........isn't it?"
>>Faintly Dull
>>
>>
>
Roger Jolly
Baldwin Yamaha Piano Centre
Saskatoon and Regina
Saskatchewan, Canada.
306-665-0213
Fax 652-0505