Killer Octave Question

Greg Newell gnewell@ameritech.net
Wed, 09 Apr 2003 23:31:21 -0400


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Ed,
         This is interesting. I've never heard this take on the problem 
before but it seems logical and worth some consideration. Anyone else have 
thoughts about this particular line of reasoning?

Greg Newell



At 08:43 PM 4/9/2003, you wrote:

>Greetings,
>    The killer octave is usually supported by the section of belly rail that
>is farthest from buttressing.  The normal connection of the plate to the
>belly rail at the plate's "horn" provides resistance to outward movement, and
>the rails connection to the case at the treble end, likewise.  However, the
>ribs that must support crown under the killer octave bear against the
>bellyrail at its greatest unsupported span and it just might be one reason
>that this section of the piano loses its bearing first.  (The rib under the
>C5 on a Steinway O meets the bellyrail approx. halfway between the plate horn
>and the treble end of the rail).
>    Many other reasons could go into the equation, too.
>
>Ed Foote RPT
>www.uk-piano.org/edfoote/
>www.uk-piano.org/edfoote/well_tempered_piano.html
>
>_______________________________________________
>pianotech list info: https://www.moypiano.com/resources/#archives

Greg Newell
mailto:gnewell@ameritech.net 

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