---------------------- multipart/alternative attachment WHAT A HAT!! & SHOES TO MATCH!! On Friday, May 9, 2003, at 10:43 AM, Richard Brekne wrote: > He touchweight enthusiasts. > > John Hartman will appreciate this one. This is from a Petrof=A0 9 foot=20= > concert grand. Both top and bottom plates make for a really stiff key.=20= > I put a 3 mm diameter rod=A0 under it and had to really press hard to=20= > show any real bend. I will contrive a measurement for this over the=20 > weekend. Clamp one end down and put 10 kilos on it and measure the=20 > give at the key front.... or something like that. > =A0 > <image.tiff> > =A0 > > Also of note on this piano, the keys are graduated in length and ratio=20= > with the longest and lowest KR at the bass. KR starts at 5.3 and ends=20= > up at 5.6. After taking a few samples this looks rougly to yeild a SW=20= > Ratio starting at 5.68 in the bass and ending up at 6.0 in the treble.=20= > Interesting. I'll have more on this on Sunday or Monday. > > Cheers > RicB > > -- > Richard Brekne > RPT, N.P.T.F. > UiB, Bergen, Norway > mailto:rbrekne@broadpark.no > http://home.broadpark.no/~rbrekne/ricmain.html > http://www.hf.uib.no/grieg/personer/cv_RB.html > =A0 > > <C:DOCUME~1RICHAR~1LOCALS~1TempnsmailQQ.jpeg>= ---------------------- multipart/alternative attachment A non-text attachment was scrubbed... Name: not available Type: text/enriched Size: 1249 bytes Desc: not available Url : https://www.moypiano.com/ptg/pianotech.php/attachments/18/fb/6b/b9/attachment.bin ---------------------- multipart/alternative attachment--
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