Great, thank you very much. I won´t ask about A1 on a Steinway D. Kristinn Leifsson, Reykjavík, Iceland At 22:42 21.5.2000 EDT, you wrote: >> I don´t have anything specific in mind, just thinking. >> Let´s say size 13 in a Samick 118 cm upright. >> >Don't know anything about the Samick. But let's say 0.88 mm Roeslau wire, >which, according to my chart, has a breaking tension of 2220 MPa. Typical >speaking length is 50 mm at top C. So breaking pitch would be about 4 >semitones higher. Now that is not to say it will break at E above pitch. >The wire will hit the plastic zone first. In old wire the plastic zone is >always *very* close to breaking because of the way it was drawn...not >sure how close they are with modern high carbon steel, which undergoes >many strange processes as it's made. Anyway, you can be reasonably >certain you coudln't exceed e, but probably less. > >Stephen > >Stephen Birkett Fortepianos >Authentic Reproductions of 18th and 19th Century Pianos >464 Winchester Drive >Waterloo, Ontario >Canada N2T 1K5 >tel: 519-885-2228 >mailto: birketts@wright.aps.uoguelph.ca > > >
This PTG archive page provided courtesy of Moy Piano Service, LLC