At 08:19 AM 11/9/2000 -0800, Del wrote: > > And what is the wavelength for 27 hertz? I was once told it is about 27 > > feet. Difficult to design a piano that large. > > > > Regards, > > Don Rose, B.Mus., A.M.U.S., A.MUS., R.M.T., R.P.T. >In air at sea level and at freezing the speed of sound is approximately 331 >m/sec or approx. 1090 ft/sec. It increases as temperature increases. Using >this figure, the wavelength at 27.5 cps is 12 m or 39.6 ft. > >Other than being of academic interest, however, this knowledge is of little >importance in designing a piano. The implication is that it would be >desirable for the piano to have a bass string designed of that length; >something I would take issue with. Where would you PUT a 40 foot long piano anyway? B-}) Wouldn't the implication actually be that you'd need to be 40 feet away from that frozen sea-level piano to hear that note properly? John John Musselwhite, RPT - Calgary, Alberta Canada http://www.musselwhite.com http://canadianpianopage.com/calgary email: john@musselwhite.com http://www.mp3.com/fatbottom
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