For someone not well versed in maths but competant with a computer spreadsheet, what is meant by "quadratic solver to derive the deviations and plug those values into a spread sheet and that produces a set of hammer and later key weights" Brian Lawson, RPT Johannesburg, South Africa > The chart from David makes it easy to weigh out. I use a > quadratic solver to derive the deviations and plug those > values into a spread sheet and that produces a set of hammer > and later key weights. > > > > So the Stanwood Precision TouchDesign is really only meant for pianos that > > > can't be properly regulated? > > Newton
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