Richard, Your (my) formula is wrong.. WW should be WBW. For any piano key FW + BW (Top Action BW) is always the same. If you change reduce FW by an amount the BW will increase by the same amount and vice versa so the calculation of R remains the same... David S ><snip> Changing the Front Weight most certainly and undeniably does >change the (SW) ratio. A most casual of glances at Stanwoods formula >reveals this. Again...this is part of why you will find any direct >translation to another protocoll... the distance one for example... >quite difficult at best. > >Review Stanwoods formula. R = (BW + FW - WW) / SW > >Clearly a change in FW changes the value of the entire left side of >the formula, and hence the equivalent R on the right side. > >Cheers >RicB
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