>...I know one way of testing is to let the hammer free fall 4-6 >times, but would like to use the guage since i have it. What amount of >variance in gram weight resistance is acceptable?... > >Eliot How about using the free fall (swing) test on several hammer assemblies to suit your taste, then measure the gram weight resistance on those to use as a general guide line, checking from time to time to verify the results? Keith McGavern kam544@earthlink.net Registered Piano Technician Oklahoma Chapter 731 Piano Technicians Guild USA
This PTG archive page provided courtesy of Moy Piano Service, LLC