Yes it would appear this morning that we were saying the same thing. You caught me napping on interpretation skills. >Overs Pianos wrote: > >> >Ron Overs wrote: >> > >> >Another thing while I have your >> >ear Ron... In taking up and down weight measurements, it's almost always >> >apparent that the lower half of the hammer travel needs more weight >> >for DW (and >> >less for UW) then the upper half. >> >> This hasn't been our experience. As the jack/roller contact is >> further away from the line of centres at rest. As the key dip >> progresses the contact will move closer to the line of centres >> thereby reducing the difference between up/down weight. However, some >> actions do have problems with the angle of the balance pin relative >> to its balance pin hole. This is a common cause of increased down >> weight at the lower end of the key dip. A higher repetition lever >> tension will also give the player a feeling that the down weight is >> heavier at the bottom of the key stroke. > >I think we are thinking opposites here... I read your reply as saying you >experience the same thing... tho I described it in terms of the lower half of >hammer travel, and you describe the lower half of key travel... >also... my lower >half of hammer travel should be the upper half of key travel.... >described in terms >of key travel I would have said that "at the begginning of the key >stroke you need >more DW then at the end" in taking these measurements... yes ?? Indeed. Doesn't this sometimes happen that the interpretation of a phenomenon gets confusing to us if we hear it explained in a way with which we are not familiar? >That being said.... this balance rail pin problem you mention... >would that be if >the pin is angled back away from the key front a bit then ? Yes, it seems to be quite common. > > >grin... btw I thank you for the "he's nuts" compliment. I strive >very hard at >that you see... > >Cheers > >RicB > >-- >Richard Brekne >RPT, N.P.T.F. >UiB, Bergen, Norway >mailto:rbrekne@broadpark.no >http://home.broadpark.no/~rbrekne/ricmain.html > > >_______________________________________________ >pianotech list info: https://www.moypiano.com/resources/#archives -- _______________________ OVERS PIANOS - SYDNEY Grand Piano Manufacturers Web: http://overspianos.com.au mailto:info@overspianos.com.au _______________________
This PTG archive page provided courtesy of Moy Piano Service, LLC