Joel Rappaport wrote: > > Greg Newell wrote: > > > > Joel Rappaport wrote: > > > > > > The excessive pedal and trapwork travel is what does it. Additional > > > pieces of hard felt or a new, thicker block of hammer felt glued on top > > > of the trapwork lever will adjust this. > > > > What about retrofitting the style limiter that Kawai uses with the > > inverted capstan to limit pedal travel? Seems like a good idea. > > Adjustable whenever! > > Greg > > gnewell@en.com > ------------------------ > An excellent idea, Greg. All you would need to do is install a capstan > on the underside of the keybed. It should hit some pretty hard felt for > the regulation to be effective and long lasting. The reason I did not > mention this (we do this in our rebuilding, BTW) is that the capstan > will give you a really good fine adjustment to the trapwork lever (and > hence, pedal) travel. What Jim Coleman was referring to, however, was a > pretty severe case of heavy foot. Considering the small area of the > capstan head and the force that is placed on the trapwork lever during > foot stomping, a 3cm (about 1-1/4") square of hard hammer felt will take > that force better. > > Joel Joel, What about using a hex head lag screw or a large flat-headed machine bolt with the business end rounded off on the grinder to give you fine contol as well as a broad contact surface? What'cha think? Warren -- Warren D. Fisher fish@communique.net Registered Piano Technician Piano Technicians Guild New Orleans Chapter 701
This PTG archive page provided courtesy of Moy Piano Service, LLC