Don - On the one point in your interesting post that I've copied below, I would relate what I thought to be the (or 'a') problem in those earlier parts: the arc inscribed (is that what I mean?) by the top of the jack was not congruent with the profile of the top of the rep lever. As the jack displaced forward, as in the step of winking jacks, it would drop below the horizon of the rep lever, causing no discernable hammer movement. If you were to regulate it to show such movement, the jack would have trouble re-setting under the knuckle. The other problem, I think was that the rep lever pinning was very light, but what, at the time I thought was a lack of friction relating to the teflon spring adjusting screw was probably, in fact, what you described in the rest of your post, about the changing spring-arm length. David Skolnik At 10:51 PM 6/22/2010, Don wrote: >John, ... > > >...I didn't care for the >touch, and felt that the repetition was not as good unless the springs were >regulated strong enough to make the hammer rise quite fast. The hammer lift >was then bothersome during soft playing at times, detectable by the player. > > >Don Mannino
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