And thank YOU, Bob, for hopefully understanding that my mention of 'scab' operation was indeed that -- under the circumstances I mentioned. I must have misread the intent of your post. Perhaps others did too. Although I've never had the last minute concert situation that Bob [Davis] described, I also consider the scenario he describes as a valid reason for going beyond what is considered "normal" procedures. I would rather have responded on a higher level, such as Bob did. Oh well, maybe my dealer experience will, at a minimum, create food for thought when a technician finds him/herself confronting an old, WHITE piano with mysterious regulation problems. 8-) The important thing is that we understand the concepts involved. Once the concept (action relationships) is grasped, adjusting gliders becomes a matter of selective, situational usage. In retrospect, I think that's what you were fishing for in your post. BTW, I understand that Lloyd (whom I call "Rroyd") Whitcomb is alive and well -- somewhere in Arkansas. Jim Harvey, RPT ____________________________ Reply Separator _______________ However I was surprised to see so little response to such a controversial subject. I do have an understanding of proper "accepted" regulation methods but sometimes we must throw these aside to get the immediate job done. I was first introduced to unusual procedures "privately" by Loyd Whitcomb when I attended Yamaha's Little red schoolhouse in 1987. I at first thought he was joking but since then I heard from concert technicians who also in certain instances used this method. I had thought that this forum would be a proper place to explore all the aspects of this "living on the edge" methodology. Thank you Bob Davis, Vince, and Jim Harvey for your contributions
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