I've had this happen recently too, David - on an M&H A. I was similarly confused and have yet to come up with an answer. I only did Stanwood and the 6mm dip gauge. What is the lever arm formula you use? William R. Monroe On Tue, Jan 15, 2013 at 7:56 PM, David Love <davidlovepianos at comcast.net>wrote: > When analyzing actions I've used both the gauge for measuring key travel > versus hammer travel as well as the actual measuring and multiplying out > the > three separate lever arms. So far, they've been fairly close. However, > today I was measuring a MH A and the gauge gave me a AR of 5.2 whereas the > measuring of the three arms gave me 5.9. Curious. Assuming I'd measured > incorrectly I remeasured several times and got the same result. When using > the numbers to calculate via the Stanwood method the predicted balance > weight/front weight/strike weight relationships the 5.9 was clearly the > more > accurate number. At a bit of a loss to explain it so, for the moment, all > I > can do is report it. > > David Love > www.davidlovepianos.com > > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://www.moypiano.com/ptg/pianotech.php/attachments/20130115/da680f85/attachment.htm>
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