On 9/22/2012 10:30 AM, David Love wrote: > Using your method (if I understood it correctly) I get the following on > my action model. As unclear as my description was, I put the attached jpeg together. That might change things. >The measurement of dip to hammer travel yields 37/6 or > 6.16. Interestingly, your method of measuring the levers yields a lower > AR than my method (measuring the key to the end and the wippen to the > jack center pin) yet moving the dip measurement 20 mm in from the end of > the key will, of course, produce a higher action ratio than mine > measuring at the end of the key. Wip out and hammer out is different too. Hammer out, for instance, is about half way between center pin to molding center, and center pin to strike point. >Perhaps these things are action > specific, though it’s hard to imagine why. I don't see how they could be either. Check the drawing against my poor description of measurement points, and see what you get. ??? Ron N -------------- next part -------------- A non-text attachment was scrubbed... Name: grandaction ratio.jpg Type: image/jpeg Size: 39586 bytes Desc: not available URL: <https://www.moypiano.com/ptg/pianotech.php/attachments/20120922/40a2b955/attachment-0001.jpg>
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