What is "beam height in the key"? And why does the dowel approach (I presume you are referring to the "S&S Accelerated Action") make regulating a pain (I haven't done many....)? Thanks! Terry Farrell On Jul 26, 2012, at 8:29 PM, Ron Nossaman wrote: > On 7/26/2012 7:15 PM, jim at grandpianosolutions.com wrote: > >> yeah, so if I were keeping the shoe in the original keyboard re-design 4 >> years ago, just extending the jig would have worked fine...but that >> ain't what I was up to back then. > > Got it. > > >> While we're on the subject, you bring up something I've been thinking >> about regarding the fulcrum point at the balance pin/hole. So many >> balance rails have the key rotating in a very complex inefficient manor >> in a rocking/chucking motion instead of a true pivot, accentuating the >> required breakaway force at the start of the stroke. I've only dealt >> with the half round dowels once so far. Seems like a good idea. > > It mostly is, I think. The key doesn't slither up and down the pin as it rocks on a flat punching, but rather pivots nicely on the dowel. > > >> On a >> short key stick, as opposed to the long D sticks I think you're talking >> about, what are the down sides of the half dowel? > > Other than the loss of beam height in the key, and the pain in the butt regulating them, they seem to be quite functional. > > Ron N
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