On 9/6/2011 3:11 PM, Douglas Gregg wrote: > Back to the issue of the repetition spring. I know that that does not > come into play with measuring down weight but it seems that it could > add to the heavy feel. Has anyone else thought about this design that > Baldwin uses. It seems to add a lot of pressure on the back of the > jack to keep the repetition lever loaded. > > Thanks > Doug Gregg > Classic Piano Doc Doug, I suspect the reason you are sensing a lot of spring force on the jack is that it has to be set very strong for the rep lever to support the heavy hammers. If you were to replace the hammers with ones that gave you a down weight in the 50 gram range, and regulated the rep springs appropriately, the jack spring would feel right. Mike
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