[pianotech] Hammer Flange Friction

Bruce Browning - The Piano Tuner justpianos at our.net.au
Sat Jun 5 18:57:04 MDT 2010


John,
Is there any reason that the upright uses leather faced spurs and felt
faced backchecks instead of a similar arrangement to grand pianos, with
leather backcheck on wood.?



>
>>This is a new revelation for me. I've always assumed that the
>>general design of the upright action limited any possibility for the
>>jack to reset in the half position. I have 8 new Steinway 1098
>>uprights I'm dying to give this a shot at.
>




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