[pianotech] Petrof Specs

jrpiano jrpiano at eastlink.ca
Fri Aug 13 13:54:29 MDT 2010


I need the help of the list again.
I have a Petrof small grand I am trying to regulate.
When I try hammer to string of 1 7/8" the hammer rests on the rail.
When I measured the key height, it is 2 3/8" not 2 1/2".
Anyone know what it is supposed to be?
Thank you,
John Ross
Windsor, Nova Scotia, Canada
jrpiano at win.eastlink.ca
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