tuning pin torque

David Ilvedson ilvey at sbcglobal.net
Sun Jul 23 23:09:39 MDT 2006


David,
I hope you don't take offense at this...but, that is one ugly piano.   It looks more like it was refinished by a hack refinisher than in the factory...doesn't look professionally done...
David Ilvedson, RPT
Pacifica, CA 94044





Original message
From: "David Chadwick" 
To: files at ptg.org
Received: 7/23/2006 6:46:29 AM
Subject: tuning pin torque


 
Greetings, 
Thanks to everyone who responded to my query. I have ordered a torque wrench from my brother ( a Cornwell tool dealer) to measure in/lbs. I have not done any previous tuning on the piano. I will be doing a first time evaluation to the pin tightness condition so I will do my best to give a report on the entire pin field for the builder. I think Patrick's advice on taking measurements with it stung close to proper tension is going to be the best situation for this condition. After all, that is operating tension needed to maintain tonal functions so whatever load is added to the pin should be considered. Terry, thanks for the figures that give me the general area to work with. I would also like to talk at length (in another thread perhaps) with what Stephane speaks about regarding the feel of the pin torque and what would be the comfort zone for smooth feel without jumping or having to trick the pin into holding because of less than acceptable pin tightness. 
 
Also, Terry, here are some photo's of the "Autumn Leaves" Limited edition Model "D". The cabinet rim is decorated with various and colored leaves which carry the theme around the instrument. The plate has a autumn sky motif done by a outfit called "Wet Look". It does indeed look wet to the touch by all of the clear lacquer on the surface. The bench is very low. Rather uncomfortable but I guess if that is how one learns to play when they are young it has to stick with you. 
 
My thanks to everyone. I'll comment on my findings soon. 
 
David Chadwick
Las Vegas    




Photos at:


http://tinyurl.com/rvvgc
http://tinyurl.com/mxxyu
http://tinyurl.com/ra2b3


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