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<DIV><FONT face=Arial size=2>Oh Gordon, shame on you!
;-) </FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I know you are going to scream when you =
read this:
the conversion for inch to foot is 12 inches = one foot! </FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Expressing tuning pin torque is correct =
either way,
but inch-pounds are traditionally used by piano =
technicians.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>So 12 ft.-lbs. equals 144 =
in.-lbs. (it's feet
times pounds, not divided by). I've tuned many old uprights with tuning =
pin
torque less than 50 in.-lbs. - too looses for my liking, but seems to =
hold a
tuning pretty well. I find that anywhere in the 80 to 150 in.-lb. =
range
will be fairly tunable. If I had to specify my favorite, I would say 100 =
in.-lbs.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Terry Farrell</FONT></DIV>
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<DIV style="FONT: 10pt arial"><FONT face=arial,helvetica><FONT =
lang=0
face=Arial size=2 FAMILY="SANSSERIF" PTSIZE="10">Hello =
List. Back to my
problem Yamaha C3 grand. It has been suggested by others <BR>on =
the list
that I check the pin torque. I have researched the archives and =
also
have read the section on the subject in Arthur Reblitz book Piano =
Servicing,
Tuning & Rebuilding. His comment on tuning pin torque is ". =
. if it
takes less than 50 inch pounds, than the pins are probably too =
loose.
<BR>I read one archive comment on loose tuning pins by John =
Tuttle. He
states "I believe optimum torque to ne 12 Ft./lbs.<BR>I couldn't find =
anything
more specific in the archives on the subject.<BR>Reblitz says "inch =
pounds"
and Tuttle says "foot pounds". <BR>Which should it be "Inch" or
"Foot". I will assume that it can be either.<BR>And, is there a
conversion on inch to foot?.<BR>Does anyone have some suggestions on =
tuning
pin torque. I would assume that the torque would be basically =
the same
wether it is a grand, spinet or full upright.<BR>I thank you all in
advance.<BR>Regards, <BR>Gordon Holley<BR>PTG Associate<BR>Goshen, =
Indiana
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