Stanwood's method

[Ed Sutton]

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Avery-
    Theoretically you should be able to calculate out the friction.   But if
it is extreme, you can't really get good up and down weight measurements.
So do what you can for all friction points, not just action centers.  Crisp
movements are easier to judge.
    Use your spread sheet program to make a chart for recording the info you
measure, notes 1-88 in the first column, leave the rest blank.  Print it out
and write in your various measurements.     Label the columns clearly, make
notations about date, piano, action parts tested, etc.
    If you're just testing C's and C#'s, you can use the open space to
compare different parts substituted.
    Instead of hammers, clip clothespins on the shank to give the desired
strikeweight for testing.
    Again, label it clearly, because you may be trying to read it years
later.
    Saving all your measurements is very important.   As you build your
store of comparative information, you make better decisions faster.
    Yes, it makes the head spin, but it helps from the start, and gets
better every time.
        Ed Sutton
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From: Avery Todd <atodd@UH.EDU>
To: caut@ptg.org
Subject: Re: Stanwood's method
Date: Wed, Aug 21, 2002, 11:11 AM


List,

OK, here we go. People always say the only stupid question is an
unasked one, so here's my first not-stupid question. :-)

I think I understand how to do the individual key and shank/flange/
hammer measuring but what do I need to do about the verdigris when
doing down & upweight measurements? Wouldn't I need to try and
clean and repin before I do those?

Or can I do just certain of the other measurements in order to
determine which parts to order and then do the whole process?

Or should I just call Bob at Pianotek and ask him what to do in
relation to ordering parts? Of course, then I might feel obligated
to order there. :-)

It seems that I need to have the actual parts I'm going to use
before all of this can be done. Am I correct?

This is my first part of not understanding. I'm not very
mathematically inclined so I'm still at the point of my "eyes
glazing over" when I'm trying to wade through this and understand
it. :-)

Any advice appreciated.

Regards,
Avery


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