Front Weight Problem

David C. Stanwood Stanwood@tiac.net
Tue, 18 Jul 2000 09:51:58 -0400


Richard Breckne wrote:

>Having just purchased a Stanwood kit I got the following numbers for you all
>to work with. (I'll give you the numbers for key # 32, the basic tendencies
>hold for the whole piano)
>
>Strike Weight is 10.2 g
>Strike Weight ratio is 3.6  !!!
>Front Weight is 10.3
>Key Weight Ratio is 0.54
>Whippen Weight Ratio is 17.5
>Balance Weight is 36
>Upweight is 26
>Down Weight is 45


>Now this piano has very strong and heavy whippen assist springs adjusted to
>full strength, probably as an attempt to keep down weight and up weight in a
>reasonable range. 

Richard,

Your Balance Weight number has to be measured with the assist spring
disengaged in order for the Strike Weight Ratio calculation to be correct.

I recommend minimal sampling of at least 6 notes #16,17,40,41,64,65.

David C. Stanwood


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