Adjusting wippen assist springs

[Phillip Ford]

>I would say very strong as having an effect of more than 17 grams on U/D

OK.  We'll just call them strong then.

>...
>
>I'll echo the advise of Andre by his recommendation for a 17mm knuckle
>radius.  This should bring SWR down to around 5.5 which would emulate
>current Hamburg setups.  This would be great with a TopMed SW.  A much
>fuller tone than 1/2 med SW and less hammer work.   Do some tests...   Of
>the Hundreds of Design requests I've recieved from associates over many
>years, TopMed SW with 5.5 SWR is the most popular among pianists.  1/2Med
>SW with 6.0 SWR setups don't get much enthusiasm from the pianists.

OK.  This sounds like good advice.


>So this piano must have be a Hamburg..  I've only seen NY made wippens with
>factory springs from a few pre 1890 prototype actions.
>
>David  Stanwood

Yes.  The piano came from Toronto.  A Hamburg Steinway originally sold in 
London according to the factory.  Rosewood case.  A beautiful piano.

Phil Ford