Whippen support springs

[Don]

Hi,

So would depleted urainium. I can think of a few clients that would
"benefit" *veg*.

At 07:46 AM 4/28/2005 -0700, you wrote:
>Gold would work nicely...
>
>-----Original Message-----
>From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org]On
>Behalf Of David Ilvedson
>Sent: Thursday, April 28, 2005 7:32 AM
>To: pianotech@ptg.org
>Subject: RE: Whippen support springs
>
>
>Isn't there an alternative to lead?  I realize steel doesn't wear as much
>and rusts...;-[   A compromise with some weight and some spring seems the
>best....
>
>David I.
>
>----- Original message ----------------------------------------
>From: Ric Brekne <ricbrek@broadpark.no>
>To: pianotech <pianotech@ptg.org>
>Received: Thu, 28 Apr 2005 14:50:58 +0100
>Subject: Whippen support springs
>
>
>>Hi Jack.
>
>>Like em or not, me thinks we are going to see a whale of a lot more of
>>them at least in Europe. Thats because in a couple years now lead in
>>keys will be forbidden by law.  Alternatives are magnetic schemes like
>>my own open source design, or some of the patented ones that some few
>>factories have.
>
>>One of the backdraws is there proximity to where a voicing block is to
>>be inserted. Not usually the easiest of things to do if one wants to
>>avoid changing the tension on the springs whilst still using a voicing
>>block.  There are some touch concerns that are argued back and forth. As
>>usual, there is much opinion and less hard facts on the subject, but I
>>think its fair to say the use of springs provides a different touch then
>>use of leaded keys.
>
>>A leadless key is certainly possible however.  More then likely one
>>would opt for fairly light hammers in the case. But its a doable within
>>acceptable touch parameters.  I personally prefer a more mass based
>>system... but thats just me.
>
>>Cheers
>>RicB
>
>
>>Jack writes
>
>>I would like to know some things about wippen support springs. Who uses
>>them?  Do companies still continue to use them?  Should they be removed? >I
>know they make key weighting difficult.=20
>
>>Jack Houweling
>
>
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Regards,
Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T.
Non calor sed umor est qui nobis incommodat

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