Lightening touch by changing damper timing redux

[Richard Moody]

This is a multi-part message in MIME format.

---------------------- multipart/alternative attachment
Comments dispersed... ---ric

=20

-----Original Message-----
From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On =
Behalf
Of Piannaman@aol.com
Sent: Thursday, January 19, 2006 10:25 PM
To: pianotech@ptg.org
Subject: Re: Lightening touch by changing damper timing redux

=20

Having the dampers lift at let-off would definitely be too late.=20

You can always try it on your action model...

David Ilvedson, RPT
Pacifica, California

=20

=20

The first contact of the jack with the let off button is not let off.   =
Let
off occurs after the jack has hit the let-off button and slid off the
knuckle allowing "drop" (when you do it with an action model) or "check"
when you are actually playing the piano.  Look at your action model and =
see
if the jack does not first contact the let off button at about half way
down. Does your action model have a damper lever?   I will bet the two
contact points are so close as to say they are the same.   It takes a
certain amount of travel of the key for the "slid out" of the jack from
under the knuckle and of course the diameter of the knuckle and how flat =
it
is determine this travel.  =20

=20

.  And as Dean noted, the fingers have more speed at the point where the =
key
contacts the underlever.  Makes a big difference.

=20

OK half way down. =20

=20

=20

=20

=20

"Frankly it doesnt' concern me what Seiler might think but rather my
clients"  Regards DAle Erwin =20

=20

Even if Seiler might be interested in your improvements?  -0-0-0 ric =20






  _____ =20


Original message
From: Erwinspiano@aol.com
To: pianotech@ptg.org
Received: 1/19/2006 7:32:48 AM
Subject: Re: Lightening touch by changing damper timing redux

    Richard

  Please hear me & with all due respect.  I can feel that .

   Actually, IMHO,  an 1/8 th inch in damper lift timing can make a HUGE
difference in action feel especially with high ratio actions.  Frankly =
it
doesnt' concern me what Seiler might think but rather my clients.

   There is a sweet spot for ,most pianos, & when setting this up  I =
find it
most often that spot to be at half travel when the key aciton cycle is =
at
it's most efficient & friction free spot in  movement  Picking up the =
damper
prematurely can increase the feel of touch weight or heavy touch =
syndrome
dramatically on some actions.   I'm always looking for the optimum sweet
spot when setting up a custom balnced action so that I don't =
inadvertantly
sabatoge all that fiddlin & didlin I just went thru to create a very =
fluid
action feel.

  Regards

  DAle Erwin

The damper timing I thought was determined by the manufacturer.  When =
the
key goes down it meets a couple of resistance points.  One, the end of =
the
key contacting the damper lift lever (but who can feel that?) , and two, =
the
jack contacting the let off button. (which everybody can feel)  Since =
the
contact between the key and damper lift lever is  what, 1/8 inch leeway =
what
difference does it really make?  The most important consideration is =
that
dampers lift as a unit as the damper pedal is depressed so that "half
dampening" can be utilized.=20

I can imagine asking any of the piano makers including Seiler who show =
up
for the National Convention where they prefer the key to hit the damper
lever and why.    ---ric   www.pnotec.com <http://www.pnotec.com/> =20

=20

=20

Dave Stahl

Dave Stahl Piano Service
650-224-3560
http://dstahlpiano.net/ <http://www.dstahlpiano.net/>=20


---------------------- multipart/alternative attachment
An HTML attachment was scrubbed...
URL: https://www.moypiano.com/ptg/pianotech.php/attachments/85/40/b7/8d/attachment.htm

---------------------- multipart/alternative attachment--