[pianotech] 1st grand regulation musing

Farrell mfarrel2 at tampabay.rr.com
Tue Jan 27 08:16:14 PST 2009


1.  While I used manufacturer specs for guidlines I just could not get past making the touch feel the way I wanted.  I have played the piano (concert level) for 38 years, taught for 20, so I know what I like.  The patient was a 30 year old Baldwin 7' grand that had had nothing but tunings for that time ( as far as I could tell).  It plays very nicely now if I say so myself.  I am still waiting to hear from the pianist but so far his silence speaks volumes.

Sounds to me like you did it the way it is supposed to be done. Congrats!!!
 
2.  I found that as I was doing final precise regulations the aftertouch benefited from some key dip adjustment.  Very minor amounts but still adding dip helped.  Is this acceptable?  

It is the way myself and many other do it. Small differences in dip across the keyboard is less noticeable than variations in letoff and aftertouch. I will sacrifice perfectly even dip in favor of even letoff and aftertouch.
 
3.  I did not change the front rail punchings as these were is good condition.  However the bottom of the key stroke feels a bit hard for lack of a better way to describe it.  Is this a problem fresh punchings would have helped or is there another possible issue?

 Fresh punchings will improve things. I favor Jurgen's Wurzen felt front rail punchings: http://www.pianofortesupply.com/punchings.html  They give the key a soft landing, yet don't deform and get all squishy like most front rail punchings. Many others also have nothing but good to say about his punchings. 
 
4.    The whippens made a very noisey drop on the capstans so I brushed and revived the existing felt.  No sound now.  Is this felt replaceable?  If so how do you do it - it seems like it would be a monster project?

Replace like just about any other felt on an action. I've done numerous sets. Soak felt/cloth with water to dissolve glue (or at least soften glue if it is white glue), remove felt/cloth, cut new action cloth of appropriate thickness (you can usually get the proper width pre-cut), and glue it on (I prefer hot hide glue - and only glue at front and rear ends - not in middle - same theory as back rail cloth, etc.). Not a monster projet - like anything else in an action, pretty simple and not much time to do one - only issue is that there are 88 of 'em.

Sounds like you're doing the right things and asking the right questions. Always be aware that you might not get the right answers to your questions! You'll get a number of good responses to your post. I have told you what I have found to work well for me. Others may have some better ideas.

Terry Farrell
  ----- Original Message ----- 
  From: Steven Hopp 
  To: pianotech at ptg.org 
  Sent: Tuesday, January 27, 2009 10:17 AM
  Subject: [pianotech] 1st grand regulation musing


  First, thank you to everyone who provides help to this list.  I live 5 hours from my chapter and can't attend meetings though phone calls to members help (thanks Steve Walthall).  I use this list, PACE materials, Reblitz, Potter DVD's and the like to learn.
   
  I just finished my regulation after installing new hammers.  I learned a lot and enjoyed myself very much.  Now a few thoughts on the final result.  I would appreciate any input on my observations.
   
  1.  While I used manufacturer specs for guidlines I just could not get past making the touch feel the way I wanted.  I have played the piano (concert level) for 38 years, taught for 20, so I know what I like.  The patient was a 30 year old Baldwin 7' grand that had had nothing but tunings for that time ( as far as I could tell).  It plays very nicely now if I say so myself.  I am still waiting to hear from the pianist but so far his silence speaks volumes.
   
  2.  I found that as I was doing final precise regulations the aftertouch benefited from some key dip adjustment.  Very minor amounts but still adding dip helped.  Is this acceptable?  
   
  3.  I did not change the front rail punchings as these were is good condition.  However the bottom of the key stroke feels a bit hard for lack of a better way to describe it.  Is this a problem fresh punchings would have helped or is there another possible issue?  
   
  4.    The whippens made a very noisey drop on the capstans so I brushed and revived the existing felt.  No sound now.  Is this felt replaceable?  If so how do you do it - it seems like it would be a monster project?
   
  I will leave it there for now as I know more things will come in the future.  Many thanks again.
   
  Sincerely,
   
   
  Steven Hopp (associate preparing for testing this summer)


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