sluggish action

[tom driscoll]

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  ----- Original Message -----=20
  From: Alpha88x@aol.com=20
  To: pianotech@ptg.org=20
  Sent: Sunday, February 27, 2005 1:03 PM
  Subject: Re: sluggish action


  Greetings,=20

         In addition to the other fine suggestions... Is the piano in a =
moist basement? ..or has it been recently moved from a moist place into =
a home? If recently moved from a moist place(baseement or garage) into a =
home, then in a coulple weeks the moistrue will dry out of the bushings =
a it sits in the heated house and everything will return to normal by =
drying allittle.

      If not, then the bushings of either the jack or the hammer are =
swollen and need a shot of 5% to 10% alchohol to H2O(water). There are =
disputes on the percentage of water to alchohol and the TYPE of =
alchohol. I do about 10% alc to H20 and the alchohol is isopropyl, =
because I cant get Ethyl anymore. Works for my customers, fine.

  Julia
  Reading, PA


  Julia,
      Not my experiece-- When they get sluggish (as in the classic =
Acrosonic sluggish ) thay will stay sluggish in the Sahara .
      I see Acros in January here in the northeast @ 20% RH .as sluggish =
as can be.
     =20
      I do agree -- Alc., Water to shrink ,and or protek will usually =
work.
      I just don't see swollen action center bushings "retreating" to =
normal without help.perhaps your experience is different.
      As an aside, you can jump through all kinds of hoops trying to get =
certain types of alc. but the cheapest vodka at the packy works =
great--Just don't bring it in the ladies house still  in the bottle-- =
the neighbors might talk! Percentages ? Heck the stuff is alcohol and =
water and is clear . I think we sometimes get too carried away with =
exactitude with this kind of thing. The alc. brings the water to the =
cloth and the bushing will shrink.
      JMHO,
      Tom Driscoll RPT
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