sluggish action

[Phil Romano]

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80 proof, vodka is 40% alcohol. 100 proof- 50 % etc.. dilute to your
preference. If you live in a state where you can buy Everclear, it is
90% (180 proof) ethyl alcohol. 
 
Phil Romano
Raleigh, NC
 
 
 -----Original Message-----
From: David Ilvedson [mailto:ilvey@sbcglobal.net] 
Sent: Sunday, February 27, 2005 2:12 PM
To: pianotech@ptg.org
Subject: Re: sluggish action



I like the vodka idea.   Does anyone know what the ratio is of alcohol
to water?   I have a sluggish damper system to deal with this week.
I've tried Goose & Protek but it doesn't last, so I'm going to try
alchol/water.  I suppose hair dryer would be helpful but I imagine it
will wreck havoc with the tuning...maybe just the air moving no heat?
If I'm making it up myself, what is the ratio of alcohol to water?   1
part water to 5 parts alcohol.

David Ilvedson





   _____  

Original message
From: tom driscoll 
To: Pianotech 
Received: Sun, 27 Feb 2005 13:35:42 -0500
Subject: Re: sluggish action


 

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

Greetings, 

       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.
    
    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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