[CAUT] disabling individual noes

[Aaron Bousel]

I haven't tried this so maybe there's something I'm missing, but how 
about a tuning pin plate bushing, possibly with a cloth balance rail 
punching to keep things quiet, slipped onto the front rail pin?

Aaron

At 11:23 AM 8/22/2007, you wrote:
>This is indeed the kind of stuff useful to have in one's bag of 
>tricks at a place like CalArts.  Just for the record, though, this 
>particular situation was a private call for an artist from New York 
>in L. A. for some performances.  He was ultimately referred to me 
>because of my experience in the realm of realizing original tuning 
>systems and extended techniques.  (Plus, like the guy in the Verizon 
>ads, I've got this amazing network behind me!)
>
>Just for the record, making the jack cheat was a bit too unreliable 
>on soft blows (as in grazing a key that one did not intent to 
>actually play), so in the end we went with adding cloth punchings to 
>the front pins. Were I to do this again, I would use an arch punch 
>with a diameter equivalent to the width of a sharp to trim down the 
>punchings for those keys (so as not to interfere with adjacent naturals).
>
>Cheers,
>
>Alan Eder
>
>
>-----Original Message-----
>From: Fred Sturm <fssturm at unm.edu>
>To: College and University Technicians <caut at ptg.org>
>Sent: Mon, 20 Aug 2007 4:19 pm
>Subject: Re: [CAUT] disabling individual noes
>
>Your results may vary. I tried this on my Baldwin M at home before 
>writing my original post, and it worked (didn't work) fine: key up 
>and down, no hammer striking string. After reading Jon's post, I 
>tried it on a Steinway B at UNM, and the backcheck jammed on the 
>hammer tail immediately. So the check had to be adjusted back for it 
>to work. Then I tried a note on a Yamaha G-2, and it worked fine, 
>but on a piano (as in soft, not forte) keystroke, the hammer would 
>play. The rep spring was too strong.
>Anyway, at a place like Cal Arts, it might be a worthwhile thing to 
>know how to do, and to go to a bit of trouble to "get it 
>right."  For the rest of us, probably not.
>
>Regards,
>Fred Sturm
>University of New Mexico
><mailto:fssturm at unm.edu>fssturm at unm.edu
>
>
>
>On Aug 17, 2007, at 8:28 PM, Jon Page wrote:
>
>> >you could adjust the jacks forward,
>>
>>I don't see that working because once the note is played
>>the action will capsize and the key will hang down.
>>
>>As pointed out earlier, a punching under the sharp will
>>interfere with the naturals unless it is narrow.
>>
>>If he wants the keys to operate but not sound, then remove
>>the wip and shank and weight the key.  If he just wants the
>>key inoperable, tie a Twist-Tie around the rep lever and shank,
>>a double loop for security.  Easily installed, easily removed
>>without interfering with neighboring keys.
>>
>>--
>>
>>
>>Regards,
>>
>>Jon Page
>
>=
>
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------------------------------------------
Aaron Bousel
Registered Piano Technician, Piano Technicians Guild
abousel at comcast.net
(413) 253-3846 (voice & fax) 
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