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#2306161 - 07/23/14 07:24 PM Broken Butt Plate - Replacement part?  
Joined: Jul 2013
Posts: 165
musicNow Offline
Full Member
musicNow  Offline
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Joined: Jul 2013
Posts: 165
San Francisco, Bay Area
I have one broken, threaded, butt plate on a 1900 upright, Ivers Pond Piano, the broken plate is off to the side:

[Linked Image]

Would this part from Schaff Piano work? Reading Reblitz, it appears this was somewhat a standard part until the 1940s.

[Linked Image]

Thanks - Rick


Learning to play the piano, very happy with my 1907 Ivers Pond uprights, and ready to part with my Yamha C7 - not the sound I like.
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#2306212 - 07/23/14 09:54 PM Re: Broken Butt Plate - Replacement part? [Re: musicNow]  
Joined: May 2013
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SMHaley Offline
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SMHaley  Offline
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Seattle
Probably, machining any alterations as needed.


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Baldwin F 1960 (146256)
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#2306322 - 07/24/14 07:01 AM Re: Broken Butt Plate - Replacement part? [Re: musicNow]  
Joined: May 2001
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Eric Gloo Offline
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Eric Gloo  Offline
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Richfield Springs, New York
I suggest ordering quite a few of the replacement butt plates, if not an entire set. The quality from one to the next is VERY inconsistent. They tend to be too thick, and the screw holes are often drilled off-center, which will throw off hammer alignment. The replacement screws can also be too long, and if not shortened, will be hit by the hammer butt upon installation. Sometimes, you can use the original screw in the replacement butt plate.

If one has broken, you should check to see if others are ready to break. One quick test is to push each hammer and shank toward the strings with your fingers. Let the shank fall back to the hammer rest rail. Listen for any that sound different from the others. You'll hear a rattle if the butt plate is starting to crack.


Eric Gloo
Piano Technician
Certified Dampp-Chaser Installer
Richfield Springs, New York
#2306405 - 07/24/14 09:33 AM Re: Broken Butt Plate - Replacement part? [Re: Eric Gloo]  
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BDB Offline
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Oakland
Ones that are ready to crack will crack when the screws are tightened.


Semipro Tech
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#2306589 - 07/24/14 03:29 PM Re: Broken Butt Plate - Replacement part? [Re: musicNow]  
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Posts: 165
musicNow Offline
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musicNow  Offline
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Joined: Jul 2013
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San Francisco, Bay Area
Thanks to all for comments and suggestions.

I found this particularly interesting:

If one has broken, you should check to see if others are ready to break. One quick test is to push each hammer and shank toward the strings with your fingers. Let the shank fall back to the hammer rest rail. Listen for any that sound different from the others. You'll hear a rattle if the butt plate is starting to crack.

Perhaps naively on my part, I have gone through them all and tightened the loose screws. I still have a small number of hammers that return with a small rattle. I will double check those. I'm guessing the rattle could be from other causes, but this is good clue, one that is not easy to see with the naked eye. The piano re-builder that has helped me suggested closing up the case and see if it still bothered me. It hurts my ears.

Thanks,

- Rick




Learning to play the piano, very happy with my 1907 Ivers Pond uprights, and ready to part with my Yamha C7 - not the sound I like.
#2306952 - 07/25/14 10:57 AM Re: Broken Butt Plate - Replacement part? [Re: musicNow]  
Joined: Jun 2011
Posts: 392
Craig Hair Offline
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Craig Hair  Offline
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Joined: Jun 2011
Posts: 392
Chesterfield. MA
MusicNow,

I have a good number of the original clips. If you want to PM me, I can send you what you need. This would justify the time I spent gathering them in the first place.

Be well,
Craig


Craig Hair
Hampshire Piano
Chesterfield, MA
Conservative Piano Restoration

Sometimes, all you can hear is the cat snore.
#2307038 - 07/25/14 02:25 PM Re: Broken Butt Plate - Replacement part? [Re: Craig Hair]  
Joined: Jul 2013
Posts: 165
musicNow Offline
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musicNow  Offline
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Joined: Jul 2013
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San Francisco, Bay Area
PM sent.

- Thank you Craig.


Learning to play the piano, very happy with my 1907 Ivers Pond uprights, and ready to part with my Yamha C7 - not the sound I like.
#2307568 - 07/26/14 09:56 PM Re: Broken Butt Plate - Replacement part? [Re: musicNow]  
Joined: Jan 2010
Posts: 849
Chuck Behm, CPT-E Offline
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Chuck Behm, CPT-E  Offline
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Joined: Jan 2010
Posts: 849
Boone, Iowa, USA

Rick - I don't know if you need any general information about brass rail work, but if you haven't read it already, this article might be useful to you: Brass Rail Repair. Good luck with your project. Chuck Behm




Tuner/Technician/Rebuilder/Technical Writer
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"The act of destruction is infinitely easier than the act of creation" - Arthur C. Clarke
#2307995 - 07/28/14 01:19 AM Re: Broken Butt Plate - Replacement part? [Re: musicNow]  
Joined: Jul 2013
Posts: 165
musicNow Offline
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musicNow  Offline
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Joined: Jul 2013
Posts: 165
San Francisco, Bay Area
Thanks Chuck. I always enjoy reading your articles. Lot's of photos in this one; easy to follow and understand.

- Rick


Learning to play the piano, very happy with my 1907 Ivers Pond uprights, and ready to part with my Yamha C7 - not the sound I like.
#2308576 - 07/29/14 02:37 PM Re: Broken Butt Plate - Replacement part? [Re: musicNow]  
Joined: May 2010
Posts: 44
Frank Pinn Offline
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Frank Pinn  Offline
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Joined: May 2010
Posts: 44
Lake Zurich, IL
Eric just to let you know, there was a problem in the past with the butt plate holes not being centered as you mentioned but the most recent shipments have addressed that problem.


Warehouse Manager
Schaff Piano Supply Co
#2308857 - 07/30/14 07:14 AM Re: Broken Butt Plate - Replacement part? [Re: musicNow]  
Joined: Jun 2011
Posts: 392
Craig Hair Offline
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Craig Hair  Offline
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Joined: Jun 2011
Posts: 392
Chesterfield. MA
MusicNow,

In the mail.

Craig


Craig Hair
Hampshire Piano
Chesterfield, MA
Conservative Piano Restoration

Sometimes, all you can hear is the cat snore.
#2311149 - 08/04/14 06:16 PM Re: Broken Butt Plate - Replacement part? [Re: musicNow]  
Joined: Jul 2013
Posts: 165
musicNow Offline
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musicNow  Offline
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Joined: Jul 2013
Posts: 165
San Francisco, Bay Area
Craig,

Many thanks, Butt Plates received (letter sent to Festival of Arts)! As predicted another plate broke while tightening. Everything back in place. Half way done with a pitch raise - broke another bass string, but a nice bright sound overall...

- Rick


Learning to play the piano, very happy with my 1907 Ivers Pond uprights, and ready to part with my Yamha C7 - not the sound I like.
#2313266 - 08/09/14 02:13 AM Re: Broken Butt Plate - Replacement part? [Re: musicNow]  
Joined: Jan 2010
Posts: 3,087
Mark Cerisano Offline
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Mark Cerisano  Offline
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Joined: Jan 2010
Posts: 3,087
Montreal, Quebec, Canada
I have harvested a bunch of old butt plates from an old piano.

1. New ones are expensive.
2. You can't use the original screw with the new ones.
3. The new ones often need to be filed narrower.

Yes, some may be weakened from age, but they can be inspected with a magnifying glass for cracks, and can be stress tested to see if they break. If they don't, we're good to go.

BTW, they are so many parts on old pianos that are good for recycling. Anyone know of a site that resells these old parts?


Mark Cerisano, RPT, B.Sc.(Mech.Eng), Dip.Ed.(Music)
www.howtotunepianos.com

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