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#2035517 - 02/18/13 10:40 PM Easiest action to replicate by hand  
Joined: Sep 2012
Posts: 126
TheKeysAssassin Offline
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TheKeysAssassin  Offline
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Joined: Sep 2012
Posts: 126
Kansas City, MO
I have been doing some modeling of actions with wood, but found that most of what i am doing is too complicated. What are some of the simplist actions you know of. Alsp, what is the difference between a fixed backchech and a backcheck connected to the hammer?

Last edited by TecFlip; 02/18/13 10:41 PM.

-Nathon Lee
YouTube Channel - http://www.youtube.com/user/JleewSongs
Yamaha P-35b
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#2035532 - 02/18/13 11:40 PM Re: Easiest action to replicate by hand [Re: TheKeysAssassin]  
Joined: Nov 2007
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Zeno Wood Offline
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Zeno Wood  Offline
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Joined: Nov 2007
Posts: 504
Brooklyn, NY
Instead of making action parts from scratch, why don't you call around and ask a piano technician for some old spare parts?


Zeno Wood, Piano Technician
Brooklyn College
#2036634 - 02/20/13 10:40 PM Re: Easiest action to replicate by hand [Re: Zeno Wood]  
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TheKeysAssassin Offline
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TheKeysAssassin  Offline
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Kansas City, MO
I have a project in mind of creating a very simple action. Kind of a try it before i make a whole piano.


-Nathon Lee
YouTube Channel - http://www.youtube.com/user/JleewSongs
Yamaha P-35b
#2036637 - 02/20/13 10:48 PM Re: Easiest action to replicate by hand [Re: TheKeysAssassin]  
Joined: Jun 2006
Posts: 1,376
accordeur Online content
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accordeur  Online Content
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Joined: Jun 2006
Posts: 1,376
Québec, Canada
By hand I don't know. But simpler, maybe.

I've never actually played one of these, but I have been impressed for a long time.

http://www.mmdigest.com/Tech/HickmanAction/index.html

Jean


Jean Poulin

Musician, Tuner and Technician

www.actionpiano.ca
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#2036662 - 02/21/13 12:18 AM Re: Easiest action to replicate by hand [Re: TheKeysAssassin]  
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Posts: 306
Chris Storch Offline
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Chris Storch  Offline
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Joined: Aug 2009
Posts: 306
Tec,
This toy piano has a rudimentary action in it. You may want to take some ideas from this design. The photos of the parts should be self-explanatory, but if not, let me know and I'll post a video of it in operation.

https://plus.google.com/u/0/photos/101597730368241784882/albums/5842408524261337921

Hope this helps,
Chris S.

Last edited by Chris Storch; 02/21/13 12:22 AM.

Chris Storch
Acoustician / Piano Technician
#2036673 - 02/21/13 12:55 AM Re: Easiest action to replicate by hand [Re: TheKeysAssassin]  
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BDB Offline
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Oakland
Certainly the easiest action to replicate is the clavichord action.

Probably after that comes something like the Zumpe action, where a fixed stick pushes against something like a knuckle, and just slides out from under when it is raised high enough. That would be like the action on a Rhodes.

A basic Viennese action is a little more sophisticated, but not much.


Semipro Tech
#2036810 - 02/21/13 09:03 AM Re: Easiest action to replicate by hand [Re: TheKeysAssassin]  
Joined: Feb 2011
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Withindale Offline
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Withindale  Offline
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Suffolk, England
Even simpler than BDB describes would be a fixed stick, with let off determined by key dip, and a nifty catcher. That should repeat well.

PS Google's Zumpe Piano Action images suggests a catcher is not necessary.

Last edited by Withindale; 02/21/13 02:56 PM. Reason: PS

Ian Russell
Schiedmayer & Soehne, 1925 Model 14, 140cm
Ibach, 1905 F-IV, 235cm
#2037530 - 02/22/13 02:53 PM Re: Easiest action to replicate by hand [Re: TheKeysAssassin]  
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TheKeysAssassin Offline
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TheKeysAssassin  Offline
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Kansas City, MO
i was thinking of making a modified version of a Rhodes. i have also tried the fixed jack and key dip let off. It doesn't seem to create enough force.


-Nathon Lee
YouTube Channel - http://www.youtube.com/user/JleewSongs
Yamaha P-35b

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