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#2211193 - 01/08/14 10:52 PM 1971 Mason & Hamlin console
Davepost Offline
Full Member

Registered: 04/15/13
Posts: 142
Loc: Hudsonville, Western Michigan,...
I have a really nice Mason & Hamlin console. The hammers were delaminated/ exploded so I put in a new set of Abels. Several hammer butt return springs were broken, so I replaced them all. They are heavier springs than original. Now I have a serious hard escapement. Mmmm!

I am wondering if it really has a deformation of the hammer butt buckskin, or too tight return springs, or something else.

Any ideas welcome. The piano is worth the trouble.
_________________________
David Postma, Associate Member, PTG Lansing, Michigan Chapter. www.davepostma.com Conover 9 ft. 4" (Mason & Hamlin CC-1) Conover 7 ft, Conover 6 ft 2, Conover 5ft 10 model 77, Conver 66 Fairy grand 5 ft 4, Baldwin L, Baldwin R, Baldwin M, Chickering 123,

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#2211194 - 01/08/14 10:58 PM Re: 1971 Mason & Hamlin console [Re: Davepost]
BDB Online   content
Yikes! 10000 Post Club Member

Registered: 06/07/03
Posts: 24146
Loc: Oakland
It is probably the springs. They will weaken a bit with use, or you can bend them back a bit.
_________________________
Semipro Tech

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#2211201 - 01/08/14 11:21 PM Re: 1971 Mason & Hamlin console [Re: Davepost]
Gary Fowler Offline
Full Member

Registered: 05/27/13
Posts: 375
You might be surprised. Some customers like the heavier "touch"
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#2211219 - 01/08/14 11:52 PM Re: 1971 Mason & Hamlin console [Re: Davepost]
Ed McMorrow, RPT Offline
3000 Post Club Member

Registered: 12/09/12
Posts: 3834
Loc: Seattle, WA USA
If the new hammers are heavier this would account for what you are feeling because of the increase in inertia and friction. It is most likely that the Abel hammers are heavier than the Aeolien M&H.

The springs are intended to have the tension adjusted after installation. They are made too strong because weakening is easier than strengthening.
_________________________
In a seemingly infinite universe-infinite human creativity is-seemingly possible.
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#2211309 - 01/09/14 07:08 AM Re: 1971 Mason & Hamlin console [Re: Davepost]
Davepost Offline
Full Member

Registered: 04/15/13
Posts: 142
Loc: Hudsonville, Western Michigan,...
That's what I thought. Thanks for the input.
_________________________
David Postma, Associate Member, PTG Lansing, Michigan Chapter. www.davepostma.com Conover 9 ft. 4" (Mason & Hamlin CC-1) Conover 7 ft, Conover 6 ft 2, Conover 5ft 10 model 77, Conver 66 Fairy grand 5 ft 4, Baldwin L, Baldwin R, Baldwin M, Chickering 123,

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#2211315 - 01/09/14 07:15 AM Re: 1971 Mason & Hamlin console [Re: Davepost]
David Jenson Offline
2000 Post Club Member

Registered: 10/22/06
Posts: 2538
Loc: Maine
Another thing to check is the return-spring groves in the hammer butt. The old wire may have been thinner and the new ends may be digging in a bit.
_________________________
David L. Jenson
Tuning - Repairs - Refurbishing
Jenson's Piano Service
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#2212672 - 01/11/14 07:40 AM Re: 1971 Mason & Hamlin console [Re: Davepost]
Davepost Offline
Full Member

Registered: 04/15/13
Posts: 142
Loc: Hudsonville, Western Michigan,...
Springs working better with lessening the tension, BUT!

Help! It is not buckskin on the hammer buts, but a bicolor material that is grey fuzz on the bottom and dark brown on the top. It is not like Baldwin's corfam. It has compressed where the jack strikes and rubs, turned shiny and really Sticky! Aweful stuff. What is this?

I ordered a supply of Ecsaine, and am planning to replace it all.

Any ideas?
_________________________
David Postma, Associate Member, PTG Lansing, Michigan Chapter. www.davepostma.com Conover 9 ft. 4" (Mason & Hamlin CC-1) Conover 7 ft, Conover 6 ft 2, Conover 5ft 10 model 77, Conver 66 Fairy grand 5 ft 4, Baldwin L, Baldwin R, Baldwin M, Chickering 123,

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