Hello Susan and the list. I thanks the attention. Susan now I read the article on the Journal and this is the solution I will try. I think that may be a correct action. If the problem remains, I will change the hammer springs. Thanks. Rogerio Cunha - Rio - IC Member of the Guild -----Mensagem original----- De: Susan Kline <skline@proaxis.com> Para: pianotech@ptg.org <pianotech@ptg.org> Data: Sexta-feira, 2 de Janeiro de 1998 22:59 Assunto: Re: KIMBALL >Hello, Rogerio > >Yes, believe it or not, spinets without bridle straps do exist. They are >terrible, but they were made. In order to return to the hammer rail, the >hammer depends entirely on the hammer spring. If the spring is too weak, or >the center pin is too tight, or if the spring is out of its slot the hammer >will just sit touching the string. > >You are a member of the PTG, so I imagine that you get the Journal. In the >October, 1997 issue I mentioned this problem in my column, "World Class >Junk" (and this piano IS world class junk!) I invented a repair for this >problem, using spring clip bridle straps. You can put on the spring clip >bridle strap (on the catcher shank) and then glue the vinyl tab to the >middle of the strap, after wrapping it around the backcheck wire. You can >even regulate the tightness of the strap by moving the spring clip along the >catcher shank, or by choosing where to glue the tab. > >There is another similar repair which I've seen on an old, old upright. The >tab of the bridle strap was glued to the top of the backcheck. I think the >angles work out better with my method, though. > >You could do my repair to the worst notes with the action still in the >piano, though if you wanted to do all the notes it would be easier with the >action out of the piano, and back in your shop. > >This should keep the hammers off the strings, but if they are still sluggish >there may be a humidity problem. Possibly a dampp-chaser might help. You can >test this by blowing a hair dryer down at the base of the hammers for a few >minutes and seeing if the notes repeat better. Also, you can get a little >more return by strengthening the hammer spring (pulling it upwards and then >putting it back in the slot.) > >Or, you could install bridle wires and straps as you mentioned. However, be >sure that there is room for the bridle wires in back of the stickers. They >may have designed the piano with very little room for any bridle wires. You >would have to use the short spinet bridle wires, of course, and the spring >clip bridle straps. > >Good luck. I hope your customer is a very grateful. > >Susan > >--------------------------------------------------------------------- > >At 08:17 PM 1/2/98 -0200, you wrote: >>Hello List. Today I went to solve a problem in a piano that it's owner said >me that it was in trouble. I went there and could detect that few notes of >the piano was good but a great number of them couldn't to function >correctly. The owner of the piano told me that she lived four years on Texas >and that bought the piano in Dallas. When I was inspecting the problem I was >very surprised because there are no bridle wires. I never saw a vertical >piano without bridle straps! I inspected the wippens and saw that the holes >to support the bridle wires was empty and clean. I haven't doubt that the >never was a bride wire there. The model of the piano is one that the action >is under the keyboard and the function of the wippens is correct; the >function of the key is correct : if you press a key it pull the sticker, the >sticker moves the wippens and when you release the key every parts come to >the this place but the hammers this is the problem because they go to the >strings and don't come back to the hammer rail. I think that the better >thing to do is to install bridle wires and bridle straps but I would like to >read some technicians about this problem and I want know if is possible the >KIMBALL to have made this piano without bridle straps.Rogerio Cunha - Rio de >janeiro - IC Member of the PTG > >------------------------------------------ > >Susan Kline >P.O. Box 1651 >Philomath, OR 97370 >skline@proaxis.com > >"Do you think there's any truth to the rumor that everything is really O.K.?" > -- Ashleigh Brilliant >
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