out of tune Wurlitzer (Dels' reply)

[Roger Jolly]

At 10:35 PM 12/19/97 EST, you wrote:
>In a message dated 97-12-19 11:26:56 EST, Del Fandrich writes:
>
>>The practice does, of course, demand good gluing practices. Practices
>>Wurlitzer had only a loose acquaintance with. I once
>>purchased an unstrung back assembly from Wurlitzer for some experiments. I
>>got really busy just after receiving it and didn't
>>get to it for a couple of years. By then the back assembly was already
>>showing signs of disintegration. Glue joints were
>>already failing, and the back hadn't even been strung yet.
>
>
>Del:
>
>Are you saying that how the ribs are attached to the soundboard is not
>important, but rather that what is important is that they are attached
firmly?
>
>This soundboard is horizontal, with the grain running from left to right. I
>haven't looked at how the ribs are attached, but does this have any effect on
>how long the piano stays in tune?
>
>A lot of suggestions were given for my out of tune piano, and I want to thank
>everyone for contributing. I am confident it is not an atmospheric
problem. If
>it is a pin block seperation, or if the screws need to be tightened, I can
>make those repairs. However, I am inclined to think that glue failure as Del
>mentioned, is probably the cause. If that is indeed the problem, is there
>anything that can be done to fix it? Or is it time to recommend a new piano?
>
>Willem Blees
>
>Hi Willem,
            Horizontal grain is an indication of a laminated sound board.
Roger
Roger Jolly
University of Saskatchewan
Dept. of Music.