John, To make a pinblock "thicker" , you can use Delignit (laminated beech) pinblock material , which is also available in 15 mm, 25 mm and thicker. The last time I had to do this I used some scrap Delignit of 45 mm and split it to the desired size. You wrote: > Ralph Stillwell, a member of our chapter had an extreme case of this >problem on a upright piano with an open pin block. He removed the bass >tunning pins, drilled the tunning pin holes, slightly under sise, clear >through so the hole came out the back of the piano, glued a piece of maple> >to the front of the bass pin block area, and drilled the tunning pin holes >through this cap from the back. He then replaced the pins in the new >"thicker" pin block. This greatly reduced the angle between the tunning pins >and the string. Finally he glued a piece of veneer on the back of the piano >to cover the holes that came through the back side. He said it solved the >problem. When I called Ralph to get his permission to submit this he said he >thought hardwood plywood would be better than the maple he used if you could >find it. > John Dewey
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