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Hi All<br>
Dennis & I finally tore down the Julius Bauer 6 ft. A truly amazing piece of engineering from antiquity. I have such respect for this man. Analyzing his pianos sound board system & how it is constructed is truly fascinating. I consider him as much a pioneer (wild man) as Jonas Chickering. Out side the box<br>
The entire soundboard system <U>is not</U> attached to the case but to the massive plate. The plate in turn is fastened/screwed to the case...... The board & belly rail are one unit & is attached to the case only by pivot a screw on each side. As seen in picture 2 the keybed is removed,held in place by dowels & screws, yet un-glued. The beautiful maple belly rail is not attached to the keybed when assembled but is separated from it by only a mm gap. In picture 2 imagine lifting up on the back of the sound board. It moves & sits only on a block attached to the case.<br>
The sound boards laminated oak liner captures the edge of the soundboard firmly around it's perimeter & because of the Julius design it forces crown in to the board both across the grain as usual but significantly along the grain as well. The entire structure displays a real dished looking shape. This is seen by the overall view in picture 4 & by viewing the head on picture of the belly rail. Stretching a string along the belly rail reveals a massive 15 mm of crown deflection from bass to treble.<br>
Also the treble & bass ends of the bridge rise to stay in the string plane as the board takes a dive due to the crown enhancement features of this design.<br>
It's a huge bridge. The result in mass will increase impedance/sustain. The bridge itself is over 2 inches tall at the treble end & 1 & 13/16 th in the middle. It is close to 2 inches tall in the bass. This tall bridge structure appears to build in a great deal of soundboard stiffness much like a beam.<br>
It has a Wessel nickel & gross action. The case is a beautiful Walnut veneer.<br>
I have many pictures from the bottom side as well I can post later. It has a straight short bass cut-off bar & no support beams. It doesn't need them.<br>
We will probably display this novel & intriguing piano when completed <br>
Dale Erwin<br>
Double Clicking on the picture should enlarge them for better viewing. I'm using a new format & the learning curve is still......goin on<br>
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