Open Access

Table 1

Geometric data of the elements of the reference piano.

Quantity Unit Object
Panel Bridge #1 (bass) Bridge #2 (treble) Ribs
Angle of fiber orientation degree 135
Thickness mm 8 60 20 17 (treble rib) to 27 (bass rib)
Width mm 32 32 21 (treble rib) to 25 (bass rib)
Material Sitka spruce Beech Beech Sitka spruce

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