Notes: | 1 [value] |
Lengthwise tone hole angles are measured in reference to the axis of the bore It is a crude approxiamation based on a sketch of the tone hole angle (±10° or 15°) |
2 [value] |
Undercutting angles are relative to the tone hole axis It is a crude approxiamation based on a sketch of the tone hole undercutting (±10° or 15°) |
|
n/r | indicates data not recorded | |
n/a | indicates data not applicable |
Measurement |
Joint Type |
Hole ID |
Angle length- wise |
Undercutting | Notes | ||
Type | Depth | Angle | |||||
Naust, P. Measurer: K. Sugihara |
head | 1 | 1 113° | none | n/a | n/a |   |
2 | 1 100° | none | n/a | n/a |   | ||
3-L | 1 77° | none | n/a | n/a |   | ||
3-R | 1 75° | none | n/a | n/a |   | ||
middle | 4-L | 1 107° | none | n/a | n/a |   | |
4-R | 1 108° | none | n/a | n/a |   | ||
5 | 1 90° | none | n/a | n/a |   | ||
6 | 1 90° | Upstream | 100% | 2 ~20° |   | ||
Eb | 1 90° | none | n/a | n/a |   | ||
C | 1 90° | none | n/a | n/a |   | ||
bell | T-L | 1 90° | n/r | n/r | n/r |   | |
T-R | 1 90° | n/r | n/r | n/r |   |