Note: | 1 [value] | Lengthwise tone hole angles are measured in reference to the axis of the bore |
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 is applicable |
Measurement |
Joint Type |
Hole ID |
Angle length- wise |
Undercutting | Notes | ||
Type | Depth | Angle | |||||
Naust, P. Measurer: Paul Hailperin |
head | 1 | 2 114° | none | n/a | none | |
2 | 2 101° | none | n/a | n/a | |||
3-L | 2 73° | n/r | n/r | n/r | Delicate Undercutting | ||
3-R | 2 73° | n/r | n/r | n/r | |||
middle | 4-L | 2 104° | symmetric | 10% | 4 ~10° | ||
4-R | 2 104° | symmetric | 10% | 4 ~10° | |||
5 | 2 90° | symmetric | 80% | 4 ~20° | |||
6 | 2 90° | upstream | 30% | 4 ~20° | |||
Eb | 2 90° | symmetric | 40% | 4 ~15° | |||
C | 2 90° | symmetric | 90% | 4 ~30° | |||
bell | T-L | 2 90° | symmetric | 100% | 4 ~20° | ||
T-R | 2 90° | symmetric | 100% | 4 ~20° |