Notes: | 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 | Undercutting | Notes | ||
lengthwise | Type | Depth | Angle | ||||
Paulhahn, P. Measurer: Paul Hailperin |
head | 1 | 1 109° | upstream | 40% | 2 ~ 5° | |
2 | 1 111° | upstream | 50% | 2 ~45° | |||
3-L | 1 71° | downstream | 40% | 2 ~10° | |||
3-R | 1 69° | downstream | 40% | 2 ~20° | |||
middle | 4-L | 1 90° | symmetric | 50% | 2 ~30° | ||
4-R | 1 90° | symmetric | 50% | 2 ~30° | |||
5 | 1 90° | symmetric | 80% | 2 ~20° | |||
6 | 1 90° | symmetric | 100% | 2 ~15° | |||
Eb | 1 90° | symmetric | 100% | 2 ~45° | |||
C | 1 90° | symmetric | 80% | 2 ~50° | |||
bell | T-L | 1 90° | symmetric | 100% | 2 ~40° | ||
T-R | 1 90° | symmetric | 100% | 2 ~40° |