| Levels | Airway resistance (Ns2/m8) | Measured airflow (m3/s) | Designed airflow (m3/s) | Simulated airflow (m3/s) |
| 30 | 0.15901 | 23.1 | 28.3 | 30.9 |
| 000 | 0.23193 | 20.0 | 28.3 | 32.3 |
| −30 | 0.28948 | 19.0 | 28.3 | 47.5 |
| −60 | 0.33798 | 22.0 | 28.3 | 31.3 |
| -90 | 0.58294 | 12.0 | 28.3 | 30.0 |