| Number of tubes | Tube length (m) | Tube diameter (m) | Model number |
Test set one | 3 | 60 | 4 | T3L60D4 |
4 | 45 | 4 | T4L45D4 | |
5 | 36 | 4 | T5L36D4 | |
6 | 30 | 4 | T6L30D4 | |
8 | 22.5 | 4 | T8L22.5D4 | |
Test set two | 3 | 60 | 3 | T3L60D3 |
4 | 45 | 3 | T4L45D3 | |
5 | 36 | 3 | T5L36D3 | |
6 | 30 | 3 | T6L30D3 | |
8 | 22.5 | 3 | T8L22.5D3 | |
3 | 60 | 5 | T3L60D5 | |
4 | 45 | 5 | T4L45D5 | |
5 | 36 | 5 | T5L36D5 | |
6 | 30 | 5 | T6L30D5 | |
8 | 22.5 | 5 | T8L22.5D5 | |
Test set three | 6 | 10:18:26:34:42:50 | 5 | T6D5 increasing |
6 | 50:42:34:26:18:10 | 5 | T6D5 decreasing | |
6 | 15:30:45:45:30:15 | 5 | T6D5 SBS | |
6 | 45:30:15:15:30:45 | 5 | T6D5 BSB |