| Success Criteria | Reference | DL | DO | DS | DD |
| Balanced | 0 | + | 0 | 0 | + |
| Minimal blockage | 0 | 0 | + | + | + |
| Center-of-gravity | 0 | + | 0 | – | 0 |
| Maintenance | 0 | 0 | 0 | 0 | – |
| Durability | 0 | 0 | 0 | 0 | 0 |
| Cost | 0 | – | – | + | – |
| Environmental | 0 | 0 | 0 | 0 | 0 |
| # + | 0 | 2 | 1 | 2 | 2 |
| # 0 | 7 | 4 | 5 | 4 | 3 |
| # – | 0 | 1 | 1 | 1 | 2 |
| Net score | 0 | +1 | 0 | +1 | 0 |
| Continue? | COMBINE | NO | COMBINE | NO |