Propeller Functionality Comparison Table
NOTE: Saildrive Installations Only
| Rating by Type 0 = Worst 9 = Best | ||||||||||
| Functionality Required of Propeller | Importance | Autoprop | Fixed | Fixed | Folding | Folding | Kiwiprop | Feathering | Feathering | SDC |
| 0-9 | 3 Bladed | 2 Bladed | 3 Bladed | 2 Bladed | 3 Bladed | 3 Bladed | 2 Bladed | 3 Bladed | 2 Bladed | |
| Motoring speed at cruise rpm | 9 | 9 | 8 | 9 | 8 | 8 | 8 | 8 | 8 | 9 |
| Reverse Thrust | 9 | 5 | 8 | 9 | 1 | 0 | 9 | 8 | 9 | 9 |
| Drag when Sailing - On and Off Wind | 9 | 9 | 1 | 0 | 9 | 8 | 8 | 7 | 7 | 8 |
| High Reverse thrust at idle | 6 | 7 | 8 | 9 | 0 | 0 | 9 | 8 | 9 | 9 |
| Ease of intallation | 4 | 0 | 9 | 9 | 0 | 0 | 9 | 0 | 0 | 7 |
| Low mass | 5 | 0 | 7 | 5 | 1 | 0 | 9 | 2 | 0 | 9 |
| User Variable Pitch - Ahead | 4 | 0 | 0 | 0 | 0 | 0 | 9 | 9 | 9 | 9 |
| User Variable Pitch - Astern | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 9 | 9 |
| Low moment of Intertia - Saildrive and Shaft | 3 | 0 | 7 | 5 | 2 | 0 | 8 | 2 | 0 | 9 |
| Corrosion potential | 8 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 9 |
| Internally lubricated | 6 | 0 | 9 | 9 | 0 | 0 | 9 | 9 | 9 | 9 |
| Blade sacrafice in catastrophe | 3 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 9 |
| Simple blade replacement option | 2 | 7 | 0 | 0 | 6 | 6 | 9 | 0 | 0 | 7 |
| initial cost of unit | 6 | 0 | 9 | 8 | 5 | 4 | 5 | 2 | 0 | 6 |
| Low cost blade replacements | 2 | 3 | 0 | 0 | 3 | 3 | 9 | 0 | 0 | 9 |
| Totals: | 246 | 346 | 331 | 222 | 195 | 568 | 354 | 333 | 618 | |