| Program |
PropExpert |
SwiftCraft |
NavCad |
| Typical user |
Propulsion vendors |
Designers & builders |
All vessels |
| General vessel size (for guidance only, no limit is imposed) |
Under 50 m (150 ft) |
Under 75 m (250 ft) |
Unlimited |
| Displacement, semi-displacement and planing monohulls |
 |
|
|
| Catamarans |
|
|
|
| Resistance prediction |
|
|
|
| Propulsion sizing |
|
|
|
| Propulsion analysis |
 |
|
|
| Bare-hull drag prediction methods |
N/A |
27 |
37 |
| Resistance prediction options |
|
|
|
| Correlation to sea trials or model tests |
|
|
|
| Added drag prediction |
|
|
|
| Propulsion system sizing |
|
|
|
| Size diameter, pitch, BAR |
|
|
|
| Size gear ratio |
|
|
|
| Sizing by thrust |
|
|
|
| Sizing by power |
|
|
|
| Propulsive coefficient prediction |
|
|
|
| Propulsor types |
4 |
3 |
10 |
| Open propellers |
|
|
|
| Ducted propellers |
|
|
|
| Surface-piercing propellers |
|
|
|
| Cycloidal propellers |
|
|
|
| Controllable-pitch propellers |
|
|
|
| Waterjets |
|
|
|
| Free-run analysis |
|
|
|
| Towing analysis |
|
|
|
| Acceleration analysis |
|
|
|
| Spreadsheet revision |
|
|
|
| Hull form drag reduction guidance |
|
|
|
| Model test data management |
|
|
|
| Engine data management |
|
|
|
| Propeller data management |
|
|
|
| Gear data management |
|
|
|
| Waterjet data management |
|
|
|
