SEAKEEPER RIDE SEA TRIAL REPORT
Vessel Characteristics
| Boat Make | Hatteras Yachts |
| Boat Model | 41’ |
| Boat Year | 1970 |
| System | Seakeeper Ride 750 |
| Length Overall | 41 ft. 0 in. |
| Beam Overall | 14 ft. 0 in. |
| Engine Configuration | 2x Other 425 HP |
| Displacement | 45,000 lbs. |
Test Conditions
| Date | 4/9/2025 |
| Location | Hatteras, North Carolina |
| Average Speed (auto) | 25 mph |
| Average Speed (manual) | 25 mph |
| Seas | Following Seas |
| Sea Conditions | 3-4 ft. at 3 seconds |
Performance Results
62%
ROLL ELIMINATION
28%
Pitch ELIMINATION
Roll Rate Comparison
Pitch Rate Comparison
Performance results are measured with the system on and off as a reduction of standard
deviation in pitch and roll rates at all frequencies at a constant heading and speed.
