SEAKEEPER RIDE SEA TRIAL REPORT
Vessel Characteristics
| Boat Make | XO |
| Boat Model | DFNDR 9 |
| Boat Year | 2025 |
| System | Seakeeper Ride 525 |
| Length Overall | 28 ft. 10 in. |
| Beam Overall | 8 ft. 6 in. |
| Engine Configuration | 2x Mercury 225 HP |
| Displacement | 5,975 lbs. |
Test Conditions
| Date | 9/3/2025 |
| Location | Ventimiglia, Italy |
| Average Speed (auto) | 29 mph |
| Average Speed (manual) | 29 mph |
| Seas | Stern Quartering |
| Sea Conditions | 3 ft at 3 sec |
Performance Results
38%
ROLL ELIMINATION
55%
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.
