SEAKEEPER RIDE SEA TRIAL REPORT
Vessel Characteristics
| Boat Make | Valhalla Boatworks |
| Boat Model | V-41 |
| Boat Year | 2025 |
| System | Seakeeper Ride 750 |
| Length Overall | 40 ft. 6 in. |
| Beam Overall | 11 ft. 7 in. |
| Engine Configuration | 4x Mercury 400 HP |
| Displacement | 20,718 lbs. |
Test Conditions
| Date | 7/2/2025 |
| Location | Atlantic City |
| Average Speed (auto) | 27 mph |
| Average Speed (manual) | 27 mph |
| Seas | Stern Quartering |
| Sea Conditions | 5 ft at 4 seconds |
Performance Results
37%
ROLL ELIMINATION
24%
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.
