SEAKEEPER RIDE SEA TRIAL REPORT
Vessel Characteristics
| Boat Make | Spencer Yachts |
| Boat Model | 57 IPS |
| Boat Year | 2009 |
| System | Seakeeper Ride 1500 |
| Length Overall | 57 ft. 0 in. |
| Beam Overall | 16 ft. 10 in. |
| Engine Configuration | 2x Volvo Penta 1000 HP |
| Displacement | 55,000 lbs. |
Test Conditions
| Date | 5/16/2025 |
| Location | Panama City Beach |
| Average Speed (auto) | 35 mph |
| Average Speed (manual) | 35 mph |
| Seas | Stern Quartering |
| Sea Conditions | 2 ft. at 4 sec |
Performance Results
30%
ROLL ELIMINATION
42%
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.
