SEAKEEPER RIDE SEA TRIAL REPORT

Vessel Characteristics
| Boat Make | Sportsman Boats |
| Boat Model | Open 282 |
| Boat Year | 2025 |
| System | Seakeeper Ride 525 |
| Length Overall | 28 ft. 5 in. |
| Beam Overall | 9 ft. 10 in. |
| Engine Configuration | 2x Yamaha 300 HP |
| Displacement | 7,224 lbs. |
Test Conditions
| Date | 7/30/2024 |
| Location | Charleston |
| Average Speed (auto) | 31 mph |
| Average Speed (manual) | 31 mph |
| Seas | Following |
| Sea Conditions | 2-3 ft. at 2 seconds |
Performance Results
22%
ROLL ELIMINATION
52%
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.

