ONCE YOU FEEL IT, YOU’LL NEVER BOAT WITHOUT IT.

Seakeeper®

Seakeeper eliminates up to 95% of boat roll, transforming everyone’s experience on the water. Boat owners around the world know it’s a must-have. Are you ready to join them?

Seakeeper 1

Boat Size Range

7-9m (~23-30’)

Boat Weight

up to ~5.5 tons


Seakeeper 2

Boat Size Range

9-11m (30’-36’)

Boat Weight

up to ~8 tons


Seakeeper 3

Boat Size Range

10.5-12.5m (35’-41’)

Boat Weight

up to ~11 tons


Seakeeper 4

Boat Size Range

11.5-13.5m (38-44’)

Boat Weight

up to ~16 tons


Seakeeper 4.5

Boat Size Range

12-14m (40’-46’)

Boat Weight

up to ~18 tons


Seakeeper 6

Boat Size Range

13.5-16m (44’-53’)

Boat Weight

up to ~24 tons


Ideal for 12-14m (40’-46’) Boats

Seakeeper 4.5

The Seakeeper 4.5 eliminates roll on boats from 12.2 to 14 meters (40 to 46 feet) with a powerful punch. This gyro stabiliser packs 50% more stabilising force than the Seakeeper 3, all while being lighter and more compact. Ideal for boats equipped with generators, the Seakeeper 4.5 runs on AC power for seamless integration.

Technical Specifications

Max Rated Speed

9,300 RPM

Angular Momentum at Max Rated RPM

4,500 N-M-S

Max Anti-rolling Torque at Max Rated RPM

11,780 N-m

Spool-up Time to Max Rated RPM

35 minutes (9,300 RPM)

Spool-up Time to Stabilization

19 minutes (6,975 RPM)

Power Consumption

Spool-Up Power

1,950 Watts Max

Operating Power

950 – 1,600 Watts

Operating Power Input

208-230 VAC @ 20 Amps, 50/60 Hz
110 VAC @ 30 Amps (50/60 Hz)

Control Power

120 Watts Max

Control Power Input

12 VDC @ 15 Amps Max

Seawater Pump Power Input

12 VDC @ 15 Amps Max

Weight

333.8kg (736 lb)

Envelope Dimensions

675 L x 713 W x 533 H (mm)
26.56 L x 28.05 W x 20.98 H (inches)

Noise Output

<72 dBC @ 3.3 feet (1 meter)

Seawater Supply to Heat Exchanger

2.5 GPM (9.5 LPM) Minimum 4 GPM (15.2 LPM) Maximum

Ambient Air Temperature

0C – 60C (32F – 140F)

Resources

Seakeeper 9

Boat Size Range

15-18m (50’-60’)

Boat Weight

up to ~30 tons


Seakeeper 10.5

Boat Size Range

16-19m (50’-62’)

Boat Weight

up to ~36 tons


Seakeeper 14

Boat Size Range

17-20m (55’-68’)

Boat Weight

up to ~45 tons


Seakeeper 18

Boat Size Range

18.5-23m (60’-75’)

Boat Weight

up to ~60 tons


Seakeeper 26

Boat Size Range

21.5-26m (70’-85’)

Boat Weight

up to ~75 tons


Seakeeper 40

Boat Size Range

26-33m (85’-110’)

Boat Weight

up to ~115 tons


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