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Ideal for 11.5-13.5 meters (38-44’) Boats

Seakeeper 4

The Seakeeper 4 is setting new standards in roll reduction for boats ranging from 11.5 to 13.5 meters (38 to 44 feet). Its compact, lightweight design is optimised for DC power, making it ideal for boats without generators. It fits anywhere the Seakeeper 3 can, offering a simple yet powerful upgrade solution.

Technical Specifications

Max Rated Speed

8,250 RPM

Angular Momentum at Max Rated RPM

4,000 N-M-S

Max Anti-rolling Torque at Max Rated RPM

10,427 N-m

Spool-up Time to Max Rated RPM

60 minutes (8,250 RPM)

Spool-up Time to Stabilization

34 minutes (6,188 RPM)

Power Consumption

Spool-Up Power

1,050 Watts Max

Spool-Up Power Input

12 VDC @ 88 Amps Max

Operating Power

550 – 1,050 Watts

Operating Power Input

12 VDC @ 46 – 88 Amps

Control Power

120 Watts Max

Control Power Input

12 VDC @ 15 Amps Max

Seawater Pump Power Input

12 VDC @ 15 Amps Max

Weight

338kg (746 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)

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