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Seakeeper 40 - PR Nautica Skip to content
Seakeeper 40
Seakeeper 40
Seakeeper 40

Seakeeper 40

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Seakeeper 40 – Ultimate Stability for Superyachts 85-100 Feet

The Seakeeper 40 sets the standard for luxury and stability, eliminating up to 95% of boat roll for superyachts and large vessels 85-100 feet. Designed to provide unmatched comfort on the water, this powerful gyroscopic stabilizer ensures a smooth, stable ride, even in the harshest conditions.

With its advanced technology and efficient performance, the Seakeeper 40 is the ideal choice for those who demand the very best.

OFFICIAL SEAKEEPER SERVICE PARTNER

ELIMINATE BOAT ROLL.

Seakeeper eliminates up to 95% of boat roll. Gone are the days of seasick guests, sea legs and spilled drinks. Seakeeper ensures everyday on the boat is a comfortable one.

Specification

Max Rated Speed 5,150 RPM
Angular Momentum at Max Rated RPM 40,000 N-M-S
Spool-up Time to Max Rated RPM 70 minutes (5,150 RPM)
Spool-up Time to Stabilization 40 minutes (3,863 RPM)
Spool-Up Power 5000 Watts
Operating Power 1,900 - 4,400 Watts
Operating Power Input 208-230 VAC @ 30 Amps, 50/60 Hz
Control Power 240 Watts Max
Control Power Input 24 VDC @ 15 Amps Max
Seawater Pump Power Input 24 VDC @ 20 Amps Max
Sea Water Supply to Heat Exchanger 13 GPM (49 LPM) Minimum 15 GPM (57 LPM) Maximum
Weight 4,074 lb (1,848 kg)
Envelope Dimensions 54.3 L x 55.9 W x 40.6 H (inches) 1.38 L x 1.42 W x 1.04 H (meters)
Noise Output ~73 dB @ 3.3 feet (1 meter)
Ambient Air Temperature 32F - 140F (0C - 60C)

How it Works

Inside a vacuum encapsulation, a flywheel spins at speeds of up to 9,750 rpm. When the boat rolls, the gyro tilts fore and aft (precesses), producing a powerful gyroscopic torque to port and starboard that counteracts the boat roll.

Frequently Asked Questions

It is a computer controlled gyroscope that eliminates most boat roll, including the fatigue, anxiety and seasickness that goes with it. Because of this game changing effect, PR Nautica have successfuly installed over 30 Seakeeper units worldwide.
Typically, the Seakeeper weighs between 2 and 4% of boat weight, requires half or less the power of air conditioning, and fits in available space down in the after part of the hull. Nothing extends outside the hull and the Seakeeper is a small percentage of the overall volume of the boat.
Seakeepers are sutiable for most boats 30 feet and above. PR Nautica can install the best option on new vessels and as a retro project.
Yes, we can fit Seakeepers to both new vessels and aftermarket. The time of a retrofit installtion will vary depending on the Seakeeper and the model of the vessel. Typical installation time is 1-3 weeks. Get in touch for a custom quotation.

Seakeeper Demo Boat

To truly understand how Seakeeper technology can transform your boating experience, nothing beats trying it for yourself. Watching videos or reading sea trial reports is helpful, but experiencing it firsthand is unmatched.

PR Nautica invites you to test the Seakeeper 1 on a Jeanneau Cap Camarat and see its amazing performance in action.

Contact us today to schedule your demonstration sea trial!

Seakeeper Models