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Seakeeper 3 - PR Nautica Skip to content
Seakeeper 3
Seakeeper 3
Seakeeper 3

Seakeeper 3

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Seakeeper 3 – Superior Stability for Boats 30-40 Feet

Take control of rough waters with the Seakeeper 3, the ultimate gyroscopic stabilizer for boats 30-40 feet. Designed for peak performance, the Seakeeper 3 eliminates up to 95% of boat roll, ensuring a smoother, more enjoyable ride.

Its compact design, efficient power consumption, and easy installation make it the perfect upgrade for center consoles, sport boats, and cruisers.

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 8,450 RPM
Angular Momentum at Max Rated RPM 3,000 N-M-S
Spool-up Time to Max Rated RPM 50 minutes (8,450 RPM)
Spool-up Time to Stabilization 29 minutes (6,337 RPM)
Spool-Up Power 900 Watts Max
Spool-Up Power Input 12 VDC @ 75 Amps Max
Operating Power 400 - 900 Watts (Sea State Dependent)
DC Power Input 12 VDC @ 33-75 Amps
Control Power 125 Watts
Control Power Input 12 VDC @ 15 Amps Max
Seawater Pump Power Input12 VDC @ 15 Amps Max
Weight 550 lbs (249 kg)
Envelope Dimensions 26.8 L x 27.0 W x 23.1 H (inches)
0.680 L x 0.688 W x 0.587 H (meters)
Noise Output ~72 dB at 1 meter
Seawater Supply to Heat Exchanger 2 GPM (7.6 LPM) minimum
6 GPM (22.7 LPM) maximum
Ambient Air Temperature 32° - 140° F (0° - 60° C)

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.

Drawings

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