Skip to content

Seakeeper 4.5

Category
Add to quote

Seakeeper 4.5 – Advanced Stability for Boats 40-49 Feet

Maximize your comfort on the water with the Seakeeper 4.5, designed to eliminate up to 95% of boat roll for vessels 40-49 feet. This cutting-edge gyroscopic stabilizer delivers smooth, steady performance, making every trip more enjoyable.

With its compact design and efficient power use, the Seakeeper 4.5 is the perfect addition to sportfishers, center consoles, 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 9,300 RPM
Angular Momentum at Max Rated RPM 4,500 N-M-S
Spool-up Time to Max Rated RPM 35 minutes (9,300 RPM)
Spool-up Time to Stabilization 19 minutes (6,975 RPM)
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 736 lb ( 333.8kg)
Envelope Dimensions 26.56 L x 28.05 W x 20.98 H (inches) 0.675 L x 0.713 W x 0.533 H (meters)
Noise Output ~72 dB @ 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 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!