

They say great things come in small packages and we set out to prove it. The Seakeeper 3 is our biggest smallest thing yet, specially designed to eliminate roll on ~36’ – 39’ boats. Refits have never been easier than with the Seakeeper 3’s leaning post installation option!
Technical specifications
Max Rated Speed | 8,450 RPM |
Angular Momentum at Max Rated RPM | 3,000 N-M-S |
Max Anti-Rolling Torque at Max Rated RPM | 7,854 N-M |
Spool-up Time to Max Rated RPM | 50 minutes (8,450 RPM) |
Spool-up Time to Stabilization | 36 minutes (7,185 RPM) |
Power Consumption | |
Spool-Up Power | 900 Watts Max |
Spool-Up Power Input | 12 VDC @ 85 Amps |
Operating Power | 400 – 750 Watts (Sea State Dependent) |
Operating Power Input | 12 VDC @ 33-62 Amps |
Control Power | 125 Watts |
Control Power Input | 12 VDC @ 10 Amps |
Seawater Pump Power Input Over Current Protection based on installed pump rating | 12 VDC @ 15 Amps Max |
Weight | 550 lbs (249 kg) |
Envelope Dimensions | 26.8 L x 27.0 W x 23.3 H (inches) 0.680 L x 0.685 W x 0.592 H (meters) |
Noise Output | <72 dBC at 1 meter |
Sea Water Supply to Heat Exchanger | 2 – 6 Gal/Min. |
Ambient Air Temperature | 0 – 60 Deg. C (32 – 122 Deg. F) |
Drawings
Frequently asked questions
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 projects
As an official Seakeeper Partner we have conducted over 30 exciting Seakeeper projects world wide.
Seakeeper UK Service Center, Installation Center, and Mobile Service Center.
Get in touch to learn more about how Seakeeper can eliminate boat roll, including the fatigue, anxiety and seasickness that goes with it.