How It Works | Seakeeper Ride Outperforms Trim Tabs & Interceptors

How it works

Seakeeper Ride controllers are mounted to your boat’s transom, below the waterline. Using custom, proprietary inertial sensing hardware and software, the system understands how the boat is behaving in all three axes and commands deployment of the rotary blades to counteract pitch, roll, and yaw. As the blades are deployed, they create lift at the transom, managing the vessel’s motion instantaneously.

Why it’s better

Wave motions can happen consistently or inconsistently, they can be big or small, and can come from any direction. Often, these motions occur in just milliseconds. Thanks to expert control software and hardware, Seakeeper Ride’s proprietary, rapid-deployment rotary blades make 100 adjustments every second to combat wave motions.

Nothing compares to the first-of-its-kind Vessel Attitude Control System, Seakeeper Ride, which can eliminate up to 70% pitch and roll underway.


Rapid Actuation

Rotary blades deploy at a rate of up to 300 mm per second, making 100 adjustments every second; enabled by power-dense rotary design that requires just 7-10 Amps for operation.

Full Underway Control

Controls all motions (pitch, roll, yaw) thanks to deployment speed and proprietary control software and hardware.


Predicts motion and responds instantaneously to eliminate them before they’re felt with no buttons to push nor adjustments to make, providing a boating experience you never imagined.


Drivetrain is completely sealed in a dry and greased environment with no mechanical exposure to saltwater.

Simple Installation

Easily installed on most transoms, both in new and aftermarket boats.

Look Inside

Rotary Blade

The rotary blade deploys in and out of the water flow to build pressure on the seal plate to controls vessel motions.

Seal Plate

The seal plate supports the actuator and the lifting forces created by the controllers.

Rotary Actuator

The rotary actuator physically drives the rotary blade in and out of the water flow.

Actuator Plate

The actuator plate is the foundation that holds the actuator and seal plate to the transom plate.

Wedge Pack

A wedge pack is a combination of wedges to angle the seal plate relative to the hull bottom.

Transom Plate

The transom plate is adhered to the transom to support the lifting forces created by the controllers.

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