OPERATION
MANUAL
Product: Document #: Rev: Page:
SEAKEEPER 3 90379 1 2 of 3
Section 6: SEAKEEPER SPECIFICATIONS
Arrangement
The Seakeeper 3 consists of the Flywheel, Enclosure, Foundation, Electronics, Brake, Cooling,
and Cover Subsystems.
Installation Location
The Seakeeper is a torque device and does not have to be installed in a specific hull location or
on the centerline. However, the Seakeeper should not be installed forward of the longitudinal
center of gravity in a planing vessel.
Mounting Dimensions
See Seakeeper Drawing 90374 for bolt-in installation details.
Loads
The installer is responsible for designing the foundation to which the Seakeeper is attached and
for ensuring that this foundation can safely transfer the concentrated Seakeeper loads from the
frame to the adjacent hull structure. Loads that the Seakeeper imposes on the hull structure are
explained on Seakeeper Drawing 90374; these loads do NOT include vessel motion
accelerations, such as vertical slam loads which can be high for higher speed vessels.
Cooling
The Seakeeper bearings, Motor Drive Box, and hydraulic manifold are cooled by a closed water
/ glycol mix cooling loop that incorporates a seawater heat exchanger. The installer is responsible
for providing 8 – 22 lpm (2 – 6 gpm) raw water at ambient sea temperature and a maximum
pressure of 1.4 Bar (20 psi) to the heat exchanger.
Electrical
The installer is responsible for supplying 12VDC @100A service to the Motor Drive Box and 12
VDC @ 15A service to the Seakeeper Control System. Separate circuit breakers should be used
for each Motor Drive Box in multiple Seakeeper installations. Similarly, separate circuit breakers
should be used for each Seakeeper Control System in multiple Seakeeper installations.
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