INSTALLATION
MANUAL
Product: Document #: Rev: Page:
SEAKEEPER 6 90402 1 6 of 6
Section 1: MECHANICAL INSTALLATION
1.3 Selection of Installation Method
The Seakeeper 6 can be affixed to the hull structure using two methods 1) Use bolt-in installation
or 2) saddle installation. See figures below.
OPTION 1- DIRECT FASTENING OF SEAKEEPER FOUNDATION TO SHIPS STRUCTURE
Option 1 would be applied when a metal structure is available for attachment. The foundation
would fasten directly to hull structure using isolation gaskets and 16x M12-1.75 fasteners.
Depending on the structure to which the Seakeeper is fastened, blind threaded holes or thru-
bolting can be utilized.
OPTION 2- SADDLE INSTALLATION (4 PLACES)
Option 2 would be most commonly used on a hull constructed of glass reinforced plastic (GRP)
or fiberglass. For this option, four 7.5 inch (191 mm) long by 3.38 inch (85.7 mm) deep
saddles are bonded to properly spaced and prepared structural members that are an integral
part of the hull structure. Seakeeper recommends using a structural adhesive with a lap shear
strength of 2000 psi (13.8 MPa) or greater. Careful consideration should be exercised by the
installer while selecting the appropriate adhesive. Compatibility with the Seakeeper’s cast
aluminum A356- T6 saddles, hull structure and pot life are three important factors to consider.
Proper surface preparation in accordance with adhesive manufacturer’s recommendations prior
to installation is very important.
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