Factory tests have induced loads on the centerboard far above even
extreme conditions without failure of the laminate or the internal
bonding.
The centerboard and trunk are primed and bottom painted prior to
installation. Then, the centerboard is secured in place within the
trunk with a 1" diameter stainless steel pin passing through the pin
tubes and held in place with polyester bonding putty.
The 1/4" centerboard pennant attaches to the upper trailing edge of the
centerboard with a 1-3/4" x 3/8" clevis pin through an eye spliced
thimble. The line passes through the top of the molded centerboard
trunk into the fiberglass table base.
A teak trimmed fiberglass table base in the main cabin is secured to the
top of the centerboard trunk with epoxy and glass tape. This base
serves as a housing for the tackle system which lowers and raises the
centerboard.
Within the table base, the pennant attaches to a tackle system.
Two systems have been developed for this. One system provides the means
for adjusting the attitude of the centerboard from below and the other
from on deck.
By attaching the 1/4" dacron braid line centerboard pennant to a 4:1
tackle system within the table base, the board is easily
raised or lowered by hand~
The tackle system is made up of a double sheave block (one with a
becket) and 3/8" dacron braid line eye spliced to it. (Refer to diagrams
in this manual for details of each system.)
The centerboard reduces leeway and produces lift improving the boats
windward ability. In light air, it may not be necessary to use the
centerboard at all. Down wind as well as under power the centerboard is
generally retracted fully into the centerboard trunk for less
resistance, greater maneuverability, and shallower draft.
Many times you will find that with certain sail combinations, points of
sail, and sea conditions, more or less weather helm is desired. By
adjusting the attitude of the centerboard, you attain the desired
balance and feel of the helm. Pull the centerboard aft to reduce
weather helm and swing the board forward to increase weather helm.
You may hear the centerboard, as it shifts with the roll of the hull or
while tacking, make a slight thud. This is normal behavior for all
centerboard systems under certain conditions.
To inspect the centerboard system, remove the fasteners at the top of
the table base which hold the table top in place and remove the folding
braces from the table top. Lift the table top off the table base to
inspect or service parts.
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