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03.12.09
PRE-INSTALLATION INSTRUCTIONS
There are three stages to fitting the Leisure furl system.
Fitting the sail track
Fitting the mast components
Fitting the boom and mandrel
Each stage is broken into separate step by step instructions, which will guide you
through the installation.
Before removing or installing any components
check this manual to establish if any
special instructions have been given for this job.
If the track is fitted while the mast is in place,
it may require two persons, one to assist
while the other fits the track in place. While
the track is being fitted in position the other
person can be preparing the mast for later work.
For purposes of fitting the sail track, the aft face
of the mast from the bottom of the luff extrusion
to near the deck should be clear from obstructions,
or sharp edges. Any winches, which are inside of
this area, may need to be repositioned.
Hold the castings in their approximate position to
establish if repositioning of any fittings is required.
Consider the side of the boom as it articulates
from side to side. If the mast has a spinnaker
track down its front face, this will need to be cut
short, above the spool position and a fixed ring
fitted below the spool if later required.
(See Diagram 2)
Diagram 2
For installation to an existing vessel, there are several points to consider. As can be seen
from Diagram 2 if the gooseneck is positioned in the same place as previously in the case
of a retrofit, the bottom of P will rise up around 6 to 8”. This will mean a small amount of sail
area will be lost but the area can usually be trimmed off the top of the sail so the loss will be
minimal. A second consideration is the boom height in the cockpit. Tack angles on con-
ventional sails are normally around 88 deg. and considering that the tack angle is now 87
deg. this will also mean that the boom may be higher anyway. Thirdly, consideration has to
be given to the backstay if clearance is getting marginal. While this should have been
considered at the start, if the boom ends up higher at the gooseneck end and on a greater
angle upwards it could start to become a problem.
Note : With a solid vang, check to ensure the stroke is enough to allow repositioning, if the
boom is to be lowered or raised from the current position. Moving the vang lug along the
boom may not always be a good option, as the angles may become unrealistic.
Diagram 2 shows a mast section and fittings
before conversion to Leisure Furl. When the
new inner bearing casting is held at the old
gooseneck height, the lower arrow indicates
where the shaft hole would end up. The bottom
of ‘P’ would rise up aprox. 7”. The spinnaker
track will need to be cut and removed at the top
arrow.
NOTE: The Leisure Furl gooseneck
lugs may be positioned lower than
the original.
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