Wells MOD-400TD User Manual Page 31

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  • TROUBLESHOOTING
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300 mm
31
6.3 Routing the furling line
The illustration below shows a model arrangement of the furling line routing inside an anchor well to
achieve maximum furling performance. The turning block inside the anchor well and the sheave box
required to lead the line through the deck are not included in the Furlex package as these parts must
often be individually adapted for each boat.
It must be possible to belay the furling line securely. A block with a Cam-cleat works
well when securing a reef, but is unreliable if the boat is left unattended.
The line should then be secured on a normal cleat for safety reasons. We recommend a
single turning block in combination with a cleat.
If the furling line is accidentally released, the sail may unfurl and flap unchecked in
strong winds. It could be damaged irreparably!
Fig. 6.3.a
Fig. 6.3.b
The final turning block by the cockpit is not included in the
Furlex kit.
This needs to be matched individually to each boat
depending on the attachment points, the line arrangement
chosen and possibly also the type of other blocks on the
boat.
We recommend a swivel block which is free to self-align.
The maximum working load of the block should not be less
than:
Wire Ø12: 17 000 N (3820Lbs)
Wire Ø14: 25 000 N (5620Lbs)
Fig. 6.3.c
The line should be led aft to the cockpit via the lead blocks included in the Furlex package. The lead
blocks are mounted on stanchions and the pulpit. See fig: 6.4.a (next page) for installation instructions.
The furling line must enter the line drum perpendicular to
the forestay. There must be at least 300 mm from the drum
to the rst turning point of the line to make the line furl
evenly on the drum
Blocks with large sheaves on roller bearings are recom-
mended to minimize friction losses. (Avoid leading the line
through tubes incorporated in the deck as this increases the
risk of friction on the furling line.)
Strength requirement: to cope with the loads for which the
Furlex system is designed, the turning block below deck
and through-deck passage sheave house must have a safe
working load of not less than:
Wire Ø12: 12 000 N
Wire Ø14: 18 000 N
When the line is tted the line guide is nally aligned and
the locking screw is permanently tightened.( See "Assem-
bly of line drum and line guide" chapter 4.3)
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