 Cunningham
Modification (Rick Perkins GBR225)
This mod has been developed to upgrade
the cunningham to 8:1.
 Mode
Requires:
- 3m vecran 2mm
- 2 x Harken 16mm blocks (404)
Instructions:
Create a 4:1 cascade on each side.
Use the vecran core rope to create the first loop of
the cascade. Splice the end onto the deck loop using
a small be of outer to protect the rope from the forged
deck eye. Arrowed in Red.
Make the loop long enough to allow you
to slide the splice up and down so you can adjust the
range of travel of the cunningham when using old and
news sails. Arrowed in blue.
The second picture in the sequence shows
the cunningham fully eased. In this position the hooks
need to be 57cm off the deck. With an old sail the hooks
would need to be higher as the sail would have shrunk.
To accommodate this just adjust the splices on the vecran
section arrowed in blue in the first picture.
The picture shows how the ends of the
cunningham control line are joined so the system is
continuous. You need about 8m of rope to do this section;
cut to length such that the rope between the wings is
tight when the cunningham is max eased with the hooks
57cm off the deck. The plastic ring is on a bit of elastic
that goesto the bow asa tidy up.
 The
final shot at the bottom shows the cunningham full on
- as you can see the blocks almost blocked out (see
below arrow). If you block out then you need to slide
the spices up on the vectran rope section to adjust
the range.
Verdict: PIMPED
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