MKIV Ocean Unit 2
9
Preassembly
Short Top Foil
Top foil length
from worksheet
Actual top foil
Shorten bottom of
bottom foil by this
amount
in
mm
in
mm
in
mm
UNIT 2
4
1
/
2
114
5 3/4
146
1/2
13
4
100
5 3/4
146
3/4
19
3
1
/
2
89
5 3/4
146
1 1/4
32
3
76
5 3/4
146
1 3/4
45
2
1
/
2
64
5 3/4
146
2 1/4
57
2
51
5 3/4
146
2 3/4
70
1
1
/
2
38
5 3/4
146
3 1/4
83
Unit 2
Top foil length from worksheet:
6
3
/
4
" - 5
7
/
8
" (171 - 149 mm)
No change necessary.
Unit 2
Top foil length from worksheet:
5
3
/
4
" – 4
5
/
8
" (146 – 117 mm)
Cut top trim cap to 5 3/4" (146 mm) as shown above.
Unit 2
Top foil length from worksheet:
4
1
/
2
" -
1
1
/
2
"
(114 - 38 mm)
Actual Top Foil
5
3
/
4
" (146 mm)
Do not cut top foil
to length from worksheet. Cut top
foil to 5
3
/
4
" (146 mm) and shorten trim cap
by 1
3
/
16
" (30 mm) as shown at left. Shorten bottom foil
per chart below. Foil will be clamped in
upper holes
.
6 3/4"
(171 mm)
Cut 1 3/16" (30 mm)
off top trim cap
Cut-off Do not use.
5 3/4"
(146 mm)
Unit 2
Top foil length from worksheet:
1" -
1
/
2
" (25 – 13 mm)
Do not use short top foil.
Use full length foil and
clamp foil higher in drum assembly.
Use one of the following special techniques for foils under 6 3/4" (171 mm) to ensure sufficient bearing surface for
foil in area of halyard swivel.
Cut-Offs
Do Not Use
Upper holes
In this method only the upper holes
are used thus there is limited up/
down foil adjustment.