Halyard attachment hole, Coupler attachment hole, Dimensions (measured from aft face of mast) – Harken 3811 System A CB & Slider Battcar User Manual
Page 18: Boltrope
System A (CB/slider)
18
Headboard coupler attaches to standard headboards - some headboard modification required.
Maximum thickness of headboard plates and sail: 14 mm (9/16")
Halyard
attachment
hole
63.5 mm
(2 1/2")
Halyard Attachment Hole
Use aft hole if headboard has two.
If not, drill second hole to accept halyard shackle
pin. Locate hole approximately 63.5 mm (2 1/2") aft
of existing hole.
Coupler Attachment Hole
Drill 11 mm (7/16") coupler attachment hole so center
is 101 mm (4") from top of headboard. Consult chart
to determine “G" based on Battcar used.
Leave at least 9 mm (3/8") between front of headboard
plate and front edge of coupler attachment hole.
CB/Slider Systems
Installing Headboard Car Assembly
CB/Sliders Systems
Sailmakers Instructions
Dimensions (measured from aft face of mast)
100 mm
4"
G
Min 9.5 mm
(
3
/
8
")
Coupler
attachment
hole
G
Center of coupler
attachment hole to
front edge of
boltrope
3802
40 mm (1
9
/
16
")
3830
30 mm (1
3
/
16
")
3829
44 mm (1
3
/
4
")
3803
43 mm (1
11
/
16
")
CB
3829
Slider
3802
D
C
B
A
E
F
, CB
3812, 1777,
3828, 3831
Slider
1777, 3828
B
A
E
D
CB
3830
Slider
3803
D
C
B
A
E
CB
3811
Slider
3827
D
B
A
E
C
Part
No.
Description
A
B
C
Boltrope setback
D
E
Pin Ø
F
Stud Ø
in
mm
in
mm
in
mm
in
mm
in
mm
mm
System A CB
3811
Headboard car assembly
8
3
/
8
213
1
3
/
8
35
2
1
/
4
/2
7
/
8
*
57/73*
4
102
3
/
16
5
—
3812
Intermediate car
2
1
/
4
57
1
3
/
8
35
—
—
3
/
4
19
3
/
16
5
—
3829
Battcar/10 mm stud
2
7
/
8
73
1
3
/
8
35
2
1
/
4
57
3
11
/
16
94
3
/
16
5
10
3830
Battcar/receptacle
2
7
/
8
73
1
3
/
8
35
2
7
/
8
73
5
3
/
4
146
3
/
16
5
—
3831
Universal Battcar
2
7
/
8
73
1
3
/
8
35
—
—
3
/
4
19
3
/
16
5
—
3881
Battcar/12 mm stud
2
7
/
8
73
1
3
/
8
35
2
3
/
4
69
3
7
/
8
99
1
/
4
6
12
3882
Long batten car/12mm stud
4
1
/
8
105
1
3
/
8
35
2
3
/
4
69
3
7
/
8
99
1
/
4
6
12
3883
Reef car
4
1
/
8
105
1
3
/
8
35
—
—
3
/
4
19
1
/
4
6
—
System A Slider
3827
Headboard car assembly
6
153
1
1
/
16
27
2
1
/
8
54
3
11
/
16
94
3
/
16
5
—
1777
Intermediate car/low-load
2
51
1
1
/
8
28
—
—
3
/
4
19
3
/
16
5
—
3828
Intermediate car
1
3
/
4
44
1
1
/
16
27
—
—
21
/
32
17
3
/
16
5
—
3802
Battcar/10 mm stud
1
3
/
4
44
1
1
/
16
27
2
1
/
8
54
—
—
3
/
16
5
10
3803
Battcar/receptacle
1
3
/
4
44
1
1
/
16
27
2
1
/
8
54
5
1
/
8
130
3
/
16
5
—
- 3812 System A CB & Slider Battcar 3829 System A CB & Slider Battcar 3830 System A CB & Slider Battcar 3831 System A CB & Slider Battcar 3827 System A CB & Slider Battcar 1777 System A CB & Slider Battcar 3828 System A CB & Slider Battcar 3802 System A CB & Slider Battcar 3803 System A CB & Slider Battcar 3804 System A CB & Slider Battcar 3805 System A CB & Slider Battcar 3806 System A CB & Slider Battcar 3808 System A CB & Slider Battcar 3809 System A CB & Slider Battcar 3810 System A CB & Slider Battcar 3824 System A CB & Slider Battcar 3825 System A CB & Slider Battcar 3826 System A CB & Slider Battcar 3807 System A CB & Slider Battcar 2720 System A CB & Slider Battcar