Harken 3838 User Manual
Battcar Installation Manual
System B CB and Slider Cars
6mm Clevis Pin
CB/Slider Systems Parts List
Thank you for puchasing Harken's B
Battcar system. Please read manual
before assembling system.
Headboard Cars (Assembly)
3838
CB
Track Mounting Kit
3845, 3846
3833
Slider
Spare
Car
Screws
Intermediate Cars
3839
CB
3836
Slider
Batten Cars without Receptacle
3840/3841 – CB
3834/3835 – Slider
Screwpin Endstop Kits
e
3847, 3848
f
Universal Battcar
Reef Car
3842
CB
3843 – CB
You will need these tools:
Tape Me a sur e
Phillips Screwdriver
Power screwdriver
Drill / Drill Bit:
Hex wrench: 5 mm
Nut Driver: 10 mm or Open/Box Wrench
Centerpunch / Hammer
Putty knife / Hacksaw / File / Tape
Mast-Up Installation: Stepladder
g
secured to the boat.
Work Height: 7' (2.13 m) above boom.
17
/64" (6.5 mm)
h
a
b
d
c
k
CB/Slider System Parts
CB System
Part No.
3838 3833
3839 3836
3840 3834
3841 3835
3842 —
3843 —
Track and Accessories
Part No. Description Includes
3845, 3846
3847
3848
3850, 3851
3844
1616
Slider System
Part No.
Headboard cars
Intermediate cars If battens are close enough intermediate cars are not needed.
Batten car 10 mm Threaded stud. Purchase batten receptacle separately.
Batten car 12 mm Threaded stud. Purchase batten receptacle separately.
Universal Battcar Purchase batten receptacle and threaded stud separately.
Reef Tack car Requires special track with closer hole spacing
Track Mounting
Kit
Screwpin
Endstop Kit
Endstop Kit (g) 2 endstops 1522A; (i) 4 HFS1037 flathead screws 6 x 30 mm; (f) 2 stop slugs 1
Track (slug type) Section length: 6'9
Track (drill and
tap type)
(a) 19 mounting slugs
(c) 2 Tubes Blue Loctite
(e) 1 end track with screwpin stop; (f) 1 top stop slug 1
(22 mm); (i) 2 HFS321 flathead screws 6 x 20 mm; (j) 2 HFS1037 flathead screws 6 x 30 mm; (k) 1 tube blue Loctite
Use for masts without grooves or when slugs will not fit. Purchase stainless steel
Do not use 3844 track. It requires mounting slugs. See page 8 for drill/tap sizes and mounting instructions.
Description
7
/8" (22 mm); (b) 1 connector slug 3" (76 mm);
®;
(d) 21 HFS321 Flathead screws 6 x 20 mm.
1
/8" (2.06 m). Number of track sections depends on luff length of your mainsail.
Track (Mounting Slug Type)
Endstop Kits
3850, 3851
i
j
3844
11/16" (27 mm)
1616
9
/16"
(14 mm)
9
/16"
(14 mm)
Track (Drill and Tap Type)
Comments
7
/16" (36 mm); (g) 1 top endstop 1522A; (h) 1 mounting slug 7/8"
7
/16" (36 mm)
1
/4" (6 mm) screws separately.
®.
System B (CB/Slider) 4252/12-05
2
CB/Slider Systems Sizing/Sail Modifications
Sizing
Make sure that you have the correct size battcar system for your boat.
Maximum Sail Area
Monohull Multihull
CB System
2
900 ft
83 m
2
700 ft
65 m
Slider System
2
900 ft
83 m
2
700 ft
65 m
Part No.
Headboard
2
2
2
2
3811 3840, 3841 3839
3833 3834, 3835 3836
Part No.
Battcars
Part No.
Intermediate Cars
Sail Modifications
See page 12.
1. Mainsail Headboard
A. Drill new halyard location
B. Drill Attachment to accept clevis
pin for #3833 or 3838 headboard
car coupler.
2. Batten receptacle on sail to accept 10 mm
threaded stud. Note: Harken does not
supply receptacle.
3. Becket spacer on sail for 3839 (CB) or
3836 (slider) intermediate cars.
CB/Slider Systems Track Length
Number of Track Sections
1
8"
203 mm
Botton endstop track and variable length
top track included.
Number of
Track 6'91/8" (2.06m)
Length Track Sections
41'6" to 48'2"
12.649 m to 14.681 m
48'3" to 54'11"
14.707 m to 16.739 m
55'0" to 61'8"
16.764 m to 18.796 m
61'9" to 68'5"
18.821 m to 20.853 m
68'6" to 75'2"
20.879 m to 22.911 m
7
8
9
10
11
Determine Track Length
Measure track length from point 1 to point 2.
See diagram at left. Use this measurement
2
in two charts to follow.
1. Upper End—8" (203 mm) above black band. Track
is longer than sail luff length to allow for stretch as
sail ages. Track must not block halyard exit.
2. Lower End, Using 3847, 3848—Bottom of track
will be approximately 3/8" (10 mm) above gooseneck
fitting. When installed, track should be as low as
possible yet you should still be able to install
long headboard cars. Test measurement by
using long headboard car. See photo above.
3850, 3851 Endstop Kit—Cut a 93/8" (238 mm) piece
from finished end of one of the 6'91/8" (2.06 m) 3844
tracks. You will remove this track when loading cars
so it can be lower on mast. See page 7, step 11.
Drill lower hole for stop. See page 5, step 3.
4252/12-05 System B (CB/Slider)
3
CB/Slider Systems Top Track Length
Round track length to nearest 1" (25 mm).
NOTE: Chart is based on using a 9
3
/8" (238 mm) or 91/2" (241 mm) lower end track.
Total Track Length (as defined on page 3) Top Track Length
41' 6" 12.649 m 48' 3" 14.707 m 55' 0" 16.764 m 61' 9" 18.821 m 68' 6" 20.879 m 11/2" 38 mm
3
41' 7" 12.675 m 48' 4" 14.732 m 55' 1" 16.789 m 6 1' 10" 18.847 m 68' 7" 20.904 m 2
41' 8" 12.700 m 48' 5" 14.757 m 55' 2" 16.815 m 61' 11" 18.872 m 68' 8" 20.930 m 3" 76 mm
41' 10" 12.751 m 48' 7" 14.808 m 55' 4" 16.866 m 62' 1" 18.923 m 68' 10" 20.980 m 5" 127 mm
42' 0" 12.802 m 48' 9" 14.8 59 m 55' 6" 16.916 m 62' 3" 18.974 m 69' 0" 21.031 m 7" 178 mm
42' 2" 12.852 m 48' 11" 14.910 m 55' 8" 16.9 67 m 62' 5" 19.025 m 69' 2" 21.082 m 9" 229 mm
42' 4" 12.903 m 49' 1" 14.961 m 55' 10" 17. 018 m 62' 7" 19.075 m 69' 4" 21.13 3 m 11" 279 mm
42' 6" 12.954 m 49' 3" 15. 011 m 56' 0" 17. 06 9 m 62' 9" 19 .126 m 69' 6" 21.18 4 m 1' 1" 330 mm
42' 8" 13.00 5 m 49' 5" 15.062 m 56' 2" 17.120 m 6 2' 11" 19 .17 7 m 69' 8" 21.234 m 1' 3" 381 mm
42' 10" 13.0 56 m 49' 7" 15.113 m 56' 4" 17.170 m 63' 1" 19.228 m 69' 10" 21.28 5 m 1' 5" 432 mm
43' 0" 13.10 6 m 49' 9" 15.16 4 m 56' 6" 17. 2 21 m 63' 3" 19.279 m 70' 0" 21.336 m 1' 7" 483 mm
43' 2" 13.157 m 49' 11" 15.215 m 56' 8" 17. 2 72 m 63' 5" 19.329 m 70' 2" 21. 387 m 1' 9" 533 mm
43' 4" 13.20 8 m 50' 1" 15.265 m 56' 10" 17. 3 23 m 63' 7" 19.380 m 70' 4" 21.438 m 1' 11" 584 mm
43' 6" 13.259 m 50' 3" 15.316 m 57' 0" 17. 374 m 63' 9" 19.431 m 70' 6" 21.48 8 m 2' 1" 635 mm
43' 8" 13.310 m 50' 5" 15.367 m 57' 2" 17. 424 m 63' 11" 19.482 m 70' 8" 21.5 39 m 2' 3" 686 mm
43' 10" 13.360 m 50' 7" 15.418 m 57' 4" 17.475 m 64' 1" 19.5 33 m 70' 10" 21.590 m 2' 5" 737 mm
44' 0" 13.411 m 50' 9" 15.469 m 57' 6" 17.5 2 6 m 64' 3" 19.58 3 m 71' 0" 21.6 41 m 2' 7" 787 mm
44' 2" 13.46 2 m 5 0' 11" 15.519 m 57' 8" 17. 5 7 7 m 64' 5" 19.634 m 71' 2" 21.692 m 2' 9" 838 mm
44' 4" 13.513 m 51' 1" 15.570 m 57' 10 " 17. 62 8 m 64' 7" 19.685 m 71' 4" 2 1.742 m 2' 11" 889 mm
44' 6" 13.564 m 51' 3" 15.6 21 m 58' 0" 17.6 7 8 m 64' 9" 19.736 m 71' 6" 21.793 m 3' 1" 940 mm
44' 8" 13.614 m 51' 5" 15.672 m 58' 2" 17.7 2 9 m 64' 11" 19.787 m 71' 8" 21.844 m 3' 3" 991 mm
44' 10" 13.665 m 51' 7" 15.723 m 58' 4" 17. 7 8 0 m 65' 1" 19.837 m 71' 10" 21.895 m 3' 5" 1.0 41 m
45' 0" 13.716 m 51' 9" 15.773 m 58' 6" 17.831 m 65' 3" 19.888 m 72' 0" 21.946 m 3' 7" 1.092 m
45' 2" 13.767 m 51' 11" 15.824 m 58' 8" 17. 8 8 2 m 65' 5" 19.939 m 72' 2" 21.996 m 3' 9" 1.14 3 m
45' 4" 13.818 m 52' 1" 15.875 m 5 8' 10" 17. 9 32 m 65' 7" 19.990 m 72' 4" 22.047 m 3' 11" 1.19 4 m
45' 6" 13.86 8 m 52' 3" 15.926 m 59' 0" 17.9 8 3 m 65' 9" 20.0 41 m 72' 6" 22.098 m 4' 1" 1.245 m
45' 8" 13.919 m 52' 5" 15.977 m 59' 2" 18.0 3 4 m 6 5' 11" 20.091 m 72' 8" 2 2 .149 m 4' 3" 1.295 m
45' 10" 13.970 m 52' 7" 16.027 m 59' 4" 18.085 m 66' 1" 20.142 m 72' 10 " 22.200 m 4' 5" 1.34 6 m
46' 0" 14.021 m 52' 9" 16.078 m 59' 6" 18 .136 m 66' 3" 20 .193 m 73' 0" 22.250 m 4' 7" 1.397 m
46' 2" 14.072 m 52' 11" 16.129 m 59' 8" 18.186 m 66' 5" 20.244 m 73' 2" 22.301 m 4' 9" 1.4 4 8 m
46' 4" 14.12 2 m 53' 1" 16.18 0 m 59' 10 " 18. 237 m 66' 7" 20.295 m 73' 4" 22.352 m 4' 11" 1.49 9 m
46' 6" 14.17 3 m 53' 3" 16.231 m 60' 0" 18. 288 m 66' 9" 20.345 m 73' 6" 22.403 m 5' 1" 1.549 m
46' 8" 14.224 m 53' 5" 16.281 m 60' 2" 18. 339 m
66' 11" 20.396 m 73' 8" 22.454 m 5' 3" 1.600 m
46' 10" 14.275 m 53' 7" 16.332 m 60' 4" 18.390 m 67' 1" 20.447 m 73' 10" 22.504 m 5' 5" 1.651 m
47' 0" 14.326 m 53' 9" 16.383 m 60' 6" 18.4 40 m 67' 3" 20.498 m 74' 0" 22.555 m 5' 7" 1.70 2 m
47' 2" 14.376 m 53' 11" 16.434 m 60' 8" 18.491 m 67' 5" 20.549 m 74' 2" 22.606 m 5' 9" 1.75 3 m
47' 4" 14.427 m 54' 1" 16.485 m 60' 10" 18.542 m 67' 7" 20.599 m 74' 4" 22.657 m 5' 11" 1.803 m
47' 6" 14.478 m 54' 3" 16.5 35 m 61' 0" 18.59 3 m 67' 9" 20.650 m 74' 6" 22.708 m 6' 1" 1.8 54 m
47' 8" 14.529 m 54' 5" 16.586 m 61' 2" 18.644 m 6 7' 11" 20.701 m 74' 8" 22.758 m 6' 3" 1.905 m
47' 10" 14.580 m 54' 7" 16.637 m 61' 4" 18.694 m 68' 1" 20.752 m 74' 10 " 22.809 m 6' 5" 1.956 m
48' 0" 14.6 30 m 54' 9" 16.688 m 61' 6" 18 .745 m 68' 3" 20.803 m 75' 0" 22.860 m 6' 7" 2.007 m
48' 2" 14.6 81 m 54' 11" 16.739 m 61' 8" 18.796 m 68' 5" 20.853 m 75' 2" 22.911 m 6' 91/8" 2.060 m
System B (CB/Slider) 4252/1-05
4
/8" 60 mm
CB/Slider Systems Cut Top Track to Length
13/16"
(30 mm)
5
/
16
" (8 mm)
1. Cut special length top track from 6'91/8"
(2.06 m) track.
2. Deburr cut.
Slightly round track corners that will slide
against mast.
3. Drill two 17/64" (6.5 mm) holes in cut
end of track. Center at 5/16" (8 mm) and
13/16" (30 mm)
Short top track lengths
1
1
/2" (38 mm) Use existing hole. Do not
drill second hole.
3
2
/8" (60 mm) Use existing hole, drill hole
5
/16" (8 mm) from cut end.
CB/Slider Systems Check Fit of Mounting Slugs & Car
Will Tighten
Test track: Put mounting slug in groove,
track section on mast. Tighten with screw.
Will Not Tighten
Mounting screw must be long enough for
mast groove. If necessary, purchase
longer screws.
Check Fit
3" (76 mm) connector slug must fit feeder
opening. File opening to make longer.
Use halyard with retrieval line to run
3" (76 mm) connector slug up mast
to check for burrs in groove.
5 or
more
Warning! Screws need minimun
5 threads (turns) engaged to hold
Slug
track to mast.
Mast prebend: May require straightening
before installation.
4252/1-05 System B (CB/Slider)
Turn screw 360° five times after
threads engage slug.
Slug
Clear of Trysail Track?
Cars must clear storm trysail track. Tracks
often converge above spreaders.
Aft face of mast must be flat or convex.
5
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