163
E
P
Ordering Battcar Systems
Mainsail Area
P x E x .5
1. Determine System Size
The four sizes, systems AA, A, B, and C, 
are based on sail area (pages 134-141). 
If you need to reduce car stack height on 
mast, see Switch T-Track Battcar Systems 
(pages 142-149).
2. Determine Track Quantity and Type
Use Mainsail Luff Length chart on each system page to deter-
mine number of track sections.
Slug-mount: most common. Requires 1 slug-mount kit per 
track section. Select slug that matches the mast’s boltrope 
groove shape.
Drill-tap: for masts without a boltrope groove. Requires 
1 splice link at each track joint. 
3. Choose Endstop Kit 
Quick-release: includes screwpin or pinstop endstop for 
bottom of mast and fixed endstop for the top.
Fixed: Includes two fixed endstops.
4. Choose Cars
Order 1 headboard, 1 Battcar for every full batten, and 
use the Intermediate Car Chart to determine number of 
intermediate cars. 
CB system: all captive ball bearing components. Lowest 
friction system for fast sail hoists, douses, and reefs.
Combination system: CB headboard and Battcars, Slider 
intermediate cars. Reduces cost but uses CB in the most 
critical load areas.
Slider system: all slider components. Raise and lower sails 
without jamming the sail in the groove.
Components
Batten car 
options
Battcar/receptacle
Battcar/stud
Intermediate car
Headboard
car assembly
(Mainsail batten)
Track and mounting kit
Endstop, fixed,
pinstop, or screwpin
Intermediate car
Endstop, fixed 
OR
System
size
Maximum sail area
Typical boat length
Monohull
Multihull
Monohull
Multihull
ft2
m2
ft2
m2
ft
m
ft
m
AA
350
32
275
25
a 37
a 11.3 
a 30
a 9.1
A
600
56
500
46
37 - 50
11.3 - 15.2
30 - 40
9.1 - 12.2
B
900
83
700
65
50 - 60
15.2 - 18.3
40 - 50
12.2 - 15.2
C
1940
180
1510
140
60 - 90
18.3 - 27
50 - 70
15.2 - 21
Distance between battens*
Intermediate cars 
between battens
ft
m
8 or less
2.4 or less
1
9 - 13
2.7 - 4
2
14 - 16
4.3 - 4.9
3
5. Contact 
If you have questions, please contact your dealer or Harken 
Technical Service.
Intermediate Cars
*Boats without full battens should use 1 intermediate CB or slider car per 1.2 m 
(4') and no Battcars.

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