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C-T Sailbattens
PO Box 71-131
Rosebank
Auckland 1348
New Zealand
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CT33S Technical Information
Dimensions, Stiffness & Weight
   
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All CT33S s-glass/carbon sail battens are custom-made to meet design specifications or to suit the yacht for which they have been ordered. Once batten design is complete accurate information on batten size, weight and stiffness can be provided. Batten sectional size varies depending on:

  • mandrel selection
  • taper (changes with batten length)
  • laminate thickness

The chart below has been compiled to provide basic size, weight and stiffness information for typical battens in the CT33S range.

   
 
CT33S Batten Dimensions, Stiffness & Weight

LUFF:
A=Width
B=Height

LEECH:
C=Width
D=Height
C-T Sailbatten dimensions - measurement points
 
Batten
Code
Luff Size
A  x  B  
Leech Size
C  x  D    
Average
EI
Weight
/ metre
Max.
Length
CT33S-15.200
12 x 35
19.5 x 34.0
200 Nm2
400 g
8.2m
CT33S-15.400
12 x 35
20.5 x 34.5
400 Nm2
450 g
8.2m
CT33S-15.600
13 x 35
21.5 x 35.0
600 Nm2
480 g
8.2m
CT33S-15.800
14 x 36
22.5 x 35.5
800 Nm2
540 g
8.2m
CT33S-15.1000
14 x 36
23.0 x 36.0
1000 Nm2
590 g
8.2m
CT33S-15.1300
15 x 37
23.5 x 36.5
1300 Nm2
630 g
8.2m
CT33S-20.1300
14 x 36
26.5 x 35.5
1300 Nm2
535 g
8.2m
CT33S-15.1600
16 x 37
24.0 x 37.0
1600 Nm2
710 g
8.2m
CT33S-20.1600
14 x 36
26.5 x 36.0
1600 Nm2
570 g
8.2m
CT33S-15.2000
17 x 38
24.5 x 37.5
2000 Nm2
765 g
8.2m
CT33S-20.2000
15 x 37
27.5 x 36.5
2000 Nm2
610 g
8.2m
CT33S-20.2400
16 x 38
28.5 x 37.2
2400 Nm2
710 g
8.2m
CT33S-20.2800
17 x 39
29.5 x 38.5
2800 Nm2
800 g
8.2m
CT33S-20.3400
19 x 40
31.5 x 39.5
3400 Nm2
840 g
8.2m
CT33S-20.4000
20 x 41
32.5 x 40.5
4000 Nm2
960 g
8.2m
CT33S-20.4600
22 x 41
33.5 x 41.5
4600 Nm2
1000 g
8.2m

NOTE: All figures have been calculated at the maximum 1-piece batten length (8.2m).

Batten Code: Mandrel sizes are represented by the D-dimension at the leech. They are shown in the Batten Code column as: -15, -20

Luff Size: Sizes given are a minimum and are based on bare batten material
- add +1.0mm for kevlar over-braiding
- add +5.0mm for rubber boot (boom-furling battens only)
- battens can be built to a standard luff size (e.g. 19mm x 36mm)

Leech Size: Sizes given are a minimum and are based on bare batten material at a length of 8.2m. Dimensions will be larger on battens longer than 8.2m. Please enquire for a size estimate.
- add +1.0mm for kevlar over-braiding

Average EI: This figure is calculated from a 3-pt bend test and represents the overall average stiffness of the batten.

Maximum Length: The maximum 1-piece batten length is as shown. Battens provided in longer lengths will have a join at 8.2m. A second join is available at 16.4m if required.

 
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  NEW AND INFO
MAX. BATTEN LENGTH
Battens over 8.2m are supplied with joins. For full details on joining battens click here