model
length
cm
carbon
content
weight
kg
MCS
stiffness
IMCS
stiffness
use
Lightstick
460
100%
1.6
25.4
25.9
SDM Racing
490
100%
1.9
26.1
30.2
520
100%
2.2
26.4
34.4
Joystick
430
75%
1.7
23.9
21.3
SDM Freeride
460
75%
1.9
25.6
26.1
490
75%
2.2
25.8
29.9

Carbon Twill

400
95%
1.6
25.4
19.7
RDM Racing &
Performance
Freeride
430
95%
1.8
26.2
23.4
460
95%
2.0
27.0
27.0
Sumo
 
 
 
370
91%
1.5
24.0
16.0
RDM Hardcore
Wave (stiffer)
 
 
 
400
91%
1.7
25.0
19.4
430
91%
1.9
25.8
23.1
460
91%
2.1
26.0
26.6
Skinny
 
340
90%
1.4 22.0 11.0

RDM Hardcore Wave (softer)

370
90%
1.5 23.0 14.0
400
90%
1.6 24.0 18.0
430
90%
1.9 25.0 22.0
Ripstick
270
0%
1.2
23.4
8.4
RDM Kids &
Schools
315
0%
1.4
22.6
10.9
370
0%
1.8
24.8
16.5
 

One of the most important choices you make when rigging a sail is which mast you put in the mast sleeve.

Or, more specifically, the length, curve and stiffness of the mast, and how closely these parameters match the sail.

The mast is quite literally the backbone of the rig as it governs the sail's performance.

MCS curve and stiffness data for the Sailworks mast range is available here (PDF file, 12Kb).

An explanation of the MCS bend test and the calculation of the IMCS stiffness coefficient is explained here (PDF file, 29Kb).

     
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