| |
Ullman
Sails J 24 Tuning Guide
Mast Setup
|
Rig Component |
Measurement |
| Mast Pre-Bend measured at the spreaders |
1" |
| Mast Butt Placement |
1" to 2" aft of neutral |
| Forestay Tension with the rig at base |
2 to 3 fingers between the Loos guage and the forestay |
| Spreader Deflection |
150mm to 160mm |
Rig Tension
| Wind Strength
|
0-5 |
6-10 |
11-15 |
16-20 |
21+ |
| Upper shrouds
|
18
|
23
|
26
|
29
|
31 |
| Lower shrouds
|
15
|
20
|
24
|
29
|
33 |
Genoa Trim
| Wind Strength
|
0-5
|
6-10
|
11-15
|
16-20
|
21+
|
| Foot from Shroud
|
4"
|
1 - 2"
|
2"
|
4"
|
N/A
|
| Leech from Spreader
|
2 - 4"
|
2"
|
2 - 4"
|
4 - 6"
|
N/A |
Jib Trim
| Wind Strength
|
16 - 20
|
21+
|
| Leech in from spreader tip
|
2 - 4"
|
2" outboard of spreader tip |
|
|
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