SPLIT DECISION
USA ISLANDER 40Sail number USA/USA23937
GPH
609.9
OSN
594.4
LOA
12.055 m
Displacement
7346 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6795
Medium
0.9039
High
1.0326
Triple Offshore
Low
0.8729
Medium
1.1041
High
1.2214
Boat Specifications
Dimensions
- Length overall
- 12.055 m
- Beam
- 3.64 m
- Draft
- 2.19 m
- Displacement
- 7346 kg
- Crew weight
- 697 kg
- Wetted surface
- 31.1 m²
Sails
- Mainsail
- 35.48 m²
- Genoa
- 70.55 m²
- Spinnaker
- 124.18 m²
- Asymmetric spinnaker
- 115.65 m²
Design
- Type
- ISLANDER 40
- Builder
- ISLANDER
- Designer
- PETERSON
- Year built
- 1979
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.62 | 5.92 | 6.16 | 6.08 | 5.65 | 5.49 | 5.01 | 4.26 |
| 8 | 6.63 | 6.86 | 7 | 6.97 | 6.82 | 6.67 | 6.15 | 5.32 |
| 10 | 7.08 | 7.24 | 7.37 | 7.37 | 7.38 | 7.32 | 7.02 | 6.29 |
| 12 | 7.25 | 7.42 | 7.6 | 7.64 | 7.74 | 7.71 | 7.47 | 7.04 |
| 14 | 7.34 | 7.52 | 7.77 | 7.87 | 8.07 | 8.09 | 7.84 | 7.46 |
| 16 | 7.38 | 7.57 | 7.87 | 8.09 | 8.31 | 8.46 | 8.24 | 7.8 |
| 20 | 7.4 | 7.61 | 7.98 | 8.37 | 8.65 | 8.97 | 9.05 | 8.55 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42° | 3.73 | 146° | 3.69 |
| 8 | 41.2° | 4.44 | 150° | 4.61 |
| 10 | 40.5° | 4.91 | 150° | 5.45 |
| 12 | 39° | 5.15 | 156.5° | 6.19 |
| 14 | 38.2° | 5.27 | 174° | 6.8 |
| 16 | 37.9° | 5.33 | 180° | 7.28 |
| 20 | 37.3° | 5.39 | 180° | 7.96 |
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