MARY STAR OF THE SEA
ITA J 80Sail number ITA/ITA143J80
GPH
653
OSN
636.6
LOA
8.032 m
Displacement
1490 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7278
Medium
0.941
High
1.0591
Triple Offshore
Low
0.9288
Medium
1.1526
High
1.2903
Boat Specifications
Dimensions
- Length overall
- 8.032 m
- Beam
- 2.49 m
- Draft
- 1.51 m
- Displacement
- 1490 kg
- Crew weight
- 340 kg
- Wetted surface
- 13.63 m²
Sails
- Mainsail
- 21.26 m²
- Genoa
- 20.76 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 62.32 m²
Design
- Type
- J 80
- Builder
- J COMPOSITE
- Designer
- JOHNSTONE
- Year built
- 1997
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.15 | 5.44 | 5.65 | 5.6 | 5.63 | 5.49 | 4.94 | 4.21 |
| 8 | 6.02 | 6.18 | 6.29 | 6.33 | 6.46 | 6.38 | 6.04 | 5.27 |
| 10 | 6.34 | 6.49 | 6.65 | 6.66 | 6.98 | 6.94 | 6.62 | 6.09 |
| 12 | 6.47 | 6.67 | 6.97 | 7.07 | 7.41 | 7.55 | 7.18 | 6.54 |
| 14 | 6.55 | 6.77 | 7.18 | 7.45 | 7.75 | 8.13 | 7.83 | 6.93 |
| 16 | 6.59 | 6.84 | 7.31 | 7.77 | 8.08 | 8.55 | 8.63 | 7.43 |
| 20 | 6.68 | 6.94 | 7.43 | 8.1 | 8.76 | 9.5 | 10.85 | 9.28 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.3° | 3.4 | 145.1° | 3.64 |
| 8 | 41.1° | 4.12 | 148° | 4.57 |
| 10 | 38.4° | 4.53 | 150° | 5.27 |
| 12 | 37.2° | 4.68 | 151.2° | 5.68 |
| 14 | 36.7° | 4.75 | 176.4° | 6.14 |
| 16 | 36.8° | 4.77 | 177.4° | 6.53 |
| 20 | 36.9° | 4.81 | 139.4° | 8.03 |
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