BIG DREAM
JPN SWING 31Sail number JPN/JPN6953
GPH
649.2
OSN
632.4
LOA
9.498 m
Displacement
2815 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6462
Medium
0.8525
High
0.9602
Triple Offshore
Low
0.827
Medium
1.0337
High
1.1406
Boat Specifications
Dimensions
- Length overall
- 9.498 m
- Beam
- 3.25 m
- Draft
- 1.74 m
- Displacement
- 2815 kg
- Crew weight
- 477 kg
- Wetted surface
- 17.93 m²
Sails
- Mainsail
- 31.13 m²
- Genoa
- 26.61 m²
- Spinnaker
- 54.05 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- SWING 31
- Builder
- TSUBOI YACHT
- Designer
- ICHIRO YOKOYAMA
- Year built
- 1989
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.42 | 5.66 | 5.82 | 5.71 | 5.45 | 5.26 | 4.72 | 3.97 |
| 8 | 6.18 | 6.35 | 6.46 | 6.43 | 6.4 | 6.25 | 5.77 | 5.03 |
| 10 | 6.55 | 6.7 | 6.82 | 6.83 | 6.9 | 6.81 | 6.47 | 5.91 |
| 12 | 6.72 | 6.88 | 7.07 | 7.13 | 7.3 | 7.22 | 6.92 | 6.53 |
| 14 | 6.79 | 6.98 | 7.25 | 7.39 | 7.64 | 7.61 | 7.32 | 6.94 |
| 16 | 6.83 | 7.03 | 7.35 | 7.61 | 7.94 | 8 | 7.73 | 7.32 |
| 20 | 6.88 | 7.12 | 7.5 | 7.89 | 8.4 | 8.87 | 8.7 | 8.11 |
| 24 | 6.86 | 7.13 | 7.59 | 8.1 | 8.8 | 9.81 | 10.76 | 9.28 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 41.9° | 3.6 | 144.3° | 3.44 |
| 8 | 39.9° | 4.29 | 149.8° | 4.35 |
| 10 | 37.8° | 4.68 | 154.1° | 5.14 |
| 12 | 37.5° | 4.83 | 162.2° | 5.82 |
| 14 | 37.3° | 4.9 | 176.3° | 6.39 |
| 16 | 37.4° | 4.93 | 179° | 6.82 |
| 20 | 37.9° | 4.93 | 179° | 7.53 |
| 24 | 39.8° | 4.8 | 177.9° | 8.31 |
Loading polar chart…