Boli
KOR Yamaha 31EXSail number KOR/KOR4514
GPH
696.1
OSN
673.7
LOA
9.31 m
Displacement
3677 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5792
Medium
0.797
High
0.9322
Triple Offshore
Low
0.7459
Medium
0.9756
High
1.1023
Boat Specifications
Dimensions
- Length overall
- 9.31 m
- Beam
- 3.25 m
- Draft
- 1.83 m
- Displacement
- 3677 kg
- Crew weight
- 550 kg
- Wetted surface
- 20.29 m²
Sails
- Mainsail
- 27.72 m²
- Genoa
- 26.55 m²
- Spinnaker
- 56.27 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- Yamaha 31EX
- Builder
- Yamaha
- Designer
- Yamaha
- Year built
- 1989
- Stability index
- 112.6
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.64 | 4.9 | 5.1 | 5.04 | 5.05 | 4.9 | 4.43 | 3.79 |
| 8 | 5.5 | 5.79 | 6 | 6.04 | 6.11 | 5.95 | 5.42 | 4.78 |
| 10 | 6.11 | 6.29 | 6.43 | 6.57 | 6.63 | 6.55 | 6.23 | 5.64 |
| 12 | 6.42 | 6.56 | 6.69 | 6.88 | 6.98 | 6.91 | 6.66 | 6.3 |
| 14 | 6.59 | 6.75 | 6.91 | 7.09 | 7.35 | 7.26 | 7 | 6.69 |
| 16 | 6.68 | 6.87 | 7.11 | 7.23 | 7.68 | 7.62 | 7.36 | 7.01 |
| 20 | 6.74 | 6.96 | 7.36 | 7.67 | 8.07 | 8.28 | 8.09 | 7.69 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.03 | 146.9° | 3.28 |
| 8 | 41.8° | 3.64 | 152° | 4.14 |
| 10 | 41.8° | 4.14 | 153.3° | 4.9 |
| 12 | 39.6° | 4.53 | 159.5° | 5.59 |
| 14 | 38.4° | 4.73 | 174.8° | 6.17 |
| 16 | 37.8° | 4.82 | 179° | 6.57 |
| 20 | 37.8° | 4.86 | 179° | 7.2 |
Loading polar chart…