MIROKU II
JPN YOKOYAMA 12mSail number JPN/JPN6089
GPH
561.5
OSN
545.1
LOA
12 m
Displacement
4079 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7902
Medium
1.0935
High
1.2704
Triple Offshore
Low
1.0326
Medium
1.3629
High
1.5649
Boat Specifications
Dimensions
- Length overall
- 12 m
- Beam
- 3.36 m
- Draft
- 2.2 m
- Displacement
- 4079 kg
- Crew weight
- 791 kg
- Wetted surface
- 28.36 m²
Sails
- Mainsail
- 40.39 m²
- Genoa
- 45.15 m²
- Spinnaker
- 92.65 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- YOKOYAMA 12m
- Builder
- ITO BOAT YARD
- Designer
- AKIRA YOKOYAMA
- Year built
- 2003
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.89 | 6.29 | 6.64 | 6.56 | 5.99 | 5.82 | 5.23 | 4.36 |
| 8 | 7.14 | 7.44 | 7.65 | 7.65 | 7.41 | 7.27 | 6.61 | 5.51 |
| 10 | 7.74 | 7.96 | 8.15 | 8.17 | 8.17 | 8.06 | 7.65 | 6.67 |
| 12 | 7.96 | 8.23 | 8.62 | 8.71 | 8.85 | 8.76 | 8.25 | 7.6 |
| 14 | 8.08 | 8.4 | 8.94 | 9.27 | 9.46 | 9.55 | 8.93 | 8.18 |
| 16 | 8.16 | 8.51 | 9.14 | 9.73 | 9.94 | 10.36 | 9.71 | 8.78 |
| 20 | 8.3 | 8.66 | 9.35 | 10.21 | 10.8 | 11.49 | 11.77 | 10.26 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.8° | 3.81 | 139.9° | 3.77 |
| 8 | 42.6° | 4.72 | 145.6° | 4.77 |
| 10 | 40.4° | 5.34 | 146.2° | 5.77 |
| 12 | 39.1° | 5.61 | 153.9° | 6.63 |
| 14 | 38.2° | 5.75 | 162.3° | 7.27 |
| 16 | 37.9° | 5.82 | 180° | 7.85 |
| 20 | 37.4° | 5.94 | 180° | 8.94 |
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