MIROKU II
JPN YOKOYAMA 12mSail number JPN/JPN6089
GPH
562.2
OSN
545.1
LOA
12 m
Displacement
4079 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7893
Medium
1.0938
High
1.2718
Triple Offshore
Low
1.0289
Medium
1.3627
High
1.5657
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 | 5.87 | 6.24 | 6.54 | 6.45 | 5.94 | 5.78 | 5.21 | 4.34 |
| 8 | 7.14 | 7.44 | 7.63 | 7.6 | 7.39 | 7.23 | 6.59 | 5.5 |
| 10 | 7.75 | 7.96 | 8.15 | 8.15 | 8.17 | 8.05 | 7.63 | 6.66 |
| 12 | 7.96 | 8.23 | 8.62 | 8.71 | 8.85 | 8.75 | 8.24 | 7.6 |
| 14 | 8.09 | 8.4 | 8.94 | 9.27 | 9.46 | 9.55 | 8.91 | 8.18 |
| 16 | 8.17 | 8.51 | 9.14 | 9.73 | 9.94 | 10.36 | 9.7 | 8.78 |
| 20 | 8.3 | 8.67 | 9.36 | 10.21 | 10.78 | 11.42 | 11.77 | 10.27 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44° | 3.81 | 139.9° | 3.76 |
| 8 | 42.5° | 4.72 | 146.1° | 4.77 |
| 10 | 40.3° | 5.34 | 146.3° | 5.77 |
| 12 | 39.1° | 5.61 | 153.8° | 6.63 |
| 14 | 38.2° | 5.76 | 161.8° | 7.26 |
| 16 | 37.8° | 5.83 | 180° | 7.85 |
| 20 | 37.2° | 5.95 | 180° | 8.94 |
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