MIROKU II
JPN YOKOYAMA 12mSail number JPN/JPN6089
GPH
561.4
OSN
544.9
LOA
12 m
Displacement
4079 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7031
Medium
0.9714
High
1.127
Triple Offshore
Low
0.9187
Medium
1.2115
High
1.3907
Boat Specifications
Dimensions
- Length overall
- 12 m
- Beam
- 3.36 m
- Draft
- 2.2 m
- Displacement
- 4079 kg
- Crew weight
- 791 kg
- Wetted surface
- 28.25 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 | 6.57 | 6 | 5.83 | 5.25 | 4.37 |
| 8 | 7.14 | 7.45 | 7.65 | 7.65 | 7.42 | 7.28 | 6.61 | 5.53 |
| 10 | 7.74 | 7.96 | 8.16 | 8.18 | 8.17 | 8.07 | 7.66 | 6.69 |
| 12 | 7.95 | 8.22 | 8.63 | 8.73 | 8.87 | 8.78 | 8.26 | 7.62 |
| 14 | 8.07 | 8.39 | 8.95 | 9.29 | 9.48 | 9.58 | 8.95 | 8.19 |
| 16 | 8.15 | 8.5 | 9.15 | 9.75 | 9.97 | 10.4 | 9.74 | 8.8 |
| 20 | 8.28 | 8.65 | 9.36 | 10.22 | 10.84 | 11.53 | 11.84 | 10.31 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.9° | 3.8 | 140° | 3.79 |
| 8 | 42.8° | 4.71 | 139.2° | 4.79 |
| 10 | 40.5° | 5.32 | 146.5° | 5.79 |
| 12 | 39.4° | 5.59 | 154° | 6.64 |
| 14 | 38.6° | 5.72 | 162° | 7.28 |
| 16 | 38.2° | 5.8 | 180° | 7.86 |
| 20 | 37.7° | 5.91 | 180° | 8.96 |
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