DARK STORM
USA J 121Sail number USA/USA61219
GPH
542.1
OSN
525.8
LOA
12.188 m
Displacement
6097 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7605
Medium
1.0149
High
1.1546
Triple Offshore
Low
0.9755
Medium
1.2449
High
1.3989
Boat Specifications
Dimensions
- Length overall
- 12.188 m
- Beam
- 3.75 m
- Draft
- 2.35 m
- Displacement
- 6097 kg
- Crew weight
- 830 kg
- Wetted surface
- 33.16 m²
Sails
- Mainsail
- 51.69 m²
- Genoa
- 43.83 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 172.66 m²
Design
- Type
- J 121
- Builder
- CCF
- Designer
- JOHNSTONE
- Year built
- 2017
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 6.1 | 6.42 | 6.64 | 6.49 | 6.61 | 6.46 | 5.79 | 4.89 |
| 8 | 7.22 | 7.46 | 7.62 | 7.59 | 7.81 | 7.75 | 7.24 | 6.18 |
| 10 | 7.78 | 7.97 | 8.13 | 8.11 | 8.44 | 8.44 | 8.1 | 7.28 |
| 12 | 8.02 | 8.24 | 8.49 | 8.54 | 8.88 | 9.04 | 8.77 | 8.06 |
| 14 | 8.15 | 8.39 | 8.76 | 8.93 | 9.22 | 9.59 | 9.47 | 8.59 |
| 16 | 8.24 | 8.51 | 8.95 | 9.27 | 9.55 | 10.03 | 10.27 | 9.14 |
| 20 | 8.36 | 8.67 | 9.22 | 9.79 | 10.19 | 10.94 | 12.24 | 10.79 |
| 24 | 8.39 | 8.73 | 9.37 | 10.15 | 10.83 | 11.86 | 14.16 | 13.93 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.9° | 4.01 | 142.8° | 4.23 |
| 8 | 40.7° | 4.91 | 145.9° | 5.35 |
| 10 | 38.6° | 5.47 | 148.9° | 6.31 |
| 12 | 37.3° | 5.73 | 151.2° | 6.99 |
| 14 | 37° | 5.86 | 149.2° | 7.43 |
| 16 | 36.7° | 5.96 | 147.1° | 7.92 |
| 20 | 36.5° | 6.05 | 143.6° | 9.35 |
| 24 | 37.4° | 6.01 | 144.1° | 12.06 |
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