DARK STORM
USA J 121Sail number USA/USA61219
GPH
541.2
OSN
525.2
LOA
12.19 m
Displacement
6097 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7629
Medium
1.0155
High
1.1515
Triple Offshore
Low
0.9784
Medium
1.2464
High
1.3976
Boat Specifications
Dimensions
- Length overall
- 12.19 m
- Beam
- 3.75 m
- Draft
- 2.35 m
- Displacement
- 6097 kg
- Crew weight
- 818 kg
- Wetted surface
- 32.92 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
- Stability index
- 124.5
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 6.12 | 6.45 | 6.66 | 6.51 | 6.62 | 6.47 | 5.81 | 4.9 |
| 8 | 7.25 | 7.49 | 7.64 | 7.61 | 7.83 | 7.76 | 7.25 | 6.2 |
| 10 | 7.79 | 7.98 | 8.14 | 8.13 | 8.45 | 8.46 | 8.12 | 7.3 |
| 12 | 8.02 | 8.25 | 8.5 | 8.56 | 8.9 | 9.06 | 8.8 | 8.08 |
| 14 | 8.14 | 8.4 | 8.78 | 8.95 | 9.24 | 9.62 | 9.5 | 8.61 |
| 16 | 8.22 | 8.5 | 8.96 | 9.29 | 9.58 | 10.07 | 10.32 | 9.18 |
| 20 | 8.31 | 8.63 | 9.19 | 9.8 | 10.23 | 11 | 12.31 | 10.89 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.9° | 4.02 | 143° | 4.24 |
| 8 | 40.6° | 4.92 | 146° | 5.37 |
| 10 | 38.7° | 5.48 | 149.3° | 6.32 |
| 12 | 37.5° | 5.71 | 151.4° | 7.01 |
| 14 | 37° | 5.84 | 149.2° | 7.46 |
| 16 | 37° | 5.92 | 147.1° | 7.95 |
| 20 | 37° | 5.97 | 143.7° | 9.43 |
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