DARK STORM
USA J 121Sail number USA/USA61219
GPH
538.9
OSN
525.6
LOA
12.19 m
Displacement
6097 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7584
Medium
1.0121
High
1.1529
Triple Offshore
Low
0.9839
Medium
1.25
High
1.4073
Boat Specifications
Dimensions
- Length overall
- 12.19 m
- Beam
- 3.75 m
- Draft
- 2.35 m
- Displacement
- 6097 kg
- Crew weight
- 836 kg
- Wetted surface
- 32.96 m²
Sails
- Mainsail
- 54.84 m²
- Genoa
- 43.99 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 176.64 m²
Design
- Type
- J 121
- Builder
- CCF
- Designer
- JOHNSTONE
- Year built
- 2017
- Stability index
- 124.2
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 6.02 | 6.38 | 6.91 | 7.09 | 6.76 | 6.52 | 5.85 | 4.95 |
| 8 | 7.24 | 7.51 | 7.85 | 8 | 7.89 | 7.82 | 7.35 | 6.23 |
| 10 | 7.79 | 7.98 | 8.19 | 8.49 | 8.48 | 8.47 | 8.14 | 7.37 |
| 12 | 7.97 | 8.19 | 8.5 | 8.88 | 9 | 9.14 | 8.8 | 8.1 |
| 14 | 8.06 | 8.31 | 8.76 | 9.16 | 9.63 | 9.64 | 9.59 | 8.61 |
| 16 | 8.12 | 8.38 | 8.92 | 9.43 | 10.22 | 10.11 | 10.52 | 9.25 |
| 20 | 8.29 | 8.61 | 9.09 | 9.87 | 11.08 | 11.6 | 12.36 | 11.11 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.94 | 143.3° | 4.28 |
| 8 | 41.8° | 4.84 | 145.6° | 5.39 |
| 10 | 39.6° | 5.43 | 148.7° | 6.38 |
| 12 | 38.2° | 5.66 | 151.8° | 7.04 |
| 14 | 37.6° | 5.77 | 148.9° | 7.46 |
| 16 | 37.2° | 5.88 | 146.6° | 8.01 |
| 20 | 37.2° | 5.98 | 143° | 9.62 |
Loading polar chart…