CRESCENT IV
JPN J 121Sail number JPN/JPN6860
GPH
549.4
OSN
530.6
LOA
12.19 m
Displacement
6400 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7393
Medium
1.0088
High
1.1547
Triple Offshore
Low
0.9488
Medium
1.2351
High
1.3974
Boat Specifications
Dimensions
- Length overall
- 12.19 m
- Beam
- 3.75 m
- Draft
- 2.54 m
- Displacement
- 6400 kg
- Crew weight
- 826 kg
- Wetted surface
- 33.6 m²
Sails
- Mainsail
- 48.22 m²
- Genoa
- 40.52 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 152.26 m²
Design
- Type
- J 121
- Builder
- CCF COMPONENTS
- Designer
- JOHNSTONE
- Year built
- 2017
- Stability index
- 120.5
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.92 | 6.23 | 6.42 | 6.28 | 6.4 | 6.24 | 5.59 | 4.73 |
| 8 | 7.07 | 7.31 | 7.46 | 7.52 | 7.67 | 7.57 | 7.01 | 6 |
| 10 | 7.72 | 7.89 | 8.01 | 8.11 | 8.34 | 8.29 | 7.93 | 7.1 |
| 12 | 8.05 | 8.22 | 8.39 | 8.4 | 8.86 | 8.88 | 8.56 | 7.91 |
| 14 | 8.25 | 8.46 | 8.7 | 8.76 | 9.3 | 9.44 | 9.18 | 8.39 |
| 16 | 8.36 | 8.61 | 8.97 | 9.1 | 9.62 | 10.03 | 9.86 | 8.85 |
| 20 | 8.49 | 8.78 | 9.29 | 9.74 | 10.28 | 11.02 | 11.65 | 10.13 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.9 | 143.3° | 4.09 |
| 8 | 40.6° | 4.8 | 146° | 5.2 |
| 10 | 38.4° | 5.45 | 148.7° | 6.15 |
| 12 | 36.4° | 5.84 | 151° | 6.85 |
| 14 | 35.8° | 6.03 | 149.8° | 7.26 |
| 16 | 35.2° | 6.14 | 147.7° | 7.67 |
| 20 | 35° | 6.25 | 143.7° | 8.77 |
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