JOLT 4
GBR Cape 31Sail number GBR/GBR3118X
GPH
538.4
OSN
527
LOA
9.573 m
Displacement
1800 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7621
Medium
0.99
High
1.1678
Triple Offshore
Low
0.9861
Medium
1.2427
High
1.4428
Boat Specifications
Dimensions
- Length overall
- 9.573 m
- Beam
- 3.05 m
- Draft
- 2.44 m
- Displacement
- 1800 kg
- Crew weight
- 600 kg
- Wetted surface
- 20.31 m²
Sails
- Mainsail
- 37.91 m²
- Genoa
- 24.21 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 115.57 m²
Design
- Type
- Cape 31
- Builder
- Cape Performance S
- Designer
- Mark Mills
- Year built
- 2017
- Stability index
- 111.2
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 6.37 | 6.76 | 7.08 | 7.1 | 6.72 | 6.42 | 5.72 | 4.8 |
| 8 | 7.11 | 7.36 | 7.8 | 8 | 7.65 | 7.59 | 7.12 | 6.1 |
| 10 | 7.48 | 7.81 | 8.22 | 8.68 | 8.52 | 8.61 | 8.1 | 7.11 |
| 12 | 7.7 | 8.07 | 8.64 | 9.13 | 9.59 | 9.38 | 9.25 | 8.05 |
| 14 | 7.85 | 8.25 | 8.93 | 9.56 | 10.43 | 10.04 | 10.55 | 9.06 |
| 16 | 7.95 | 8.39 | 9.14 | 9.94 | 11.02 | 11.21 | 11.75 | 10.25 |
| 20 | 8.06 | 8.54 | 9.45 | 10.5 | 12.11 | 12.95 | 13.61 | 13.62 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.8° | 4.14 | 142.6° | 4.16 |
| 8 | 39.4° | 4.91 | 146° | 5.28 |
| 10 | 38.1° | 5.26 | 149.2° | 6.16 |
| 12 | 37.2° | 5.42 | 149.6° | 6.97 |
| 14 | 37° | 5.52 | 146° | 7.84 |
| 16 | 36.9° | 5.57 | 144.7° | 8.88 |
| 20 | 37° | 5.61 | 145.6° | 11.79 |
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