Riot
EST Cape 31Sail number EST/EST901
GPH
547.8
OSN
532.9
LOA
9.57 m
Displacement
1832 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7333
Medium
0.9776
High
1.1645
Triple Offshore
Low
0.953
Medium
1.2307
High
1.4421
Boat Specifications
Dimensions
- Length overall
- 9.57 m
- Beam
- 3.05 m
- Draft
- 2.45 m
- Displacement
- 1832 kg
- Crew weight
- 605 kg
- Wetted surface
- 20.46 m²
Sails
- Mainsail
- 37.93 m²
- Genoa
- 24.37 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 115.99 m²
Design
- Type
- Cape 31
- Builder
- Noordhoek
- Designer
- Mills
- Year built
- 2017
- Stability index
- 112.3
Velocity Prediction
Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.81 | 6.19 | 6.74 | 6.94 | 6.75 | 6.4 | 5.64 | 4.74 |
| 8 | 6.95 | 7.15 | 7.45 | 7.84 | 7.67 | 7.54 | 7.09 | 6.07 |
| 10 | 7.37 | 7.68 | 8.05 | 8.47 | 8.78 | 8.62 | 8.03 | 7.08 |
| 12 | 7.55 | 7.94 | 8.6 | 8.93 | 9.71 | 9.64 | 9.25 | 7.99 |
| 14 | 7.66 | 8.1 | 8.87 | 9.63 | 10.34 | 10.79 | 10.63 | 9.08 |
| 16 | 7.85 | 8.29 | 9.05 | 10 | 10.97 | 11.6 | 11.79 | 10.31 |
| 20 | 8.06 | 8.6 | 9.63 | 10.44 | 12.15 | 13.05 | 14.28 | 13.82 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.5° | 3.79 | 143° | 4.11 |
| 8 | 41.7° | 4.72 | 145.1° | 5.26 |
| 10 | 39° | 5.17 | 150.1° | 6.13 |
| 12 | 38.1° | 5.33 | 149.2° | 6.92 |
| 14 | 37.6° | 5.41 | 144.8° | 7.87 |
| 16 | 37° | 5.53 | 144.2° | 8.92 |
| 20 | 37° | 5.59 | 144.9° | 11.97 |
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