Storm
RSA Ocean 31Sail number RSA/RSA1967
GPH
718.8
OSN
692.3
LOA
9.35 m
Displacement
4665 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5439
Medium
0.7673
High
0.9126
Triple Offshore
Low
0.7045
Medium
0.9536
High
1.0941
Boat Specifications
Dimensions
- Length overall
- 9.35 m
- Beam
- 3.25 m
- Draft
- 1.49 m
- Displacement
- 4665 kg
- Crew weight
- 571 kg
- Wetted surface
- 24.11 m²
Sails
- Mainsail
- 23.67 m²
- Genoa
- 30.75 m²
- Spinnaker
- 63.08 m²
- Asymmetric spinnaker
- 54.23 m²
Design
- Type
- Ocean 31
- Builder
- Robertson & Caine
- Designer
- Lavranos
- Year built
- 1992
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 | 4.38 | 4.67 | 4.84 | 4.74 | 4.77 | 4.62 | 4.15 | 3.53 |
| 8 | 5.3 | 5.59 | 5.76 | 5.76 | 5.86 | 5.7 | 5.22 | 4.58 |
| 10 | 5.93 | 6.18 | 6.37 | 6.48 | 6.58 | 6.47 | 6.08 | 5.46 |
| 12 | 6.35 | 6.55 | 6.73 | 6.9 | 7 | 6.93 | 6.66 | 6.19 |
| 14 | 6.62 | 6.8 | 6.97 | 7.17 | 7.32 | 7.26 | 7.04 | 6.69 |
| 16 | 6.76 | 6.96 | 7.17 | 7.37 | 7.62 | 7.58 | 7.35 | 7.04 |
| 20 | 6.81 | 7.04 | 7.43 | 7.62 | 8.18 | 8.22 | 8.02 | 7.63 |
| 24 | 6.78 | 7.05 | 7.5 | 7.9 | 8.62 | 9.01 | 8.89 | 8.31 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 45.8° | 2.8 | 146.2° | 3.06 |
| 8 | 44° | 3.46 | 149.6° | 3.96 |
| 10 | 42.8° | 3.95 | 152.8° | 4.74 |
| 12 | 41.5° | 4.33 | 156.8° | 5.42 |
| 14 | 40.3° | 4.59 | 167.3° | 6.02 |
| 16 | 40° | 4.7 | 176.3° | 6.53 |
| 20 | 40.3° | 4.7 | 178.8° | 7.19 |
| 24 | 41.8° | 4.57 | 178.6° | 7.75 |
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