Trex
AUS Cape 31Sail number AUS/075
GPH
545.7
OSN
529
LOA
9.573 m
Displacement
1840 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7496
Medium
0.9889
High
1.1777
Triple Offshore
Low
0.9587
Medium
1.2332
High
1.4484
Boat Specifications
Dimensions
- Length overall
- 9.573 m
- Beam
- 3.05 m
- Draft
- 2.44 m
- Displacement
- 1840 kg
- Crew weight
- 572 kg
- Wetted surface
- 20.63 m²
Sails
- Mainsail
- 37.96 m²
- Genoa
- 23.99 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 116.74 m²
Design
- Type
- Cape 31
- Builder
- Cape Performance
- Designer
- Mark Mills
- Year built
- 2017
- Stability index
- 115.5
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° |
|---|---|---|---|---|---|---|---|---|
| 4 | 4.51 | 4.84 | 5.08 | 4.89 | 4.9 | 4.79 | 4.02 | 3.33 |
| 6 | 6.02 | 6.32 | 6.51 | 6.37 | 6.52 | 6.41 | 5.72 | 4.78 |
| 8 | 7.01 | 7.22 | 7.35 | 7.28 | 7.65 | 7.6 | 7.13 | 6.06 |
| 10 | 7.47 | 7.78 | 8.08 | 8 | 8.49 | 8.67 | 8.11 | 7.09 |
| 12 | 7.71 | 8.08 | 8.63 | 8.82 | 9.1 | 9.56 | 9.25 | 8.03 |
| 14 | 7.9 | 8.3 | 8.95 | 9.52 | 9.69 | 10.27 | 10.56 | 9.04 |
| 16 | 8.05 | 8.48 | 9.23 | 9.98 | 10.25 | 10.96 | 11.9 | 10.23 |
| 20 | 8.25 | 8.73 | 9.64 | 10.72 | 11.82 | 12.27 | 13.88 | 13.54 |
| 24 | 8.24 | 8.78 | 9.84 | 11.21 | 13.12 | 13.57 | 15.8 | 16.95 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 4 | 42.4° | 2.88 | 141.7° | 2.88 |
| 6 | 42.4° | 3.99 | 141.7° | 4.14 |
| 8 | 39.9° | 4.83 | 145.3° | 5.25 |
| 10 | 38.2° | 5.24 | 148.7° | 6.13 |
| 12 | 37.2° | 5.44 | 150.1° | 6.96 |
| 14 | 36.8° | 5.56 | 145.2° | 7.83 |
| 16 | 36.4° | 5.64 | 145.3° | 8.86 |
| 20 | 36.4° | 5.74 | 144.5° | 11.72 |
| 24 | 37.2° | 5.68 | 149.3° | 14.68 |
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