RIPTIDE
USA Express 27Sail number USA/USA32122
GPH
671.4
OSN
652.4
LOA
8.309 m
Displacement
1136 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.613
Medium
0.815
High
0.9168
Triple Offshore
Low
0.7895
Medium
1.0034
High
1.1277
Boat Specifications
Dimensions
- Length overall
- 8.309 m
- Beam
- 2.46 m
- Draft
- 1.34 m
- Displacement
- 1136 kg
- Crew weight
- 385 kg
- Wetted surface
- 12.86 m²
Sails
- Mainsail
- 17.4 m²
- Genoa
- 18.72 m²
- Spinnaker
- 42.71 m²
- Asymmetric spinnaker
- 40.11 m²
Design
- Type
- Express 27
- Builder
- Alsberg
- Designer
- Schumaker
- Year built
- 1982
- Stability index
- 105.5
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.12 | 5.39 | 5.55 | 5.42 | 5.25 | 5.1 | 4.58 | 3.82 |
| 8 | 5.93 | 6.12 | 6.24 | 6.2 | 6.24 | 6.12 | 5.64 | 4.88 |
| 10 | 6.29 | 6.46 | 6.63 | 6.66 | 6.82 | 6.72 | 6.39 | 5.76 |
| 12 | 6.44 | 6.66 | 6.94 | 7.05 | 7.36 | 7.31 | 6.92 | 6.44 |
| 14 | 6.52 | 6.76 | 7.14 | 7.41 | 7.86 | 7.93 | 7.49 | 6.93 |
| 16 | 6.56 | 6.82 | 7.27 | 7.71 | 8.28 | 8.61 | 8.18 | 7.45 |
| 20 | 6.57 | 6.87 | 7.42 | 8.08 | 9.04 | 10.24 | 10.42 | 8.81 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.1° | 3.33 | 144.2° | 3.3 |
| 8 | 41.4° | 4.03 | 146.9° | 4.23 |
| 10 | 39.4° | 4.42 | 151.4° | 5 |
| 12 | 38.8° | 4.54 | 159.2° | 5.7 |
| 14 | 38.8° | 4.59 | 173.6° | 6.25 |
| 16 | 39° | 4.6 | 175.4° | 6.71 |
| 20 | 40.5° | 4.53 | 169.4° | 7.68 |
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