RIPTIDE
USA Express 27Sail number USA/USA32122
GPH
669
OSN
649.5
LOA
8.309 m
Displacement
1136 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6018
Medium
0.8169
High
0.9236
Triple Offshore
Low
0.7812
Medium
1.0122
High
1.1487
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
- 105.3
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.94 | 5.28 | 5.54 | 5.45 | 5.28 | 5.11 | 4.58 | 3.82 |
| 8 | 5.91 | 6.13 | 6.28 | 6.27 | 6.3 | 6.19 | 5.71 | 4.89 |
| 10 | 6.33 | 6.5 | 6.68 | 6.77 | 6.91 | 6.79 | 6.44 | 5.82 |
| 12 | 6.48 | 6.74 | 7.09 | 7.19 | 7.55 | 7.46 | 7.01 | 6.49 |
| 14 | 6.55 | 6.85 | 7.36 | 7.67 | 8.19 | 8.21 | 7.66 | 7.01 |
| 16 | 6.58 | 6.91 | 7.5 | 8.08 | 8.66 | 9.05 | 8.48 | 7.6 |
| 20 | 6.61 | 6.96 | 7.61 | 8.46 | 9.47 | 10.47 | 10.76 | 9.13 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.1° | 3.19 | 144.2° | 3.31 |
| 8 | 43.5° | 3.91 | 146.9° | 4.23 |
| 10 | 40.6° | 4.4 | 150.2° | 5.04 |
| 12 | 39.6° | 4.55 | 159.5° | 5.76 |
| 14 | 39.4° | 4.59 | 175.4° | 6.3 |
| 16 | 39.6° | 4.59 | 173.6° | 6.76 |
| 20 | 40.8° | 4.56 | 151.4° | 7.91 |
Loading polar chart…