TORTOOGA
ESP FIRST 27.7Sail number ESP/ESP6648_C
GPH
681.3
OSN
657
LOA
8.3 m
Displacement
2994 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5902
Medium
0.8195
High
0.9615
Triple Offshore
Low
0.7591
Medium
0.9981
High
1.1351
Boat Specifications
Dimensions
- Length overall
- 8.3 m
- Beam
- 3.03 m
- Draft
- 2.16 m
- Displacement
- 2994 kg
- Crew weight
- 564 kg
- Wetted surface
- 19.93 m²
Sails
- Mainsail
- 25.61 m²
- Genoa
- 19.82 m²
- Spinnaker
- 56.32 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 27.7
- Builder
- BENETEAU SA
- Designer
- Groupe FINOT
- Year built
- 2002
- Stability index
- 119.7
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 | 4.68 | 4.92 | 5.09 | 5.14 | 5.17 | 5 | 4.51 | 3.83 |
| 8 | 5.59 | 5.85 | 6.02 | 6.17 | 6.23 | 6.08 | 5.55 | 4.86 |
| 10 | 6.2 | 6.37 | 6.49 | 6.69 | 6.75 | 6.66 | 6.35 | 5.75 |
| 12 | 6.53 | 6.65 | 6.76 | 7 | 7.13 | 7.05 | 6.78 | 6.41 |
| 14 | 6.72 | 6.86 | 7.01 | 7.16 | 7.55 | 7.47 | 7.15 | 6.8 |
| 16 | 6.81 | 7 | 7.25 | 7.34 | 7.93 | 7.93 | 7.58 | 7.15 |
| 20 | 6.86 | 7.08 | 7.53 | 7.91 | 8.36 | 8.84 | 8.59 | 7.98 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.3° | 3.09 | 146° | 3.31 |
| 8 | 40.5° | 3.75 | 150.5° | 4.21 |
| 10 | 40° | 4.27 | 152.9° | 4.99 |
| 12 | 37.8° | 4.71 | 159.2° | 5.68 |
| 14 | 36° | 4.95 | 173.9° | 6.26 |
| 16 | 35.4° | 5.02 | 179° | 6.67 |
| 20 | 35.8° | 5.05 | 178.1° | 7.35 |
Loading polar chart…