DAKOTA
USA FIRST 47.7Sail number USA/USA25443
GPH
570.3
OSN
553.4
LOA
14.5 m
Displacement
11845 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6909
Medium
0.9578
High
1.1019
Triple Offshore
Low
0.9009
Medium
1.1973
High
1.3485
Boat Specifications
Dimensions
- Length overall
- 14.5 m
- Beam
- 4.51 m
- Draft
- 2.28 m
- Displacement
- 11845 kg
- Crew weight
- 1143 kg
- Wetted surface
- 43.78 m²
Sails
- Mainsail
- 62.84 m²
- Genoa
- 69.06 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 172.52 m²
Design
- Type
- FIRST 47.7
- Builder
- BENETEAU
- Designer
- FARR Bruce
- Year built
- 1999
- Stability index
- 117.1
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.59 | 5.99 | 6.34 | 6.28 | 6.1 | 5.97 | 5.31 | 4.49 |
| 8 | 6.72 | 7.12 | 7.45 | 7.43 | 7.47 | 7.33 | 6.7 | 5.7 |
| 10 | 7.57 | 7.87 | 8.09 | 8.12 | 8.3 | 8.22 | 7.81 | 6.83 |
| 12 | 8.01 | 8.25 | 8.44 | 8.51 | 8.76 | 8.71 | 8.43 | 7.77 |
| 14 | 8.2 | 8.44 | 8.69 | 8.81 | 9.18 | 9.19 | 8.88 | 8.29 |
| 16 | 8.3 | 8.54 | 8.89 | 9.1 | 9.54 | 9.69 | 9.36 | 8.62 |
| 20 | 8.38 | 8.64 | 9.11 | 9.61 | 10.02 | 10.53 | 10.44 | 9.27 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 45° | 3.6 | 143.8° | 3.89 |
| 8 | 43.2° | 4.4 | 147.3° | 4.94 |
| 10 | 42.6° | 5.04 | 146° | 5.92 |
| 12 | 41.7° | 5.45 | 149.6° | 6.73 |
| 14 | 40.5° | 5.66 | 150.5° | 7.18 |
| 16 | 39.9° | 5.78 | 156.8° | 7.49 |
| 20 | 40.2° | 5.84 | 176.3° | 8.44 |
Loading polar chart…