PROTON
ESP FIRST 21.7 SSail number ESP/ESP6391_C
GPH
752.5
OSN
731.9
LOA
6.22 m
Displacement
1183 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5625
Medium
0.7317
High
0.825
Triple Offshore
Low
0.7129
Medium
0.8911
High
0.9911
Boat Specifications
Dimensions
- Length overall
- 6.22 m
- Beam
- 2.5 m
- Draft
- 1.74 m
- Displacement
- 1183 kg
- Crew weight
- 308 kg
- Wetted surface
- 11.36 m²
Sails
- Mainsail
- 14.86 m²
- Genoa
- 15.8 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 33.75 m²
Design
- Type
- FIRST 21.7 S
- Builder
- BENETEAU
- Designer
- FINOT JEAN MARIE
- Year built
- 2000
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.53 | 4.72 | 4.83 | 4.74 | 4.76 | 4.6 | 4.17 | 3.59 |
| 8 | 5.21 | 5.35 | 5.44 | 5.5 | 5.53 | 5.42 | 5.08 | 4.48 |
| 10 | 5.56 | 5.66 | 5.76 | 5.91 | 5.96 | 5.88 | 5.64 | 5.14 |
| 12 | 5.77 | 5.89 | 6.02 | 6.23 | 6.35 | 6.28 | 6.03 | 5.54 |
| 14 | 5.91 | 6.06 | 6.25 | 6.47 | 6.71 | 6.66 | 6.4 | 5.84 |
| 16 | 5.96 | 6.15 | 6.43 | 6.6 | 7.06 | 7.05 | 6.77 | 6.12 |
| 20 | 6 | 6.23 | 6.62 | 6.94 | 7.66 | 7.98 | 7.65 | 6.7 |
| 24 | 6 | 6.26 | 6.72 | 7.17 | 8.08 | 9.06 | 9.16 | 7.36 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 41.7° | 3.04 | 146.2° | 3.11 |
| 8 | 39.9° | 3.61 | 147.1° | 3.88 |
| 10 | 37.7° | 4 | 147.8° | 4.45 |
| 12 | 36.3° | 4.24 | 169.8° | 4.81 |
| 14 | 35.9° | 4.32 | 174.9° | 5.32 |
| 16 | 36° | 4.35 | 176.8° | 5.68 |
| 20 | 37° | 4.31 | 177° | 6.24 |
| 24 | 38.8° | 4.22 | 176.6° | 6.8 |
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