AMIC
ESP FIRST CLASS 8Sail number ESP/ESP7170_C
GPH
677
OSN
656.9
LOA
7.85 m
Displacement
1534 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6189
Medium
0.8202
High
0.9285
Triple Offshore
Low
0.7883
Medium
0.9916
High
1.1114
Boat Specifications
Dimensions
- Length overall
- 7.85 m
- Beam
- 2.5 m
- Draft
- 1.84 m
- Displacement
- 1534 kg
- Crew weight
- 320 kg
- Wetted surface
- 13.81 m²
Sails
- Mainsail
- 21.96 m²
- Genoa
- 17.13 m²
- Spinnaker
- 43.98 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST CLASS 8
- Builder
- BENETEAU
- Designer
- FINOT
- Year built
- 1986
- Stability index
- 110
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 | 5.11 | 5.3 | 5.41 | 5.3 | 5.25 | 5.08 | 4.57 | 3.79 |
| 8 | 5.83 | 5.97 | 6.05 | 6.07 | 6.12 | 6 | 5.54 | 4.82 |
| 10 | 6.2 | 6.32 | 6.42 | 6.5 | 6.62 | 6.53 | 6.21 | 5.67 |
| 12 | 6.38 | 6.55 | 6.73 | 6.78 | 7.08 | 7.01 | 6.67 | 6.26 |
| 14 | 6.48 | 6.68 | 6.97 | 7.09 | 7.49 | 7.49 | 7.14 | 6.69 |
| 16 | 6.54 | 6.76 | 7.12 | 7.38 | 7.83 | 8.02 | 7.67 | 7.13 |
| 20 | 6.59 | 6.85 | 7.3 | 7.79 | 8.36 | 9.13 | 9.33 | 8.22 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 40.8° | 3.45 | 145.1° | 3.28 |
| 8 | 38.8° | 4.11 | 150.5° | 4.18 |
| 10 | 36.4° | 4.5 | 154.1° | 4.93 |
| 12 | 36° | 4.66 | 164° | 5.6 |
| 14 | 35.7° | 4.73 | 177.2° | 6.14 |
| 16 | 35.7° | 4.77 | 177.2° | 6.55 |
| 20 | 36.4° | 4.76 | 176.6° | 7.38 |
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