FLACH
FRA FIRST 18 QSail number FRA/FRA44549
GPH
847.4
OSN
832
LOA
5.5 m
Displacement
600 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.4859
Medium
0.6277
High
0.7067
Triple Offshore
Low
0.632
Medium
0.7895
High
0.8915
Boat Specifications
Dimensions
- Length overall
- 5.5 m
- Beam
- 2.4 m
- Draft
- 0.9 m
- Displacement
- 600 kg
- Crew weight
- 249 kg
- Wetted surface
- 8.14 m²
Sails
- Mainsail
- 11.23 m²
- Genoa
- 7.68 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 18 Q
- Builder
- BENETEAU
- Designer
- FINOT
- Year built
- 1978
- Stability index
- 94
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 | 3.96 | 4.28 | 4.6 | 4.61 | 4.28 | 4.13 | 3.78 | 3.28 |
| 8 | 4.62 | 4.91 | 5.15 | 5.16 | 5.05 | 4.96 | 4.64 | 4.09 |
| 10 | 4.99 | 5.25 | 5.43 | 5.47 | 5.45 | 5.38 | 5.19 | 4.73 |
| 12 | 5.19 | 5.46 | 5.71 | 5.83 | 5.85 | 5.75 | 5.54 | 5.14 |
| 14 | 5.32 | 5.65 | 6.01 | 6.22 | 6.28 | 6.17 | 5.91 | 5.42 |
| 16 | 5.38 | 5.77 | 6.27 | 6.59 | 6.77 | 6.64 | 6.3 | 5.7 |
| 20 | 5.33 | 5.79 | 6.47 | 7.18 | 8.15 | 8 | 7.34 | 6.33 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 46.6° | 2.51 | 146.9° | 2.84 |
| 8 | 46° | 2.95 | 147.1° | 3.55 |
| 10 | 46° | 3.21 | 147.6° | 4.1 |
| 12 | 46° | 3.34 | 176.6° | 4.58 |
| 14 | 45.3° | 3.46 | 178.1° | 5.05 |
| 16 | 45.3° | 3.53 | 179° | 5.36 |
| 20 | 48.1° | 3.38 | 179° | 5.95 |
Loading polar chart…