NIMAR II
ITA FIRST 31.7Sail number ITA/ITA14331
GPH
671.5
OSN
652
LOA
9.5 m
Displacement
3843 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6818
Medium
0.9236
High
1.0538
Triple Offshore
Low
0.8767
Medium
1.1369
High
1.2636
Boat Specifications
Dimensions
- Length overall
- 9.5 m
- Beam
- 3.23 m
- Draft
- 1.92 m
- Displacement
- 3843 kg
- Crew weight
- 350 kg
- Wetted surface
- 22.27 m²
Sails
- Mainsail
- 26.26 m²
- Genoa
- 29.6 m²
- Spinnaker
- 60.04 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 31.7
- Builder
- BENETEAU
- Designer
- FINOT
- Year built
- 1998
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 | 4.91 | 5.17 | 5.36 | 5.3 | 5.18 | 5.02 | 4.53 | 3.85 |
| 8 | 5.83 | 6.1 | 6.29 | 6.25 | 6.28 | 6.12 | 5.58 | 4.88 |
| 10 | 6.42 | 6.62 | 6.76 | 6.8 | 6.89 | 6.8 | 6.44 | 5.76 |
| 12 | 6.66 | 6.84 | 7.02 | 7.07 | 7.25 | 7.19 | 6.92 | 6.5 |
| 14 | 6.74 | 6.94 | 7.2 | 7.31 | 7.6 | 7.56 | 7.28 | 6.93 |
| 16 | 6.78 | 6.98 | 7.3 | 7.54 | 7.86 | 7.97 | 7.68 | 7.26 |
| 20 | 6.79 | 6.99 | 7.37 | 7.86 | 8.22 | 8.61 | 8.59 | 8.04 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.3° | 3.25 | 146.5° | 3.33 |
| 8 | 40.8° | 3.92 | 150.5° | 4.23 |
| 10 | 40.3° | 4.4 | 152.8° | 5 |
| 12 | 39.7° | 4.64 | 157.7° | 5.71 |
| 14 | 39.2° | 4.72 | 180° | 6.34 |
| 16 | 39.2° | 4.75 | 180° | 6.81 |
| 20 | 39.7° | 4.73 | 180° | 7.48 |
Loading polar chart…