JOY IV
NOR FIRST 31.7 LRSail number NOR/NOR10107
GPH
661.9
OSN
641.9
LOA
9.85 m
Displacement
3861 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6085
Medium
0.835
High
0.9631
Triple Offshore
Low
0.7861
Medium
1.026
High
1.1522
Boat Specifications
Dimensions
- Length overall
- 9.85 m
- Beam
- 3.21 m
- Draft
- 1.94 m
- Displacement
- 3861 kg
- Crew weight
- 586 kg
- Wetted surface
- 22.2 m²
Sails
- Mainsail
- 26.41 m²
- Genoa
- 30.34 m²
- Spinnaker
- 62.37 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 31.7 LR
- Builder
- Beneteau
- Designer
- Finot
- Year built
- 1998
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.99 | 5.27 | 5.48 | 5.41 | 5.23 | 5.07 | 4.57 | 3.85 |
| 8 | 5.9 | 6.18 | 6.39 | 6.36 | 6.35 | 6.18 | 5.63 | 4.89 |
| 10 | 6.5 | 6.68 | 6.83 | 6.86 | 6.95 | 6.86 | 6.51 | 5.8 |
| 12 | 6.78 | 6.94 | 7.09 | 7.17 | 7.33 | 7.26 | 6.99 | 6.55 |
| 14 | 6.9 | 7.08 | 7.31 | 7.4 | 7.72 | 7.66 | 7.36 | 6.99 |
| 16 | 6.95 | 7.14 | 7.47 | 7.67 | 8.08 | 8.1 | 7.77 | 7.33 |
| 20 | 6.96 | 7.18 | 7.6 | 8.09 | 8.51 | 8.94 | 8.72 | 8.12 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.8° | 3.27 | 146° | 3.34 |
| 8 | 40.9° | 3.94 | 150° | 4.24 |
| 10 | 40.5° | 4.47 | 152° | 5.03 |
| 12 | 38.8° | 4.8 | 157° | 5.75 |
| 14 | 37.9° | 4.92 | 180° | 6.37 |
| 16 | 37.9° | 4.97 | 180° | 6.86 |
| 20 | 38.2° | 4.93 | 180° | 7.54 |
Loading polar chart…