JOY IV
NOR FIRST 31.7 LRSail number NOR/NOR10107
GPH
660.6
OSN
641.6
LOA
9.85 m
Displacement
3701 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6888
Medium
0.9409
High
1.0793
Triple Offshore
Low
0.8897
Medium
1.1549
High
1.2921
Boat Specifications
Dimensions
- Length overall
- 9.85 m
- Beam
- 3.22 m
- Draft
- 1.93 m
- Displacement
- 3701 kg
- Crew weight
- 581 kg
- Wetted surface
- 21.93 m²
Sails
- Mainsail
- 26.62 m²
- Genoa
- 31.89 m²
- Spinnaker
- 61.63 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 | 5.04 | 5.33 | 5.55 | 5.48 | 5.23 | 5.07 | 4.58 | 3.86 |
| 8 | 5.95 | 6.22 | 6.42 | 6.41 | 6.35 | 6.18 | 5.64 | 4.9 |
| 10 | 6.52 | 6.7 | 6.84 | 6.87 | 6.93 | 6.85 | 6.5 | 5.8 |
| 12 | 6.78 | 6.94 | 7.1 | 7.16 | 7.32 | 7.24 | 6.97 | 6.55 |
| 14 | 6.87 | 7.05 | 7.31 | 7.42 | 7.71 | 7.65 | 7.34 | 6.98 |
| 16 | 6.91 | 7.11 | 7.44 | 7.69 | 8.08 | 8.1 | 7.77 | 7.32 |
| 20 | 6.91 | 7.13 | 7.55 | 8.07 | 8.5 | 8.96 | 8.73 | 8.12 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.5° | 3.3 | 146° | 3.34 |
| 8 | 41° | 3.98 | 150.2° | 4.24 |
| 10 | 40.1° | 4.51 | 151.9° | 5.03 |
| 12 | 38.7° | 4.79 | 157.9° | 5.75 |
| 14 | 38.1° | 4.89 | 180° | 6.38 |
| 16 | 37.9° | 4.93 | 180° | 6.85 |
| 20 | 38.5° | 4.9 | 180° | 7.53 |
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