JOY IV
NOR FIRST 31.7 LRSail number NOR/NOR10107
GPH
669
OSN
648.9
LOA
9.85 m
Displacement
3858 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6033
Medium
0.8241
High
0.9421
Triple Offshore
Low
0.7794
Medium
1.0157
High
1.1309
Boat Specifications
Dimensions
- Length overall
- 9.85 m
- Beam
- 3.21 m
- Draft
- 1.94 m
- Displacement
- 3858 kg
- Crew weight
- 350 kg
- Wetted surface
- 21.57 m²
Sails
- Mainsail
- 26.41 m²
- Genoa
- 29.95 m²
- Spinnaker
- 60.13 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 31.7 LR
- Builder
- Beneteau
- Designer
- Finot
- Year built
- 1998
- Stability index
- 109.6
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.92 | 5.2 | 5.43 | 5.37 | 5.2 | 5.03 | 4.52 | 3.82 |
| 8 | 5.85 | 6.13 | 6.33 | 6.31 | 6.32 | 6.16 | 5.61 | 4.88 |
| 10 | 6.45 | 6.65 | 6.8 | 6.83 | 6.94 | 6.86 | 6.49 | 5.81 |
| 12 | 6.69 | 6.88 | 7.07 | 7.13 | 7.32 | 7.26 | 7 | 6.56 |
| 14 | 6.77 | 6.98 | 7.25 | 7.39 | 7.69 | 7.67 | 7.38 | 7.01 |
| 16 | 6.81 | 7.02 | 7.35 | 7.64 | 7.95 | 8.1 | 7.82 | 7.38 |
| 20 | 6.83 | 7.03 | 7.43 | 7.95 | 8.32 | 8.75 | 8.81 | 8.23 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.22 | 146° | 3.31 |
| 8 | 41.4° | 3.91 | 150.2° | 4.23 |
| 10 | 40.6° | 4.41 | 152° | 5.04 |
| 12 | 39.9° | 4.64 | 157.4° | 5.77 |
| 14 | 39.4° | 4.73 | 169.1° | 6.38 |
| 16 | 39.3° | 4.76 | 177.2° | 6.86 |
| 20 | 39.9° | 4.76 | 178.1° | 7.57 |
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