JOY IV
NOR FIRST 31.7 LRSail number NOR/NOR10107
GPH
670.6
OSN
650.2
LOA
9.61 m
Displacement
3858 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6074
Medium
0.8227
High
0.9381
Triple Offshore
Low
0.7813
Medium
1.0117
High
1.1234
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.94 m
- Displacement
- 3858 kg
- Crew weight
- 350 kg
- Wetted surface
- 21.74 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
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.02 | 5.27 | 5.44 | 5.33 | 5.16 | 4.99 | 4.46 | 3.76 |
| 8 | 5.9 | 6.12 | 6.28 | 6.23 | 6.24 | 6.09 | 5.56 | 4.83 |
| 10 | 6.42 | 6.61 | 6.76 | 6.76 | 6.88 | 6.8 | 6.41 | 5.75 |
| 12 | 6.65 | 6.85 | 7.03 | 7.09 | 7.27 | 7.23 | 6.95 | 6.48 |
| 14 | 6.74 | 6.95 | 7.21 | 7.34 | 7.6 | 7.6 | 7.35 | 6.97 |
| 16 | 6.79 | 7 | 7.32 | 7.55 | 7.85 | 7.95 | 7.75 | 7.34 |
| 20 | 6.82 | 7.06 | 7.45 | 7.82 | 8.17 | 8.55 | 8.57 | 8.1 |
| 24 | 6.77 | 7.03 | 7.5 | 7.99 | 8.29 | 8.94 | 9.72 | 9.01 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.31 | 145.2° | 3.25 |
| 8 | 40.7° | 4.01 | 149.2° | 4.19 |
| 10 | 39.4° | 4.45 | 152.4° | 4.99 |
| 12 | 38.9° | 4.65 | 157.6° | 5.69 |
| 14 | 38.7° | 4.73 | 169.1° | 6.29 |
| 16 | 38.7° | 4.76 | 177.2° | 6.79 |
| 20 | 39.1° | 4.75 | 178.6° | 7.52 |
| 24 | 40.6° | 4.62 | 178.1° | 8.23 |
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