JOY IV
NOR FIRST 31.7 LRSail number NOR/NOR10107
GPH
669.5
OSN
649.3
LOA
9.61 m
Displacement
3858 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6092
Medium
0.8237
High
0.9384
Triple Offshore
Low
0.7834
Medium
1.0128
High
1.1243
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
- 21.56 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 | 5.04 | 5.29 | 5.45 | 5.35 | 5.17 | 5 | 4.47 | 3.77 |
| 8 | 5.91 | 6.13 | 6.29 | 6.24 | 6.25 | 6.1 | 5.57 | 4.85 |
| 10 | 6.42 | 6.61 | 6.76 | 6.77 | 6.88 | 6.8 | 6.42 | 5.77 |
| 12 | 6.65 | 6.85 | 7.04 | 7.1 | 7.28 | 7.24 | 6.96 | 6.5 |
| 14 | 6.74 | 6.95 | 7.22 | 7.35 | 7.61 | 7.61 | 7.37 | 6.98 |
| 16 | 6.8 | 7.01 | 7.33 | 7.56 | 7.87 | 7.97 | 7.77 | 7.36 |
| 20 | 6.82 | 7.05 | 7.44 | 7.84 | 8.19 | 8.58 | 8.61 | 8.14 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.33 | 145.7° | 3.26 |
| 8 | 40.6° | 4.02 | 149.8° | 4.2 |
| 10 | 39.4° | 4.45 | 152.9° | 5.01 |
| 12 | 38.8° | 4.64 | 158.2° | 5.72 |
| 14 | 38.8° | 4.72 | 170° | 6.32 |
| 16 | 38.8° | 4.76 | 177.2° | 6.82 |
| 20 | 39.4° | 4.74 | 179° | 7.55 |
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