Jolly Yacht
NOR First 31.7 HRSail number NOR/NOR9878
GPH
658
OSN
638.7
LOA
9.85 m
Displacement
3821 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6963
Medium
0.9465
High
1.0818
Triple Offshore
Low
0.8951
Medium
1.1592
High
1.2929
Boat Specifications
Dimensions
- Length overall
- 9.85 m
- Beam
- 3.22 m
- Draft
- 1.93 m
- Displacement
- 3821 kg
- Crew weight
- 586 kg
- Wetted surface
- 22.2 m²
Sails
- Mainsail
- 27.62 m²
- Genoa
- 32.6 m²
- Spinnaker
- 63.26 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- First 31.7 HR
- Builder
- Beneteau
- Designer
- Finot
- Year built
- 1998
Velocity Prediction
Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.05 | 5.31 | 5.51 | 5.45 | 5.24 | 5.08 | 4.6 | 3.9 |
| 8 | 6 | 6.24 | 6.41 | 6.38 | 6.35 | 6.19 | 5.66 | 4.94 |
| 10 | 6.56 | 6.73 | 6.85 | 6.87 | 6.94 | 6.85 | 6.51 | 5.84 |
| 12 | 6.79 | 6.95 | 7.11 | 7.16 | 7.33 | 7.24 | 6.98 | 6.57 |
| 14 | 6.87 | 7.05 | 7.31 | 7.43 | 7.72 | 7.65 | 7.35 | 6.99 |
| 16 | 6.91 | 7.1 | 7.44 | 7.69 | 8.06 | 8.1 | 7.76 | 7.33 |
| 20 | 6.9 | 7.12 | 7.53 | 8.05 | 8.45 | 8.92 | 8.73 | 8.13 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.2° | 3.34 | 146.3° | 3.38 |
| 8 | 40.8° | 4.02 | 150.5° | 4.28 |
| 10 | 40° | 4.55 | 152.3° | 5.07 |
| 12 | 38.6° | 4.81 | 158.2° | 5.78 |
| 14 | 38° | 4.9 | 180° | 6.4 |
| 16 | 37.8° | 4.94 | 180° | 6.87 |
| 20 | 38.3° | 4.91 | 180° | 7.55 |
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