Arethusa
NED J-109Sail number NED/NED7800
GPH
617.2
OSN
599.1
LOA
10.757 m
Displacement
5208 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6631
Medium
0.892
High
1.0106
Triple Offshore
Low
0.8532
Medium
1.0963
High
1.2185
Boat Specifications
Dimensions
- Length overall
- 10.757 m
- Beam
- 3.52 m
- Draft
- 2.14 m
- Displacement
- 5208 kg
- Crew weight
- 641 kg
- Wetted surface
- 26.4 m²
Sails
- Mainsail
- 37.76 m²
- Genoa
- 31 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 107.12 m²
Design
- Type
- J-109
- Builder
- J-Boats France
- Designer
- Johnstone
- Year built
- 2001
- Stability index
- 117.2
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.2 | 5.5 | 5.73 | 5.78 | 5.87 | 5.72 | 5.18 | 4.42 |
| 8 | 6.19 | 6.48 | 6.69 | 6.87 | 6.99 | 6.88 | 6.4 | 5.54 |
| 10 | 6.84 | 7.03 | 7.17 | 7.34 | 7.51 | 7.45 | 7.18 | 6.51 |
| 12 | 7.14 | 7.3 | 7.45 | 7.53 | 7.91 | 7.9 | 7.63 | 7.13 |
| 14 | 7.26 | 7.45 | 7.68 | 7.76 | 8.22 | 8.38 | 8.1 | 7.46 |
| 16 | 7.32 | 7.52 | 7.86 | 8.05 | 8.46 | 8.81 | 8.61 | 7.76 |
| 20 | 7.4 | 7.59 | 8.02 | 8.49 | 8.9 | 9.4 | 9.83 | 8.47 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.9° | 3.4 | 144.8° | 3.83 |
| 8 | 41.2° | 4.13 | 147.8° | 4.8 |
| 10 | 40.5° | 4.72 | 148.8° | 5.64 |
| 12 | 38.7° | 5.07 | 150.5° | 6.17 |
| 14 | 37.8° | 5.2 | 152.9° | 6.48 |
| 16 | 37.6° | 5.27 | 174.5° | 6.99 |
| 20 | 37° | 5.39 | 176.6° | 7.68 |
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