Arethusa
NED J-109Sail number NED/NED7800
GPH
617
OSN
600.1
LOA
10.757 m
Displacement
5209 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6642
Medium
0.8901
High
1.0093
Triple Offshore
Low
0.856
Medium
1.0954
High
1.2155
Boat Specifications
Dimensions
- Length overall
- 10.757 m
- Beam
- 3.52 m
- Draft
- 2.14 m
- Displacement
- 5209 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
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.25 | 5.55 | 5.8 | 5.81 | 5.9 | 5.75 | 5.18 | 4.4 |
| 8 | 6.22 | 6.51 | 6.73 | 6.89 | 7 | 6.88 | 6.38 | 5.5 |
| 10 | 6.86 | 7.04 | 7.19 | 7.35 | 7.51 | 7.44 | 7.15 | 6.46 |
| 12 | 7.14 | 7.31 | 7.47 | 7.53 | 7.9 | 7.88 | 7.59 | 7.08 |
| 14 | 7.26 | 7.45 | 7.69 | 7.78 | 8.22 | 8.35 | 8.04 | 7.42 |
| 16 | 7.31 | 7.52 | 7.86 | 8.06 | 8.46 | 8.78 | 8.53 | 7.71 |
| 20 | 7.39 | 7.58 | 8.02 | 8.49 | 8.89 | 9.37 | 9.68 | 8.5 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.8° | 3.44 | 144.5° | 3.81 |
| 8 | 40.9° | 4.16 | 148° | 4.76 |
| 10 | 40.1° | 4.73 | 148.8° | 5.59 |
| 12 | 38.6° | 5.07 | 150.5° | 6.13 |
| 14 | 37.9° | 5.19 | 174° | 6.47 |
| 16 | 37.9° | 5.25 | 177° | 7.02 |
| 20 | 37.5° | 5.36 | 178° | 7.71 |
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