Jam Session
NED J-109Sail number NED/GBR6909R
GPH
617.4
OSN
598.2
LOA
10.757 m
Displacement
5110 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6649
Medium
0.8934
High
1.0118
Triple Offshore
Low
0.8524
Medium
1.0964
High
1.2182
Boat Specifications
Dimensions
- Length overall
- 10.757 m
- Beam
- 3.52 m
- Draft
- 2.14 m
- Displacement
- 5110 kg
- Crew weight
- 623 kg
- Wetted surface
- 26.27 m²
Sails
- Mainsail
- 37.31 m²
- Genoa
- 29.86 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 96.47 m²
Design
- Type
- J-109
- Builder
- J Boats
- Designer
- Johnstone
- Year built
- 2001
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.27 | 5.54 | 5.71 | 5.73 | 5.8 | 5.64 | 5.1 | 4.33 |
| 8 | 6.25 | 6.49 | 6.64 | 6.79 | 6.91 | 6.78 | 6.29 | 5.47 |
| 10 | 6.85 | 7.02 | 7.15 | 7.31 | 7.48 | 7.42 | 7.1 | 6.42 |
| 12 | 7.15 | 7.31 | 7.46 | 7.56 | 7.88 | 7.87 | 7.59 | 7.04 |
| 14 | 7.3 | 7.48 | 7.69 | 7.76 | 8.22 | 8.29 | 8.05 | 7.42 |
| 16 | 7.37 | 7.57 | 7.86 | 8.01 | 8.46 | 8.7 | 8.5 | 7.74 |
| 20 | 7.46 | 7.68 | 8.05 | 8.4 | 8.88 | 9.43 | 9.62 | 8.39 |
| 24 | 7.47 | 7.7 | 8.16 | 8.65 | 9.28 | 10.09 | 11.77 | 9.88 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.47 | 143.9° | 3.75 |
| 8 | 41° | 4.23 | 147.7° | 4.74 |
| 10 | 39.2° | 4.79 | 149° | 5.56 |
| 12 | 37.7° | 5.11 | 149.8° | 6.1 |
| 14 | 37.3° | 5.25 | 150.9° | 6.43 |
| 16 | 37.1° | 5.33 | 173.8° | 6.94 |
| 20 | 37.2° | 5.39 | 176.3° | 7.67 |
| 24 | 38° | 5.35 | 138.6° | 8.56 |
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