Jam Session
NED J-109Sail number NED/GBR6909R
GPH
617.7
OSN
598.6
LOA
10.75 m
Displacement
5109 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6657
Medium
0.8925
High
1.0075
Triple Offshore
Low
0.8532
Medium
1.0957
High
1.2152
Boat Specifications
Dimensions
- Length overall
- 10.75 m
- Beam
- 3.52 m
- Draft
- 2.14 m
- Displacement
- 5109 kg
- Crew weight
- 623 kg
- Wetted surface
- 26.17 m²
Sails
- Mainsail
- 37.55 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
- Stability index
- 120.2
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.28 | 5.55 | 5.72 | 5.73 | 5.8 | 5.64 | 5.1 | 4.33 |
| 8 | 6.26 | 6.49 | 6.64 | 6.79 | 6.91 | 6.78 | 6.3 | 5.48 |
| 10 | 6.85 | 7.02 | 7.15 | 7.31 | 7.48 | 7.41 | 7.1 | 6.43 |
| 12 | 7.14 | 7.31 | 7.46 | 7.56 | 7.88 | 7.87 | 7.59 | 7.05 |
| 14 | 7.28 | 7.47 | 7.69 | 7.76 | 8.22 | 8.29 | 8.05 | 7.43 |
| 16 | 7.35 | 7.56 | 7.86 | 8.01 | 8.47 | 8.71 | 8.51 | 7.74 |
| 20 | 7.42 | 7.65 | 8.04 | 8.4 | 8.9 | 9.45 | 9.65 | 8.41 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.47 | 144.2° | 3.75 |
| 8 | 40.8° | 4.24 | 147.8° | 4.75 |
| 10 | 39.4° | 4.79 | 149.2° | 5.57 |
| 12 | 37.8° | 5.1 | 149.8° | 6.1 |
| 14 | 37.2° | 5.22 | 151.1° | 6.44 |
| 16 | 37.5° | 5.29 | 173.6° | 6.95 |
| 20 | 37.6° | 5.33 | 176.3° | 7.68 |
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