Jam Session
NED J-105Sail number NED/NED6630
GPH
628.2
OSN
607.6
LOA
10.57 m
Displacement
4508 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.643
Medium
0.8759
High
1.0039
Triple Offshore
Low
0.8286
Medium
1.0811
High
1.2178
Boat Specifications
Dimensions
- Length overall
- 10.57 m
- Beam
- 3.34 m
- Draft
- 1.75 m
- Displacement
- 4508 kg
- Crew weight
- 450 kg
- Wetted surface
- 25.45 m²
Sails
- Mainsail
- 34.19 m²
- Genoa
- 24.35 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 88.37 m²
Design
- Type
- J-105
- Builder
- J Boats inc.
- Designer
- R. Johnstone
- Year built
- 1992
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.05 | 5.34 | 5.53 | 5.63 | 5.72 | 5.57 | 5.03 | 4.26 |
| 8 | 6.04 | 6.3 | 6.48 | 6.71 | 6.84 | 6.72 | 6.22 | 5.4 |
| 10 | 6.69 | 6.89 | 7.03 | 7.27 | 7.44 | 7.37 | 7.05 | 6.35 |
| 12 | 7.05 | 7.22 | 7.37 | 7.57 | 7.89 | 7.86 | 7.57 | 7 |
| 14 | 7.24 | 7.43 | 7.64 | 7.76 | 8.28 | 8.34 | 8.06 | 7.4 |
| 16 | 7.35 | 7.56 | 7.86 | 7.98 | 8.61 | 8.81 | 8.57 | 7.74 |
| 20 | 7.46 | 7.71 | 8.14 | 8.46 | 9.11 | 9.75 | 9.84 | 8.47 |
| 24 | 7.49 | 7.76 | 8.28 | 8.8 | 9.61 | 10.64 | 12.49 | 10.51 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.1° | 3.28 | 143.7° | 3.69 |
| 8 | 41.9° | 4.04 | 147.6° | 4.68 |
| 10 | 40.1° | 4.61 | 148.8° | 5.5 |
| 12 | 38.6° | 4.99 | 149.7° | 6.06 |
| 14 | 37.8° | 5.17 | 150.2° | 6.41 |
| 16 | 37.3° | 5.27 | 173.6° | 6.88 |
| 20 | 37.6° | 5.36 | 175.9° | 7.65 |
| 24 | 38.4° | 5.34 | 138.9° | 9.11 |
Loading polar chart…