GOOD LOOKIN'
USA J 105Sail number USA/USA123
GPH
616.2
OSN
596.4
LOA
10.57 m
Displacement
3893 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.661
Medium
0.8934
High
1.0126
Triple Offshore
Low
0.8496
Medium
1.1002
High
1.234
Boat Specifications
Dimensions
- Length overall
- 10.57 m
- Beam
- 3.35 m
- Draft
- 2 m
- Displacement
- 3893 kg
- Crew weight
- 476 kg
- Wetted surface
- 24.33 m²
Sails
- Mainsail
- 34.76 m²
- Genoa
- 25.58 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 86.62 m²
Design
- Type
- J 105
- Builder
- TILLOTSON-PEARSON
- Designer
- JOHNSTONE
- Year built
- 1991
- Stability index
- 113.5
Velocity Prediction
Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.26 | 5.54 | 5.72 | 5.73 | 5.78 | 5.62 | 5.05 | 4.27 |
| 8 | 6.26 | 6.5 | 6.66 | 6.8 | 6.92 | 6.79 | 6.28 | 5.43 |
| 10 | 6.86 | 7.04 | 7.17 | 7.33 | 7.53 | 7.45 | 7.12 | 6.4 |
| 12 | 7.14 | 7.32 | 7.51 | 7.6 | 8.01 | 8.01 | 7.68 | 7.07 |
| 14 | 7.28 | 7.49 | 7.77 | 7.87 | 8.42 | 8.53 | 8.24 | 7.49 |
| 16 | 7.37 | 7.59 | 7.97 | 8.18 | 8.72 | 9.06 | 8.84 | 7.89 |
| 20 | 7.45 | 7.72 | 8.18 | 8.64 | 9.3 | 10.01 | 10.42 | 8.75 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.3° | 3.45 | 143.4° | 3.7 |
| 8 | 40.8° | 4.24 | 147.3° | 4.7 |
| 10 | 39° | 4.8 | 148.7° | 5.54 |
| 12 | 37.6° | 5.1 | 150.1° | 6.12 |
| 14 | 37° | 5.23 | 149.3° | 6.49 |
| 16 | 36.6° | 5.31 | 173.9° | 6.95 |
| 20 | 37° | 5.36 | 174.8° | 7.77 |
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