ATURA
RSA J-105Sail number RSA/RSA3786
GPH
621.5
OSN
600.8
LOA
10.57 m
Displacement
4168 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6547
Medium
0.8892
High
1.0128
Triple Offshore
Low
0.8411
Medium
1.0919
High
1.2227
Boat Specifications
Dimensions
- Length overall
- 10.57 m
- Beam
- 3.34 m
- Draft
- 2.02 m
- Displacement
- 4168 kg
- Crew weight
- 580 kg
- Wetted surface
- 24.93 m²
Sails
- Mainsail
- 34.34 m²
- Genoa
- 24.03 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 96.91 m²
Design
- Type
- J-105
- Builder
- J Boats
- Designer
- Johnstone
- Year built
- 1991
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.1 | 5.37 | 5.53 | 5.72 | 5.8 | 5.65 | 5.1 | 4.32 |
| 8 | 6.12 | 6.36 | 6.51 | 6.78 | 6.93 | 6.81 | 6.32 | 5.48 |
| 10 | 6.76 | 6.94 | 7.07 | 7.25 | 7.5 | 7.45 | 7.13 | 6.44 |
| 12 | 7.09 | 7.26 | 7.41 | 7.47 | 7.9 | 7.94 | 7.66 | 7.08 |
| 14 | 7.25 | 7.44 | 7.66 | 7.73 | 8.2 | 8.39 | 8.18 | 7.47 |
| 16 | 7.34 | 7.54 | 7.85 | 8.01 | 8.45 | 8.8 | 8.71 | 7.82 |
| 20 | 7.45 | 7.67 | 8.07 | 8.44 | 8.9 | 9.49 | 10.13 | 8.59 |
| 24 | 7.49 | 7.73 | 8.19 | 8.7 | 9.32 | 10.24 | 12.51 | 11.18 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.3° | 3.35 | 143.7° | 3.74 |
| 8 | 41.1° | 4.13 | 147.5° | 4.75 |
| 10 | 39.2° | 4.71 | 148.9° | 5.58 |
| 12 | 37.6° | 5.06 | 149.8° | 6.13 |
| 14 | 36.9° | 5.22 | 149.8° | 6.47 |
| 16 | 36.5° | 5.32 | 173.9° | 6.92 |
| 20 | 36.5° | 5.42 | 175.7° | 7.7 |
| 24 | 37° | 5.42 | 140.9° | 9.68 |
Loading polar chart…