Waterborne Again
AUS J-24Sail number AUS/AUS4764
GPH
727.9
OSN
705.2
LOA
7.318 m
Displacement
1269 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5673
Medium
0.7649
High
0.8632
Triple Offshore
Low
0.7263
Medium
0.9271
High
1.0343
Boat Specifications
Dimensions
- Length overall
- 7.318 m
- Beam
- 2.69 m
- Draft
- 1.23 m
- Displacement
- 1269 kg
- Crew weight
- 400 kg
- Wetted surface
- 12.05 m²
Sails
- Mainsail
- 16.03 m²
- Genoa
- 18.78 m²
- Spinnaker
- 35.34 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- J-24
- Designer
- JOHNSTONE
- Year built
- 1977
- Stability index
- -1
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 4 | 3.51 | 3.74 | 3.89 | 3.8 | 3.61 | 3.44 | 3.04 | 2.46 |
| 6 | 4.67 | 4.91 | 5.05 | 4.96 | 4.85 | 4.69 | 4.2 | 3.57 |
| 8 | 5.43 | 5.61 | 5.7 | 5.68 | 5.71 | 5.58 | 5.13 | 4.55 |
| 10 | 5.82 | 5.96 | 6.06 | 6.13 | 6.19 | 6.09 | 5.83 | 5.36 |
| 12 | 6.04 | 6.17 | 6.32 | 6.44 | 6.58 | 6.49 | 6.25 | 5.93 |
| 14 | 6.14 | 6.31 | 6.54 | 6.63 | 6.94 | 6.89 | 6.63 | 6.3 |
| 16 | 6.18 | 6.37 | 6.69 | 6.87 | 7.3 | 7.31 | 7.03 | 6.66 |
| 20 | 6.21 | 6.45 | 6.86 | 7.24 | 7.91 | 8.58 | 8.18 | 7.47 |
| 24 | 6.14 | 6.43 | 6.94 | 7.49 | 8.53 | 10.03 | 11.16 | 9.34 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 4 | 43.4° | 2.26 | 148° | 2.13 |
| 6 | 43.4° | 3.07 | 148° | 3.09 |
| 8 | 41.5° | 3.67 | 152.3° | 3.95 |
| 10 | 39.7° | 4.08 | 157.7° | 4.68 |
| 12 | 38.4° | 4.33 | 164.6° | 5.34 |
| 14 | 38.2° | 4.4 | 174.5° | 5.81 |
| 16 | 38.2° | 4.42 | 177.2° | 6.17 |
| 20 | 39.5° | 4.37 | 177.2° | 6.83 |
| 24 | 42.6° | 4.16 | 139.7° | 8.09 |
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