SWISS CHEESE
USA J-24Sail number USA/USA2925
GPH
726.4
OSN
705.7
LOA
7.318 m
Displacement
1270 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5647
Medium
0.7593
High
0.853
Triple Offshore
Low
0.7276
Medium
0.9289
High
1.0376
Boat Specifications
Dimensions
- Length overall
- 7.318 m
- Beam
- 2.69 m
- Draft
- 1.23 m
- Displacement
- 1270 kg
- Crew weight
- 300 kg
- Wetted surface
- 11.37 m²
Sails
- Mainsail
- 16.03 m²
- Genoa
- 18.78 m²
- Spinnaker
- 35.34 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- J-24
- Builder
- J-BOATS
- Designer
- JOHNSTONE
- Year built
- 1977
- Stability index
- 96.5
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.58 | 4.87 | 5.09 | 5.04 | 4.92 | 4.77 | 4.29 | 3.63 |
| 8 | 5.4 | 5.62 | 5.77 | 5.77 | 5.81 | 5.7 | 5.22 | 4.59 |
| 10 | 5.82 | 5.97 | 6.1 | 6.19 | 6.28 | 6.19 | 5.92 | 5.43 |
| 12 | 6.01 | 6.18 | 6.39 | 6.53 | 6.75 | 6.65 | 6.33 | 5.98 |
| 14 | 6.08 | 6.29 | 6.65 | 6.81 | 7.21 | 7.14 | 6.79 | 6.37 |
| 16 | 6.11 | 6.35 | 6.78 | 7.12 | 7.61 | 7.69 | 7.27 | 6.8 |
| 20 | 6.09 | 6.35 | 6.88 | 7.45 | 8.16 | 8.94 | 8.63 | 7.78 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.6° | 3 | 147.8° | 3.14 |
| 8 | 42.3° | 3.6 | 151.6° | 3.98 |
| 10 | 40.9° | 4.03 | 153.8° | 4.72 |
| 12 | 39.9° | 4.23 | 164.6° | 5.39 |
| 14 | 39.6° | 4.28 | 177.5° | 5.89 |
| 16 | 39.6° | 4.29 | 178.1° | 6.25 |
| 20 | 41.4° | 4.2 | 177.2° | 7.04 |
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