TOWHEE
USA CAL 40Sail number USA/USA1781
GPH
654.4
OSN
633.8
LOA
11.912 m
Displacement
6962 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6156
Medium
0.8427
High
0.9786
Triple Offshore
Low
0.7936
Medium
1.0387
High
1.167
Boat Specifications
Dimensions
- Length overall
- 11.912 m
- Beam
- 3.32 m
- Draft
- 1.76 m
- Displacement
- 6962 kg
- Crew weight
- 647 kg
- Wetted surface
- 31.12 m²
Sails
- Mainsail
- 39.32 m²
- Genoa
- 48.99 m²
- Spinnaker
- 96.56 m²
- Asymmetric spinnaker
- 82.36 m²
Design
- Type
- CAL 40
- Builder
- CAL
- Designer
- LAPWORTH
- Year built
- 1963
- Stability index
- 124.5
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.05 | 5.35 | 5.54 | 5.43 | 5.25 | 5.1 | 4.61 | 3.91 |
| 8 | 5.98 | 6.24 | 6.4 | 6.36 | 6.36 | 6.23 | 5.74 | 5 |
| 10 | 6.58 | 6.78 | 6.93 | 6.94 | 7.06 | 6.98 | 6.61 | 5.94 |
| 12 | 6.91 | 7.09 | 7.25 | 7.31 | 7.47 | 7.43 | 7.17 | 6.69 |
| 14 | 7.05 | 7.25 | 7.46 | 7.55 | 7.79 | 7.79 | 7.57 | 7.19 |
| 16 | 7.14 | 7.33 | 7.6 | 7.76 | 8.06 | 8.11 | 7.93 | 7.56 |
| 20 | 7.22 | 7.42 | 7.77 | 8.07 | 8.47 | 8.69 | 8.62 | 8.23 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.4° | 3.28 | 146° | 3.38 |
| 8 | 42.6° | 3.97 | 149.8° | 4.33 |
| 10 | 41.4° | 4.47 | 152.3° | 5.15 |
| 12 | 40.6° | 4.77 | 157.4° | 5.87 |
| 14 | 39.9° | 4.92 | 166.4° | 6.47 |
| 16 | 39.4° | 5 | 176.3° | 6.99 |
| 20 | 39.4° | 5.08 | 179° | 7.7 |
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