WEATHERLY
USA 12 METERSail number USA/US17
GPH
526.7
OSN
515.1
LOA
20.38 m
Displacement
26281 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7575
Medium
1.0253
High
1.2124
Triple Offshore
Low
0.9903
Medium
1.2858
High
1.4535
Boat Specifications
Dimensions
- Length overall
- 20.38 m
- Beam
- 3.67 m
- Draft
- 2.71 m
- Displacement
- 26281 kg
- Crew weight
- 1073 kg
- Wetted surface
- 65.21 m²
Sails
- Mainsail
- 139.66 m²
- Genoa
- 104.56 m²
- Spinnaker
- 229.88 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- 12 METER
- Builder
- LUDERS
- Designer
- RHODES
- Year built
- 1958
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 6.36 | 6.74 | 7.09 | 7.07 | 6.57 | 6.38 | 5.72 | 4.79 |
| 8 | 7.54 | 7.99 | 8.29 | 8.3 | 8.01 | 7.81 | 7.07 | 5.91 |
| 10 | 8.3 | 8.64 | 8.86 | 8.9 | 8.87 | 8.75 | 8.23 | 7.11 |
| 12 | 8.66 | 8.96 | 9.18 | 9.25 | 9.33 | 9.24 | 8.9 | 8.14 |
| 14 | 8.87 | 9.14 | 9.42 | 9.53 | 9.61 | 9.63 | 9.31 | 8.81 |
| 16 | 8.99 | 9.26 | 9.59 | 9.79 | 9.8 | 10.01 | 9.68 | 9.23 |
| 20 | 9.14 | 9.4 | 9.8 | 10.21 | 10.19 | 10.48 | 10.5 | 9.95 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.5° | 4.14 | 140.4° | 4.15 |
| 8 | 42.4° | 4.94 | 147° | 5.12 |
| 10 | 42.8° | 5.48 | 144.2° | 6.15 |
| 12 | 41.8° | 5.86 | 152° | 7.07 |
| 14 | 40.5° | 6.11 | 158.5° | 7.79 |
| 16 | 39.8° | 6.28 | 180° | 8.44 |
| 20 | 38.5° | 6.5 | 180° | 9.34 |
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