SHEARWATER
USA MASON 43Sail number USA/USA51428
GPH
661.9
OSN
643.4
LOA
13.259 m
Displacement
12739 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6083
Medium
0.8197
High
0.9565
Triple Offshore
Low
0.7839
Medium
1.0262
High
1.1537
Boat Specifications
Dimensions
- Length overall
- 13.259 m
- Beam
- 3.74 m
- Draft
- 1.99 m
- Displacement
- 12739 kg
- Crew weight
- 750 kg
- Wetted surface
- 39.42 m²
Sails
- Mainsail
- 46.79 m²
- Genoa
- 62.21 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 131.34 m²
Design
- Type
- MASON 43
- Builder
- PAC. ASIA ENTRP
- Designer
- MASON
- Year built
- 1984
- Stability index
- 132.7
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.84 | 5.14 | 5.37 | 5.31 | 5.33 | 5.19 | 4.73 | 4.04 |
| 8 | 5.69 | 6 | 6.27 | 6.27 | 6.45 | 6.29 | 5.79 | 5.06 |
| 10 | 6.42 | 6.74 | 6.97 | 7.05 | 7.21 | 7.13 | 6.75 | 5.95 |
| 12 | 6.84 | 7.12 | 7.32 | 7.36 | 7.59 | 7.55 | 7.32 | 6.78 |
| 14 | 7.03 | 7.3 | 7.53 | 7.59 | 7.86 | 7.87 | 7.66 | 7.3 |
| 16 | 7.14 | 7.4 | 7.68 | 7.78 | 8.04 | 8.17 | 7.97 | 7.63 |
| 20 | 7.23 | 7.48 | 7.82 | 8.08 | 8.31 | 8.59 | 8.59 | 8.2 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.4° | 3.15 | 145.1° | 3.5 |
| 8 | 42.4° | 3.78 | 150.2° | 4.38 |
| 10 | 42.4° | 4.22 | 150.2° | 5.15 |
| 12 | 43.2° | 4.51 | 154.1° | 5.91 |
| 14 | 43° | 4.69 | 162.8° | 6.54 |
| 16 | 42.6° | 4.79 | 175.4° | 7.08 |
| 20 | 42.8° | 4.86 | 179° | 7.73 |
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