VELOCITY
USA Mach 40.3Sail number USA/USA145
GPH
509.8
OSN
494.5
LOA
12.21 m
Displacement
4636 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.759
Medium
1.047
High
1.2649
Triple Offshore
Low
0.9922
Medium
1.3338
High
1.6105
Boat Specifications
Dimensions
- Length overall
- 12.21 m
- Beam
- 4.5 m
- Draft
- 3 m
- Displacement
- 4636 kg
- Crew weight
- 375 kg
- Wetted surface
- 38.06 m²
Sails
- Mainsail
- 64.67 m²
- Genoa
- 50.43 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 194.7 m²
Design
- Type
- Mach 40.3
- Builder
- JPS
- Designer
- Manuard
- Year built
- 2015
- Stability index
- 118.6
Velocity Prediction
Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 6.33 | 6.76 | 7.14 | 7.12 | 6.7 | 6.38 | 5.64 | 4.75 |
| 8 | 7.51 | 7.91 | 8.24 | 8.25 | 8.03 | 7.87 | 7.27 | 6.07 |
| 10 | 8.13 | 8.51 | 9.16 | 9.29 | 9.11 | 9 | 8.39 | 7.34 |
| 12 | 8.61 | 9.06 | 9.78 | 10.32 | 10.35 | 10.22 | 9.48 | 8.35 |
| 14 | 9.02 | 9.54 | 10.3 | 11 | 11.45 | 11.25 | 10.75 | 9.28 |
| 16 | 9.31 | 9.86 | 10.71 | 11.61 | 12.34 | 12.46 | 12.07 | 10.38 |
| 20 | 9.71 | 10.36 | 11.49 | 12.64 | 14.22 | 14.81 | 14.99 | 12.91 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.2° | 4.09 | 143° | 4.12 |
| 8 | 41.1° | 4.98 | 145.1° | 5.26 |
| 10 | 40.6° | 5.56 | 145.6° | 6.36 |
| 12 | 38.8° | 5.98 | 149.6° | 7.23 |
| 14 | 37.8° | 6.19 | 147.6° | 8.04 |
| 16 | 37.5° | 6.32 | 146.4° | 8.99 |
| 20 | 39.3° | 6.54 | 138.9° | 11.18 |
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