COMFORTABLY NUMB
USA FIRST 42 SD TMSail number USA/USA25434
GPH
623.7
OSN
608.5
LOA
12.759 m
Displacement
8884 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6514
Medium
0.8696
High
0.9857
Triple Offshore
Low
0.8442
Medium
1.0851
High
1.2005
Boat Specifications
Dimensions
- Length overall
- 12.759 m
- Beam
- 4.02 m
- Draft
- 1.81 m
- Displacement
- 8884 kg
- Crew weight
- 900 kg
- Wetted surface
- 34.45 m²
Sails
- Mainsail
- 41.11 m²
- Genoa
- 64 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 126.94 m²
Design
- Type
- FIRST 42 SD TM
- Builder
- BENETEAU
- Designer
- FRERS
- Year built
- 1981
- 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 | 5.28 | 5.62 | 5.92 | 5.86 | 5.67 | 5.52 | 5.01 | 4.27 |
| 8 | 6.25 | 6.63 | 6.88 | 6.88 | 6.89 | 6.73 | 6.16 | 5.35 |
| 10 | 6.94 | 7.18 | 7.34 | 7.39 | 7.51 | 7.43 | 7.11 | 6.3 |
| 12 | 7.22 | 7.43 | 7.61 | 7.68 | 7.88 | 7.83 | 7.59 | 7.02 |
| 14 | 7.34 | 7.55 | 7.8 | 7.92 | 8.21 | 8.2 | 7.96 | 7.41 |
| 16 | 7.4 | 7.62 | 7.93 | 8.13 | 8.5 | 8.58 | 8.34 | 7.69 |
| 20 | 7.44 | 7.68 | 8.08 | 8.49 | 8.85 | 9.22 | 9.13 | 8.21 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.8° | 3.42 | 144.8° | 3.69 |
| 8 | 43.6° | 4.09 | 147.9° | 4.64 |
| 10 | 43.6° | 4.6 | 147.1° | 5.46 |
| 12 | 42.6° | 4.89 | 148.8° | 6.08 |
| 14 | 41.4° | 5.04 | 151.1° | 6.42 |
| 16 | 40.8° | 5.12 | 171.8° | 6.9 |
| 20 | 40.8° | 5.13 | 177.2° | 7.64 |
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