CARDIAC BLUES
FRA HALF TON Proto 2GSail number FRA/FRA7578
GPH
670.6
OSN
651.9
LOA
9.7 m
Displacement
2490 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6289
Medium
0.8296
High
0.9312
Triple Offshore
Low
0.802
Medium
1.0012
High
1.1002
Boat Specifications
Dimensions
- Length overall
- 9.7 m
- Beam
- 3.18 m
- Draft
- 1.76 m
- Displacement
- 2490 kg
- Crew weight
- 409 kg
- Wetted surface
- 16.53 m²
Sails
- Mainsail
- 26.44 m²
- Genoa
- 21.85 m²
- Spinnaker
- 57.07 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- HALF TON Proto 2G
- Builder
- Artecna
- Designer
- BERRET Jean
- Year built
- 1978
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 | 5.15 | 5.37 | 5.48 | 5.36 | 5.37 | 5.21 | 4.69 | 3.93 |
| 8 | 5.92 | 6.08 | 6.18 | 6.19 | 6.28 | 6.16 | 5.73 | 5 |
| 10 | 6.28 | 6.41 | 6.52 | 6.57 | 6.73 | 6.67 | 6.38 | 5.86 |
| 12 | 6.44 | 6.58 | 6.74 | 6.8 | 7.05 | 7.04 | 6.8 | 6.43 |
| 14 | 6.51 | 6.67 | 6.9 | 7.02 | 7.33 | 7.39 | 7.19 | 6.82 |
| 16 | 6.56 | 6.73 | 7 | 7.22 | 7.55 | 7.75 | 7.59 | 7.18 |
| 20 | 6.61 | 6.81 | 7.14 | 7.49 | 7.93 | 8.45 | 8.72 | 8 |
| 24 | 6.59 | 6.82 | 7.22 | 7.69 | 8.29 | 9.1 | 11.01 | 9.77 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42° | 3.43 | 144.4° | 3.4 |
| 8 | 39.7° | 4.11 | 149.6° | 4.33 |
| 10 | 37.8° | 4.49 | 153.9° | 5.1 |
| 12 | 37.5° | 4.64 | 162.6° | 5.75 |
| 14 | 37.2° | 4.71 | 176.3° | 6.29 |
| 16 | 37.2° | 4.74 | 178.8° | 6.68 |
| 20 | 37.8° | 4.75 | 178.6° | 7.37 |
| 24 | 39.6° | 4.63 | 143.1° | 8.46 |
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