FAINOMENO
GRE FORMULA 28 MODIFSail number GRE/GRE49062
GPH
694.7
OSN
676.5
LOA
8.29 m
Displacement
1780 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6179
Medium
0.8034
High
0.8936
Triple Offshore
Low
0.7834
Medium
0.9604
High
1.0548
Boat Specifications
Dimensions
- Length overall
- 8.29 m
- Beam
- 2.8 m
- Draft
- 1.65 m
- Displacement
- 1780 kg
- Crew weight
- 420 kg
- Wetted surface
- 13.77 m²
Sails
- Mainsail
- 24.07 m²
- Genoa
- 15.18 m²
- Spinnaker
- 38.88 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FORMULA 28 MODIF
- Builder
- HUNTER
- Designer
- JONES
- Year built
- 1984
- Stability index
- 101.7
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 | 5.1 | 5.29 | 5.39 | 5.29 | 5.23 | 5.05 | 4.53 | 3.82 |
| 8 | 5.73 | 5.86 | 5.94 | 5.97 | 5.98 | 5.86 | 5.48 | 4.84 |
| 10 | 6.01 | 6.12 | 6.23 | 6.31 | 6.38 | 6.29 | 6.03 | 5.61 |
| 12 | 6.13 | 6.27 | 6.43 | 6.51 | 6.72 | 6.65 | 6.39 | 6.09 |
| 14 | 6.2 | 6.35 | 6.58 | 6.72 | 7.05 | 7.03 | 6.74 | 6.43 |
| 16 | 6.24 | 6.41 | 6.68 | 6.93 | 7.37 | 7.47 | 7.16 | 6.76 |
| 20 | 6.28 | 6.47 | 6.82 | 7.25 | 7.84 | 8.41 | 8.44 | 7.65 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 40.8° | 3.43 | 145.7° | 3.31 |
| 8 | 38.7° | 4.05 | 151.4° | 4.19 |
| 10 | 36.4° | 4.38 | 157.4° | 4.93 |
| 12 | 36° | 4.49 | 171.8° | 5.55 |
| 14 | 35.8° | 4.55 | 179° | 6.02 |
| 16 | 35.8° | 4.58 | 179° | 6.35 |
| 20 | 36.6° | 4.57 | 178.4° | 7.02 |
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