SPORT BILLY
GRE FIRST 22Sail number GRE/GRE1980
GPH
802.1
OSN
774.4
LOA
6.71 m
Displacement
1100 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.4916
Medium
0.6827
High
0.8125
Triple Offshore
Low
0.6372
Medium
0.8489
High
0.9886
Boat Specifications
Dimensions
- Length overall
- 6.71 m
- Beam
- 2.43 m
- Draft
- 1.09 m
- Displacement
- 1100 kg
- Crew weight
- 350 kg
- Wetted surface
- 10.98 m²
Sails
- Mainsail
- 9.97 m²
- Genoa
- 11.48 m²
- Spinnaker
- 32.62 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 22
- Builder
- BENETEAU
- Designer
- FINOT
- Year built
- 1979
- Stability index
- 102.3
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 | 3.74 | 4.02 | 4.22 | 4.41 | 4.54 | 4.39 | 3.96 | 3.41 |
| 8 | 4.52 | 4.81 | 5.03 | 5.37 | 5.48 | 5.37 | 4.9 | 4.34 |
| 10 | 5.09 | 5.38 | 5.56 | 5.89 | 5.97 | 5.9 | 5.68 | 5.16 |
| 12 | 5.48 | 5.7 | 5.85 | 6.23 | 6.37 | 6.29 | 6.06 | 5.75 |
| 14 | 5.74 | 5.91 | 6.09 | 6.52 | 6.81 | 6.72 | 6.45 | 6.09 |
| 16 | 5.9 | 6.09 | 6.33 | 6.68 | 7.3 | 7.21 | 6.88 | 6.46 |
| 20 | 6.02 | 6.34 | 6.81 | 6.97 | 8.04 | 8.6 | 7.99 | 7.3 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.7° | 2.42 | 148.4° | 2.96 |
| 8 | 43.2° | 2.96 | 152° | 3.76 |
| 10 | 42.7° | 3.35 | 152° | 4.47 |
| 12 | 42.6° | 3.67 | 161.7° | 5.15 |
| 14 | 42.1° | 3.91 | 176.6° | 5.64 |
| 16 | 41.2° | 4.09 | 178.1° | 5.97 |
| 20 | 41.8° | 4.12 | 177.2° | 6.64 |
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