JEMINI
FRA J-97 AluSail number FRA/FRA37197
GPH
648.6
OSN
630.4
LOA
9.598 m
Displacement
3850 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7091
Medium
0.9521
High
1.0772
Triple Offshore
Low
0.9138
Medium
1.1738
High
1.3012
Boat Specifications
Dimensions
- Length overall
- 9.598 m
- Beam
- 3.35 m
- Draft
- 1.92 m
- Displacement
- 3850 kg
- Crew weight
- 539 kg
- Wetted surface
- 21.29 m²
Sails
- Mainsail
- 29.12 m²
- Genoa
- 24.29 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 90.42 m²
Design
- Type
- J-97 Alu
- Builder
- J-EUROPE
- Designer
- JOHNSTONE Alan
- Year built
- 2009
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 | 4.87 | 5.13 | 5.33 | 5.6 | 5.68 | 5.52 | 4.98 | 4.24 |
| 8 | 5.82 | 6.1 | 6.31 | 6.63 | 6.73 | 6.61 | 6.14 | 5.3 |
| 10 | 6.48 | 6.67 | 6.8 | 7.06 | 7.21 | 7.14 | 6.86 | 6.22 |
| 12 | 6.79 | 6.95 | 7.1 | 7.23 | 7.61 | 7.58 | 7.28 | 6.78 |
| 14 | 6.92 | 7.11 | 7.33 | 7.39 | 7.92 | 8.03 | 7.72 | 7.1 |
| 16 | 6.98 | 7.19 | 7.51 | 7.66 | 8.14 | 8.45 | 8.19 | 7.39 |
| 20 | 7 | 7.22 | 7.69 | 8.11 | 8.53 | 9 | 9.27 | 8.15 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.3° | 3.22 | 145.4° | 3.67 |
| 8 | 41° | 3.89 | 147.9° | 4.59 |
| 10 | 40.8° | 4.44 | 148.5° | 5.39 |
| 12 | 39.1° | 4.78 | 150.4° | 5.88 |
| 14 | 38.9° | 4.9 | 174.4° | 6.26 |
| 16 | 38.9° | 4.94 | 177° | 6.77 |
| 20 | 39.1° | 4.97 | 177.5° | 7.42 |
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