JAFFA
FRA J 99Sail number FRA/FRA53145
GPH
619.2
OSN
599
LOA
9.95 m
Displacement
3984 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6641
Medium
0.9002
High
1.0296
Triple Offshore
Low
0.8506
Medium
1.0921
High
1.2205
Boat Specifications
Dimensions
- Length overall
- 9.95 m
- Beam
- 3.41 m
- Draft
- 2.11 m
- Displacement
- 3984 kg
- Crew weight
- 566 kg
- Wetted surface
- 23.04 m²
Sails
- Mainsail
- 33.41 m²
- Genoa
- 25.58 m²
- Spinnaker
- 93.94 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- J 99
- Builder
- J COMPOSITES
- Designer
- JOHNSTONE
- Year built
- 2019
- Stability index
- 114.3
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.26 | 5.53 | 5.69 | 5.71 | 5.8 | 5.66 | 5.11 | 4.32 |
| 8 | 6.22 | 6.44 | 6.58 | 6.71 | 6.86 | 6.75 | 6.29 | 5.46 |
| 10 | 6.77 | 6.93 | 7.06 | 7.18 | 7.39 | 7.34 | 7.04 | 6.42 |
| 12 | 7.07 | 7.22 | 7.36 | 7.39 | 7.77 | 7.79 | 7.53 | 7.07 |
| 14 | 7.22 | 7.4 | 7.61 | 7.67 | 8.08 | 8.2 | 7.99 | 7.52 |
| 16 | 7.29 | 7.5 | 7.8 | 7.93 | 8.31 | 8.6 | 8.46 | 7.96 |
| 20 | 7.36 | 7.6 | 8.01 | 8.37 | 8.73 | 9.28 | 9.76 | 8.93 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.9° | 3.47 | 141.5° | 3.74 |
| 8 | 40.6° | 4.23 | 148.2° | 4.73 |
| 10 | 38.8° | 4.78 | 152.3° | 5.57 |
| 12 | 37° | 5.09 | 158.8° | 6.26 |
| 14 | 36.9° | 5.22 | 171.8° | 6.82 |
| 16 | 36.6° | 5.29 | 177.2° | 7.28 |
| 20 | 37° | 5.32 | 177.2° | 8.1 |
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