TUNCHE
PER J-99Sail number PER/PER990
GPH
611.2
OSN
594.2
LOA
9.95 m
Displacement
3863 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6781
Medium
0.8987
High
1.0081
Triple Offshore
Low
0.871
Medium
1.102
High
1.2221
Boat Specifications
Dimensions
- Length overall
- 9.95 m
- Beam
- 3.41 m
- Draft
- 1.99 m
- Displacement
- 3863 kg
- Crew weight
- 571 kg
- Wetted surface
- 22.97 m²
Sails
- Mainsail
- 35.23 m²
- Genoa
- 27.4 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 106.22 m²
Design
- Type
- J-99
- Builder
- J Composites
- Designer
- J Boats
- Year built
- 2018
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 | 5.37 | 5.65 | 5.82 | 6.08 | 5.97 | 5.83 | 5.23 | 4.43 |
| 8 | 6.32 | 6.53 | 6.74 | 6.95 | 6.98 | 6.89 | 6.44 | 5.58 |
| 10 | 6.84 | 6.99 | 7.16 | 7.4 | 7.49 | 7.45 | 7.17 | 6.51 |
| 12 | 7.09 | 7.25 | 7.41 | 7.7 | 7.88 | 7.92 | 7.67 | 7.1 |
| 14 | 7.21 | 7.4 | 7.65 | 7.9 | 8.22 | 8.38 | 8.17 | 7.46 |
| 16 | 7.28 | 7.49 | 7.81 | 8.06 | 8.6 | 8.82 | 8.7 | 7.81 |
| 20 | 7.36 | 7.6 | 8.01 | 8.41 | 9.35 | 9.8 | 10.45 | 8.56 |
| 24 | 7.37 | 7.63 | 8.11 | 8.68 | 10.12 | 11.62 | 13.07 | 11.88 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.1° | 3.53 | 143.7° | 3.84 |
| 8 | 40.9° | 4.3 | 147.8° | 4.83 |
| 10 | 38.8° | 4.83 | 149° | 5.64 |
| 12 | 37.5° | 5.1 | 150.3° | 6.15 |
| 14 | 37° | 5.21 | 169.4° | 6.47 |
| 16 | 36.9° | 5.28 | 174.7° | 6.97 |
| 20 | 37° | 5.32 | 175.7° | 7.7 |
| 24 | 38.2° | 5.26 | 141.5° | 10.29 |
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