XS
EST X-79 ODSail number EST/EST790
GPH
696.3
OSN
675.4
LOA
7.927 m
Displacement
1573 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5892
Medium
0.7963
High
0.9036
Triple Offshore
Low
0.7599
Medium
0.9683
High
1.0875
Boat Specifications
Dimensions
- Length overall
- 7.927 m
- Beam
- 2.86 m
- Draft
- 1.36 m
- Displacement
- 1573 kg
- Crew weight
- 460 kg
- Wetted surface
- 14.01 m²
Sails
- Mainsail
- 22.09 m²
- Genoa
- 11.41 m²
- Spinnaker
- 48.38 m²
- Asymmetric spinnaker
- 40.07 m²
Design
- Type
- X-79 OD
- Designer
- JEPPESEN
- Year built
- 1979
- Stability index
- 94.9
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 | 4.68 | 4.92 | 5.16 | 5.39 | 5.26 | 5.11 | 4.62 | 3.84 |
| 8 | 5.5 | 5.7 | 5.96 | 6.13 | 6.09 | 5.99 | 5.58 | 4.87 |
| 10 | 5.96 | 6.1 | 6.31 | 6.53 | 6.58 | 6.49 | 6.2 | 5.71 |
| 12 | 6.19 | 6.34 | 6.51 | 6.81 | 6.98 | 6.93 | 6.63 | 6.26 |
| 14 | 6.3 | 6.49 | 6.74 | 6.98 | 7.38 | 7.38 | 7.06 | 6.66 |
| 16 | 6.37 | 6.57 | 6.91 | 7.13 | 7.81 | 7.93 | 7.54 | 7.05 |
| 20 | 6.42 | 6.66 | 7.09 | 7.57 | 8.73 | 9.75 | 9.5 | 8.06 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.07 | 144.3° | 3.33 |
| 8 | 41.2° | 3.72 | 150.5° | 4.22 |
| 10 | 39.4° | 4.18 | 154.7° | 4.97 |
| 12 | 37.6° | 4.46 | 166.4° | 5.63 |
| 14 | 37.2° | 4.55 | 177.2° | 6.13 |
| 16 | 37.2° | 4.58 | 179° | 6.52 |
| 20 | 38.2° | 4.56 | 177.2° | 7.27 |
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