X-tra
NED X-79Sail number NED/NED5867
GPH
699.6
OSN
678.5
LOA
7.927 m
Displacement
1806 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5917
Medium
0.797
High
0.901
Triple Offshore
Low
0.7588
Medium
0.9637
High
1.0703
Boat Specifications
Dimensions
- Length overall
- 7.927 m
- Beam
- 2.86 m
- Draft
- 1.39 m
- Displacement
- 1806 kg
- Crew weight
- 352 kg
- Wetted surface
- 14.48 m²
Sails
- Mainsail
- 21.11 m²
- Genoa
- 16.94 m²
- Spinnaker
- 50.16 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- X-79
- Builder
- X-Yachts
- Designer
- N. Jeppesen
- Year built
- 1979
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.79 | 5.03 | 5.16 | 5.14 | 5.19 | 5.02 | 4.5 | 3.77 |
| 8 | 5.59 | 5.76 | 5.87 | 5.97 | 6.04 | 5.93 | 5.47 | 4.79 |
| 10 | 6 | 6.13 | 6.24 | 6.36 | 6.5 | 6.43 | 6.16 | 5.64 |
| 12 | 6.21 | 6.34 | 6.49 | 6.56 | 6.85 | 6.82 | 6.57 | 6.21 |
| 14 | 6.3 | 6.47 | 6.69 | 6.77 | 7.17 | 7.21 | 6.97 | 6.59 |
| 16 | 6.34 | 6.53 | 6.83 | 7.01 | 7.44 | 7.64 | 7.38 | 6.96 |
| 20 | 6.39 | 6.61 | 6.99 | 7.37 | 7.89 | 8.58 | 8.72 | 7.8 |
| 24 | 6.38 | 6.62 | 7.07 | 7.6 | 8.38 | 9.59 | 11.39 | 9.96 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.9° | 3.16 | 145.8° | 3.26 |
| 8 | 40.9° | 3.81 | 150.5° | 4.15 |
| 10 | 38.8° | 4.26 | 153.7° | 4.9 |
| 12 | 37.6° | 4.48 | 164.9° | 5.58 |
| 14 | 37.3° | 4.56 | 177.7° | 6.09 |
| 16 | 37.3° | 4.59 | 178.6° | 6.45 |
| 20 | 38° | 4.58 | 178.4° | 7.14 |
| 24 | 40° | 4.46 | 142.3° | 8.63 |
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