X-tra
NED X-79Sail number NED/NED5867
GPH
702.8
OSN
681.2
LOA
7.927 m
Displacement
1806 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5791
Medium
0.7891
High
0.8969
Triple Offshore
Low
0.7469
Medium
0.9629
High
1.0782
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
- 14.35 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
- Stability index
- 100.8
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.61 | 4.89 | 5.09 | 5.12 | 5.16 | 4.99 | 4.47 | 3.77 |
| 8 | 5.49 | 5.72 | 5.87 | 6.01 | 6.07 | 5.96 | 5.48 | 4.77 |
| 10 | 5.98 | 6.13 | 6.25 | 6.44 | 6.54 | 6.46 | 6.19 | 5.66 |
| 12 | 6.22 | 6.38 | 6.54 | 6.68 | 7.01 | 6.93 | 6.61 | 6.24 |
| 14 | 6.32 | 6.53 | 6.81 | 6.89 | 7.4 | 7.39 | 7.07 | 6.64 |
| 16 | 6.37 | 6.6 | 7 | 7.2 | 7.65 | 7.89 | 7.53 | 7.06 |
| 20 | 6.37 | 6.64 | 7.14 | 7.63 | 8.09 | 8.72 | 8.86 | 7.98 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.03 | 146.9° | 3.27 |
| 8 | 42° | 3.66 | 150.9° | 4.13 |
| 10 | 40.6° | 4.15 | 152.3° | 4.91 |
| 12 | 39° | 4.42 | 162.8° | 5.6 |
| 14 | 38.5° | 4.51 | 177.2° | 6.12 |
| 16 | 38.4° | 4.54 | 177.2° | 6.49 |
| 20 | 39.3° | 4.5 | 177.2° | 7.27 |
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