RINGLE X
USA X 4.3 MkIISail number USA/USA61551
GPH
578.2
OSN
566.3
LOA
12.497 m
Displacement
9992 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7009
Medium
0.9346
High
1.0466
Triple Offshore
Low
0.9194
Medium
1.1664
High
1.2829
Boat Specifications
Dimensions
- Length overall
- 12.497 m
- Beam
- 3.99 m
- Draft
- 2.19 m
- Displacement
- 9992 kg
- Crew weight
- 820 kg
- Wetted surface
- 37.51 m²
Sails
- Mainsail
- 54.63 m²
- Genoa
- 42.22 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 178.05 m²
Design
- Type
- X 4.3 MkII
- Builder
- X YACHTS
- Designer
- JEPESSEN
- Year built
- 2021
- Stability index
- 120.2
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 | 5.76 | 6.23 | 6.68 | 6.77 | 6.38 | 6.15 | 5.46 | 4.62 |
| 8 | 6.7 | 7.13 | 7.53 | 7.65 | 7.45 | 7.38 | 6.88 | 5.84 |
| 10 | 7.19 | 7.53 | 7.93 | 8.12 | 8.08 | 8.07 | 7.78 | 6.95 |
| 12 | 7.53 | 7.79 | 8.14 | 8.42 | 8.47 | 8.53 | 8.31 | 7.74 |
| 14 | 7.69 | 7.96 | 8.26 | 8.63 | 8.73 | 8.95 | 8.78 | 8.15 |
| 16 | 7.78 | 8.05 | 8.41 | 8.81 | 9.04 | 9.31 | 9.26 | 8.47 |
| 20 | 7.84 | 8.14 | 8.59 | 9.07 | 9.62 | 9.83 | 10.31 | 9.14 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 46.2° | 3.65 | 143.4° | 4 |
| 8 | 42° | 4.35 | 147.3° | 5.06 |
| 10 | 40.8° | 4.87 | 147.8° | 6.02 |
| 12 | 40.5° | 5.15 | 150.3° | 6.7 |
| 14 | 40.2° | 5.28 | 150.5° | 7.06 |
| 16 | 40.2° | 5.34 | 171.8° | 7.45 |
| 20 | 40.6° | 5.36 | 175.7° | 8.29 |
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