CHRISTOPHER DRAGON
USA KER 40+Sail number USA/39
GPH
477.6
OSN
467.7
LOA
12.548 m
Displacement
4238 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.8542
Medium
1.1114
High
1.3116
Triple Offshore
Low
1.11
Medium
1.3996
High
1.6351
Boat Specifications
Dimensions
- Length overall
- 12.548 m
- Beam
- 4.19 m
- Draft
- 2.99 m
- Displacement
- 4238 kg
- Crew weight
- 825 kg
- Wetted surface
- 30.95 m²
Sails
- Mainsail
- 63.33 m²
- Genoa
- 43.73 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 189.24 m²
Design
- Type
- KER 40+
- Builder
- McConaghy
- Designer
- Jason Ker
- Year built
- 2015
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 7.26 | 7.71 | 8.05 | 8.08 | 7.67 | 7.15 | 6.4 | 5.33 |
| 8 | 8.16 | 8.48 | 8.91 | 8.99 | 8.52 | 8.42 | 7.98 | 6.78 |
| 10 | 8.52 | 8.92 | 9.62 | 9.99 | 9.43 | 9.48 | 8.87 | 7.89 |
| 12 | 8.77 | 9.25 | 10.08 | 10.73 | 10.26 | 10.33 | 9.98 | 8.79 |
| 14 | 8.97 | 9.52 | 10.47 | 11.23 | 11.33 | 11.16 | 11.3 | 9.69 |
| 16 | 9.1 | 9.7 | 10.75 | 11.66 | 12.47 | 12.29 | 12.63 | 10.92 |
| 20 | 9.46 | 10.08 | 11.05 | 12.23 | 13.95 | 14.28 | 14.75 | 13.94 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.9° | 4.68 | 141.2° | 4.62 |
| 8 | 40.9° | 5.56 | 143.5° | 5.87 |
| 10 | 38.1° | 6.02 | 149.2° | 6.83 |
| 12 | 36.8° | 6.24 | 151.5° | 7.57 |
| 14 | 36° | 6.36 | 147° | 8.39 |
| 16 | 35.2° | 6.52 | 145.5° | 9.45 |
| 20 | 35.2° | 6.6 | 142.8° | 12.07 |
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