IRUKANDJI
USA Viper 830Sail number USA/USA50959
GPH
570.4
OSN
556.4
LOA
8.298 m
Displacement
1344 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7533
Medium
0.947
High
1.1165
Triple Offshore
Low
0.9493
Medium
1.1607
High
1.3466
Boat Specifications
Dimensions
- Length overall
- 8.298 m
- Beam
- 2.56 m
- Draft
- 2.18 m
- Displacement
- 1344 kg
- Crew weight
- 467 kg
- Wetted surface
- 14.3 m²
Sails
- Mainsail
- 28.61 m²
- Genoa
- 27.48 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 91.34 m²
Design
- Type
- Viper 830
- Builder
- Viper Raceboats
- Designer
- Thompson
- Year built
- 1996
- Stability index
- 125.2
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 6.2 | 6.4 | 6.52 | 6.44 | 6.26 | 6.15 | 5.56 | 4.7 |
| 8 | 6.74 | 6.93 | 7.09 | 7.06 | 7.08 | 7.07 | 6.7 | 5.88 |
| 10 | 7.02 | 7.26 | 7.57 | 7.65 | 7.68 | 7.85 | 7.58 | 6.71 |
| 12 | 7.21 | 7.49 | 7.91 | 8.2 | 8.16 | 8.54 | 8.53 | 7.55 |
| 14 | 7.36 | 7.66 | 8.18 | 8.67 | 8.63 | 9.15 | 9.62 | 8.44 |
| 16 | 7.47 | 7.81 | 8.4 | 9.06 | 9.32 | 9.77 | 10.77 | 9.6 |
| 20 | 7.6 | 8 | 8.76 | 9.67 | 10.78 | 11.01 | 12.82 | 12.89 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 40.6° | 4.23 | 143.9° | 4.07 |
| 8 | 36.9° | 4.84 | 147.9° | 5.09 |
| 10 | 35.2° | 5.1 | 151.6° | 5.81 |
| 12 | 35° | 5.24 | 149.2° | 6.53 |
| 14 | 35° | 5.33 | 146° | 7.31 |
| 16 | 35° | 5.39 | 145.1° | 8.32 |
| 20 | 35° | 5.42 | 147° | 11.16 |
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