IRUKANDJI
USA Viper 830Sail number USA/USA50959
GPH
580.2
OSN
564
LOA
8.298 m
Displacement
1344 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7371
Medium
0.9374
High
1.1074
Triple Offshore
Low
0.9286
Medium
1.1448
High
1.3293
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
- 14.42 m²
Sails
- Mainsail
- 28.61 m²
- Genoa
- 18.91 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 91.34 m²
Design
- Type
- Viper 830
- Builder
- Viper Raceboats
- Designer
- Thompson
- Year built
- 1996
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.94 | 6.16 | 6.28 | 6.17 | 6.23 | 6.13 | 5.54 | 4.69 |
| 8 | 6.6 | 6.76 | 6.88 | 6.84 | 7.04 | 7.04 | 6.68 | 5.86 |
| 10 | 6.91 | 7.13 | 7.37 | 7.41 | 7.6 | 7.79 | 7.54 | 6.69 |
| 12 | 7.1 | 7.37 | 7.76 | 7.96 | 8.05 | 8.42 | 8.47 | 7.51 |
| 14 | 7.25 | 7.55 | 8.03 | 8.45 | 8.5 | 9.01 | 9.52 | 8.38 |
| 16 | 7.37 | 7.7 | 8.27 | 8.87 | 8.95 | 9.59 | 10.61 | 9.51 |
| 20 | 7.54 | 7.92 | 8.66 | 9.58 | 10.41 | 10.76 | 12.51 | 12.72 |
| 24 | 7.58 | 8.01 | 8.9 | 10.13 | 11.87 | 12.02 | 14.33 | 15.89 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 40.6° | 4.02 | 143.6° | 4.06 |
| 8 | 37.5° | 4.71 | 147.8° | 5.07 |
| 10 | 35.6° | 5.02 | 149.6° | 5.79 |
| 12 | 35° | 5.18 | 149° | 6.5 |
| 14 | 35° | 5.27 | 145.9° | 7.26 |
| 16 | 35° | 5.34 | 145.2° | 8.24 |
| 20 | 35° | 5.41 | 146.9° | 11.01 |
| 24 | 35.2° | 5.35 | 150.5° | 13.77 |
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