IRS CHALLENGER
POL OPTIMA 101Sail number POL/POL15573
GPH
713.2
OSN
691.2
LOA
9.957 m
Displacement
4310 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5524
Medium
0.7609
High
0.9028
Triple Offshore
Low
0.7181
Medium
0.956
High
1.0943
Boat Specifications
Dimensions
- Length overall
- 9.957 m
- Beam
- 3.41 m
- Draft
- 1.76 m
- Displacement
- 4310 kg
- Crew weight
- 560 kg
- Wetted surface
- 22.63 m²
Sails
- Mainsail
- 27.64 m²
- Genoa
- 19.4 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 53.22 m²
Design
- Type
- OPTIMA 101
- Builder
- DEHLER
- Designer
- V.DE STADT
- Year built
- 1985
- Stability index
- 106.2
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.32 | 4.59 | 4.79 | 5.03 | 5.03 | 4.85 | 4.37 | 3.73 |
| 8 | 5.2 | 5.49 | 5.71 | 6.1 | 6.13 | 5.93 | 5.41 | 4.72 |
| 10 | 5.88 | 6.16 | 6.4 | 6.7 | 6.74 | 6.63 | 6.28 | 5.54 |
| 12 | 6.34 | 6.54 | 6.73 | 7.03 | 7.1 | 7.02 | 6.77 | 6.2 |
| 14 | 6.6 | 6.77 | 6.92 | 7.28 | 7.44 | 7.37 | 7.11 | 6.61 |
| 16 | 6.74 | 6.92 | 7.12 | 7.43 | 7.8 | 7.74 | 7.45 | 6.89 |
| 20 | 6.81 | 7.04 | 7.43 | 7.66 | 8.34 | 8.46 | 8.17 | 7.41 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 45° | 2.79 | 146° | 3.23 |
| 8 | 43.2° | 3.41 | 147.1° | 4.08 |
| 10 | 42.6° | 3.88 | 146.6° | 4.8 |
| 12 | 42° | 4.28 | 147.9° | 5.37 |
| 14 | 40.2° | 4.59 | 165.8° | 5.75 |
| 16 | 39.9° | 4.74 | 174.5° | 6.31 |
| 20 | 40.2° | 4.76 | 177.2° | 6.96 |
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