IRS Challenger
POL OPTIMA 101Sail number POL/POL15573
GPH
691
OSN
670.3
LOA
9.957 m
Displacement
4306 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.575
Medium
0.7953
High
0.9313
Triple Offshore
Low
0.7473
Medium
0.9851
High
1.1148
Boat Specifications
Dimensions
- Length overall
- 9.957 m
- Beam
- 3.41 m
- Draft
- 1.76 m
- Displacement
- 4306 kg
- Crew weight
- 560 kg
- Wetted surface
- 22.56 m²
Sails
- Mainsail
- 27.64 m²
- Genoa
- 30.17 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 53.22 m²
Design
- Type
- OPTIMA 101
- Builder
- DEHLER
- Designer
- V.DE STADT
- Year built
- 1985
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.67 | 4.98 | 5.22 | 5.16 | 5.12 | 4.93 | 4.4 | 3.73 |
| 8 | 5.56 | 5.89 | 6.14 | 6.16 | 6.2 | 6 | 5.41 | 4.74 |
| 10 | 6.21 | 6.44 | 6.61 | 6.74 | 6.77 | 6.67 | 6.27 | 5.6 |
| 12 | 6.55 | 6.72 | 6.88 | 7.06 | 7.12 | 7.03 | 6.76 | 6.33 |
| 14 | 6.72 | 6.9 | 7.09 | 7.31 | 7.47 | 7.36 | 7.09 | 6.77 |
| 16 | 6.79 | 6.99 | 7.27 | 7.47 | 7.82 | 7.73 | 7.43 | 7.09 |
| 20 | 6.82 | 7.05 | 7.48 | 7.81 | 8.37 | 8.44 | 8.16 | 7.74 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.2° | 3.01 | 146° | 3.23 |
| 8 | 43.1° | 3.64 | 151.5° | 4.11 |
| 10 | 42.4° | 4.14 | 154° | 4.86 |
| 12 | 40.9° | 4.53 | 158° | 5.57 |
| 14 | 39.9° | 4.71 | 180° | 6.21 |
| 16 | 39.6° | 4.78 | 180° | 6.68 |
| 20 | 40.1° | 4.77 | 180° | 7.29 |
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