IRS CHALLENGER
POL OPTIMA 101Sail number POL/POL15573
GPH
697.5
OSN
678.9
LOA
9.996 m
Displacement
4319 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5901
Medium
0.7824
High
0.8698
Triple Offshore
Low
0.7615
Medium
0.9691
High
1.0569
Boat Specifications
Dimensions
- Length overall
- 9.996 m
- Beam
- 3.41 m
- Draft
- 1.74 m
- Displacement
- 4319 kg
- Crew weight
- 320 kg
- Wetted surface
- 21.84 m²
Sails
- Mainsail
- 27.61 m²
- Genoa
- 19.4 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 91.15 m²
Design
- Type
- OPTIMA 101
- Builder
- DEHLER
- Designer
- V.DE STADT
- Year built
- 1985
- Stability index
- 96.7
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.48 | 4.74 | 4.92 | 5.33 | 5.48 | 5.34 | 4.81 | 4.09 |
| 8 | 5.33 | 5.59 | 5.79 | 6.18 | 6.41 | 6.35 | 5.94 | 5.16 |
| 10 | 5.9 | 6.13 | 6.33 | 6.53 | 6.85 | 6.86 | 6.65 | 6.03 |
| 12 | 6.21 | 6.43 | 6.64 | 6.72 | 7.1 | 7.19 | 7.06 | 6.55 |
| 14 | 6.35 | 6.58 | 6.82 | 6.92 | 7.27 | 7.47 | 7.41 | 6.86 |
| 16 | 6.4 | 6.65 | 6.94 | 7.1 | 7.42 | 7.69 | 7.76 | 7.12 |
| 20 | 6.41 | 6.68 | 7.05 | 7.35 | 7.68 | 8.05 | 8.56 | 7.66 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.2° | 2.91 | 144.8° | 3.55 |
| 8 | 41.8° | 3.56 | 147.3° | 4.47 |
| 10 | 40.8° | 4 | 147.8° | 5.22 |
| 12 | 40.6° | 4.24 | 149.6° | 5.68 |
| 14 | 40.6° | 4.33 | 170° | 6.01 |
| 16 | 40.8° | 4.36 | 174.5° | 6.49 |
| 20 | 41.8° | 4.3 | 176.8° | 7.1 |
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