Cirrus III
NED Selecta 31Sail number NED/NED1676
GPH
714.6
OSN
693.2
LOA
9.684 m
Displacement
3937 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5676
Medium
0.772
High
0.8956
Triple Offshore
Low
0.7304
Medium
0.949
High
1.0625
Boat Specifications
Dimensions
- Length overall
- 9.684 m
- Beam
- 2.74 m
- Draft
- 1.49 m
- Displacement
- 3937 kg
- Crew weight
- 459 kg
- Wetted surface
- 18.71 m²
Sails
- Mainsail
- 18.2 m²
- Genoa
- 31.92 m²
- Spinnaker
- 67.85 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- Selecta 31
- Builder
- Van de Stadt
- Designer
- Van de Stadt
- Year built
- 1970
- Stability index
- 113.6
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.52 | 4.8 | 5 | 4.93 | 4.95 | 4.8 | 4.39 | 3.77 |
| 8 | 5.33 | 5.64 | 5.86 | 5.81 | 5.98 | 5.87 | 5.37 | 4.72 |
| 10 | 5.95 | 6.16 | 6.32 | 6.38 | 6.51 | 6.45 | 6.2 | 5.6 |
| 12 | 6.27 | 6.43 | 6.56 | 6.64 | 6.82 | 6.79 | 6.6 | 6.27 |
| 14 | 6.42 | 6.58 | 6.75 | 6.78 | 7.1 | 7.1 | 6.91 | 6.62 |
| 16 | 6.49 | 6.67 | 6.9 | 6.98 | 7.33 | 7.42 | 7.24 | 6.9 |
| 20 | 6.55 | 6.75 | 7.09 | 7.32 | 7.6 | 7.88 | 7.88 | 7.52 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.8° | 2.95 | 147.8° | 3.26 |
| 8 | 42.4° | 3.51 | 152° | 4.09 |
| 10 | 43° | 3.96 | 150.2° | 4.85 |
| 12 | 41.7° | 4.3 | 158.6° | 5.55 |
| 14 | 40.6° | 4.46 | 172.7° | 6.09 |
| 16 | 40.2° | 4.55 | 178.1° | 6.47 |
| 20 | 40° | 4.61 | 179° | 7.02 |
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