Cirrus III
NED Selecta 31Sail number NED/NED1676
GPH
709.7
OSN
690.5
LOA
9.684 m
Displacement
3937 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5737
Medium
0.7755
High
0.8946
Triple Offshore
Low
0.7389
Medium
0.9537
High
1.0647
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
- 18.68 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
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.58 | 4.87 | 5.09 | 5.02 | 5 | 4.85 | 4.44 | 3.81 |
| 8 | 5.39 | 5.7 | 5.93 | 5.9 | 6.02 | 5.92 | 5.43 | 4.74 |
| 10 | 5.99 | 6.2 | 6.35 | 6.4 | 6.53 | 6.48 | 6.24 | 5.62 |
| 12 | 6.29 | 6.45 | 6.59 | 6.65 | 6.84 | 6.81 | 6.62 | 6.28 |
| 14 | 6.43 | 6.6 | 6.77 | 6.81 | 7.13 | 7.13 | 6.93 | 6.62 |
| 16 | 6.49 | 6.68 | 6.92 | 7 | 7.35 | 7.45 | 7.26 | 6.9 |
| 20 | 6.53 | 6.74 | 7.09 | 7.34 | 7.61 | 7.9 | 7.89 | 7.51 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.1° | 3 | 148° | 3.3 |
| 8 | 42° | 3.55 | 152° | 4.11 |
| 10 | 42.8° | 3.99 | 150° | 4.87 |
| 12 | 41.6° | 4.31 | 159.5° | 5.56 |
| 14 | 40.9° | 4.46 | 180° | 6.13 |
| 16 | 40.5° | 4.53 | 180° | 6.51 |
| 20 | 40.5° | 4.56 | 180° | 7.06 |
Loading polar chart…