CSI Rakker
NED A-31Sail number NED/NED8118
GPH
644.4
OSN
623.9
LOA
9.5 m
Displacement
3327 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7013
Medium
0.9675
High
1.1128
Triple Offshore
Low
0.9059
Medium
1.1871
High
1.3388
Boat Specifications
Dimensions
- Length overall
- 9.5 m
- Beam
- 3.27 m
- Draft
- 1.97 m
- Displacement
- 3327 kg
- Crew weight
- 600 kg
- Wetted surface
- 20.15 m²
Sails
- Mainsail
- 27.9 m²
- Genoa
- 21.81 m²
- Spinnaker
- 68.38 m²
- Asymmetric spinnaker
- 56.09 m²
Design
- Type
- A-31
- Builder
- ARCHAMBAULT
- Designer
- JOUBERT-NIVELT
- Year built
- 2009
Velocity Prediction
Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.91 | 5.17 | 5.38 | 5.51 | 5.53 | 5.37 | 4.86 | 4.07 |
| 8 | 5.9 | 6.17 | 6.37 | 6.6 | 6.65 | 6.52 | 6 | 5.15 |
| 10 | 6.57 | 6.75 | 6.88 | 7.11 | 7.19 | 7.1 | 6.79 | 6.12 |
| 12 | 6.88 | 7.04 | 7.19 | 7.42 | 7.63 | 7.56 | 7.23 | 6.82 |
| 14 | 7.02 | 7.22 | 7.45 | 7.59 | 8.09 | 8.07 | 7.67 | 7.23 |
| 16 | 7.07 | 7.29 | 7.66 | 7.83 | 8.49 | 8.62 | 8.19 | 7.63 |
| 20 | 7.1 | 7.3 | 7.85 | 8.38 | 9.04 | 9.65 | 9.48 | 8.61 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.2° | 3.24 | 145.4° | 3.52 |
| 8 | 40.9° | 3.95 | 149.3° | 4.46 |
| 10 | 40.2° | 4.53 | 150.8° | 5.31 |
| 12 | 38.5° | 4.88 | 158.6° | 6.03 |
| 14 | 38.4° | 4.99 | 180° | 6.64 |
| 16 | 38.3° | 5.03 | 180° | 7.08 |
| 20 | 38.3° | 5.07 | 180° | 7.86 |
Loading polar chart…