RS21-154
FRA RS 21Sail number FRA/FRA9954
GPH
679.3
OSN
657.8
LOA
6.38 m
Displacement
660 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5913
Medium
0.7897
High
0.9418
Triple Offshore
Low
0.7624
Medium
0.9909
High
1.1979
Boat Specifications
Dimensions
- Length overall
- 6.38 m
- Beam
- 2.2 m
- Draft
- 1.38 m
- Displacement
- 660 kg
- Crew weight
- 325 kg
- Wetted surface
- 9.75 m²
Sails
- Mainsail
- 16.09 m²
- Genoa
- 8.12 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 39.99 m²
Design
- Type
- RS 21
- Builder
- RS SAILING
- Designer
- RICHARDS
- Year built
- 2018
- Stability index
- 122.8
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 | 4.55 | 4.83 | 5.05 | 5.4 | 5.45 | 5.3 | 4.76 | 4.04 |
| 8 | 5.46 | 5.67 | 5.82 | 6.13 | 6.21 | 6.1 | 5.77 | 5.11 |
| 10 | 5.88 | 6.04 | 6.29 | 6.8 | 6.98 | 6.83 | 6.4 | 5.83 |
| 12 | 6.2 | 6.43 | 6.67 | 7.28 | 7.93 | 7.76 | 7.12 | 6.33 |
| 14 | 6.53 | 6.86 | 7.22 | 7.63 | 8.8 | 8.92 | 8.05 | 6.95 |
| 16 | 6.75 | 7.21 | 7.87 | 8.02 | 9.42 | 10.22 | 9.19 | 7.77 |
| 20 | 6.84 | 7.44 | 8.73 | 9.98 | 10.65 | 12.02 | 13.39 | 11.04 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.2° | 2.95 | 144.2° | 3.5 |
| 8 | 43.5° | 3.61 | 147.8° | 4.43 |
| 10 | 40.8° | 4.09 | 150.5° | 5.05 |
| 12 | 38.4° | 4.4 | 147.8° | 5.49 |
| 14 | 37.2° | 4.58 | 144.8° | 6.02 |
| 16 | 37.2° | 4.62 | 143.4° | 6.73 |
| 20 | 38.4° | 4.6 | 137.2° | 9.56 |
Loading polar chart…