PARTY TIME
FRA YOUNG ROCKET 31modSail number FRA/FRA9004
GPH
565.7
OSN
548.5
LOA
10.36 m
Displacement
3050 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7236
Medium
0.9722
High
1.1221
Triple Offshore
Low
0.9309
Medium
1.1919
High
1.3617
Boat Specifications
Dimensions
- Length overall
- 10.36 m
- Beam
- 3.82 m
- Draft
- 2.45 m
- Displacement
- 3050 kg
- Crew weight
- 700 kg
- Wetted surface
- 23.11 m²
Sails
- Mainsail
- 40.88 m²
- Genoa
- 29.97 m²
- Spinnaker
- 120.13 m²
- Asymmetric spinnaker
- 122.89 m²
Design
- Type
- YOUNG ROCKET 31mod
- Builder
- CANTERBURY MARINE
- Designer
- YOUNG Jim
- Year built
- 1988
- Stability index
- 102.9
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 | 5.76 | 6.1 | 6.35 | 6.3 | 6.44 | 6.28 | 5.56 | 4.7 |
| 8 | 6.85 | 7.06 | 7.21 | 7.31 | 7.46 | 7.39 | 6.98 | 5.93 |
| 10 | 7.33 | 7.51 | 7.67 | 7.67 | 8.14 | 8.12 | 7.73 | 6.98 |
| 12 | 7.57 | 7.83 | 8.13 | 8.17 | 8.61 | 8.83 | 8.46 | 7.69 |
| 14 | 7.7 | 8.01 | 8.48 | 8.69 | 9.02 | 9.45 | 9.33 | 8.34 |
| 16 | 7.79 | 8.13 | 8.69 | 9.16 | 9.42 | 9.96 | 10.35 | 9.06 |
| 20 | 7.92 | 8.25 | 8.93 | 9.72 | 10.18 | 11.02 | 12.67 | 11.35 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.6° | 3.78 | 143.3° | 4.07 |
| 8 | 41.4° | 4.62 | 145.1° | 5.14 |
| 10 | 38.7° | 5.22 | 149.6° | 6.04 |
| 12 | 37° | 5.46 | 156.8° | 6.75 |
| 14 | 36.3° | 5.57 | 160.4° | 7.3 |
| 16 | 35.8° | 5.64 | 156.8° | 7.87 |
| 20 | 35.7° | 5.71 | 141.5° | 9.83 |
Loading polar chart…