Second Mouse
USA J-27Sail number USA/40535
GPH
661.3
OSN
641.9
LOA
8.824 m
Displacement
1643 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6932
Medium
0.9404
High
1.0742
Triple Offshore
Low
0.8943
Medium
1.148
High
1.3042
Boat Specifications
Dimensions
- Length overall
- 8.824 m
- Beam
- 2.6 m
- Draft
- 1.5 m
- Displacement
- 1643 kg
- Crew weight
- 499 kg
- Wetted surface
- 14.89 m²
Sails
- Mainsail
- 23.31 m²
- Genoa
- 21.91 m²
- Spinnaker
- 41.05 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- J-27
- Builder
- TPI
- Designer
- Johnstone
- Year built
- 1985
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.12 | 5.39 | 5.61 | 5.55 | 5.29 | 5.11 | 4.6 | 3.83 |
| 8 | 6.01 | 6.19 | 6.31 | 6.29 | 6.27 | 6.14 | 5.65 | 4.87 |
| 10 | 6.42 | 6.56 | 6.69 | 6.73 | 6.78 | 6.66 | 6.35 | 5.77 |
| 12 | 6.61 | 6.82 | 7.08 | 7.14 | 7.35 | 7.2 | 6.8 | 6.4 |
| 14 | 6.71 | 6.96 | 7.38 | 7.56 | 7.94 | 7.79 | 7.32 | 6.82 |
| 16 | 6.77 | 7.05 | 7.54 | 7.95 | 8.46 | 8.49 | 7.89 | 7.29 |
| 20 | 6.78 | 7.11 | 7.69 | 8.39 | 9.21 | 10.01 | 9.43 | 8.42 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.5° | 3.37 | 146.2° | 3.32 |
| 8 | 41.5° | 4.07 | 150.3° | 4.21 |
| 10 | 38.9° | 4.57 | 152.2° | 5.01 |
| 12 | 37.2° | 4.79 | 162.6° | 5.71 |
| 14 | 36.5° | 4.87 | 180° | 6.29 |
| 16 | 36.3° | 4.92 | 180° | 6.7 |
| 20 | 36.7° | 4.91 | 180° | 7.6 |
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