SPITFIRE
USA J 105Sail number USA/USA61506
GPH
608.8
OSN
591
LOA
10.57 m
Displacement
3994 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6718
Medium
0.9019
High
1.0169
Triple Offshore
Low
0.8654
Medium
1.1107
High
1.2429
Boat Specifications
Dimensions
- Length overall
- 10.57 m
- Beam
- 3.35 m
- Draft
- 2.01 m
- Displacement
- 3994 kg
- Crew weight
- 500 kg
- Wetted surface
- 24.02 m²
Sails
- Mainsail
- 33.86 m²
- Genoa
- 38.84 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 87.12 m²
Design
- Type
- J 105
- Builder
- TPI
- Designer
- Johnstone
- Year built
- 1991
- Stability index
- 116.5
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.44 | 5.76 | 6.01 | 5.93 | 5.77 | 5.61 | 5.06 | 4.29 |
| 8 | 6.5 | 6.75 | 6.91 | 6.89 | 6.94 | 6.82 | 6.3 | 5.44 |
| 10 | 7.02 | 7.19 | 7.32 | 7.36 | 7.51 | 7.44 | 7.14 | 6.44 |
| 12 | 7.22 | 7.41 | 7.62 | 7.68 | 8.02 | 7.98 | 7.64 | 7.1 |
| 14 | 7.32 | 7.53 | 7.88 | 8.05 | 8.48 | 8.58 | 8.2 | 7.47 |
| 16 | 7.38 | 7.62 | 8.05 | 8.38 | 8.79 | 9.18 | 8.83 | 7.83 |
| 20 | 7.44 | 7.7 | 8.24 | 8.84 | 9.39 | 10.08 | 10.47 | 8.96 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.56 | 143.9° | 3.71 |
| 8 | 41.8° | 4.35 | 147.5° | 4.71 |
| 10 | 39.9° | 4.91 | 148.8° | 5.57 |
| 12 | 38.2° | 5.15 | 150.5° | 6.15 |
| 14 | 37.6° | 5.27 | 150.9° | 6.47 |
| 16 | 37.2° | 5.34 | 173.9° | 6.95 |
| 20 | 36.9° | 5.41 | 142.6° | 7.76 |
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