SPITFIRE
USA J 105Sail number USA/USA41
GPH
607.6
OSN
590
LOA
10.57 m
Displacement
3999 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.68
Medium
0.9047
High
1.0189
Triple Offshore
Low
0.8719
Medium
1.1109
High
1.2355
Boat Specifications
Dimensions
- Length overall
- 10.57 m
- Beam
- 3.34 m
- Draft
- 2.01 m
- Displacement
- 3999 kg
- Crew weight
- 500 kg
- Wetted surface
- 24.23 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
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.59 | 5.86 | 6.02 | 5.95 | 5.79 | 5.57 | 5.01 | 4.24 |
| 8 | 6.55 | 6.75 | 6.86 | 6.93 | 6.86 | 6.73 | 6.22 | 5.39 |
| 10 | 7.04 | 7.19 | 7.3 | 7.43 | 7.47 | 7.4 | 7.06 | 6.35 |
| 12 | 7.25 | 7.42 | 7.59 | 7.76 | 7.92 | 7.91 | 7.6 | 7.01 |
| 14 | 7.35 | 7.54 | 7.81 | 7.98 | 8.3 | 8.39 | 8.12 | 7.42 |
| 16 | 7.42 | 7.62 | 7.94 | 8.18 | 8.69 | 8.87 | 8.65 | 7.78 |
| 20 | 7.51 | 7.74 | 8.14 | 8.55 | 9.45 | 9.85 | 10.06 | 8.54 |
| 24 | 7.53 | 7.79 | 8.28 | 8.82 | 10.2 | 11.52 | 13.06 | 11.15 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.7° | 3.69 | 143.5° | 3.67 |
| 8 | 40.5° | 4.49 | 147.3° | 4.67 |
| 10 | 38.3° | 4.99 | 148.8° | 5.5 |
| 12 | 37.1° | 5.21 | 149.6° | 6.07 |
| 14 | 36.8° | 5.33 | 149.8° | 6.43 |
| 16 | 36.5° | 5.4 | 173.4° | 6.88 |
| 20 | 36.3° | 5.47 | 175.7° | 7.67 |
| 24 | 36.9° | 5.45 | 139.6° | 9.65 |
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