SPITFIRE
USA J 105Sail number USA/USA61506
GPH
606.2
OSN
589.1
LOA
10.57 m
Displacement
3995 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6815
Medium
0.9051
High
1.0205
Triple Offshore
Low
0.8755
Medium
1.1123
High
1.2385
Boat Specifications
Dimensions
- Length overall
- 10.57 m
- Beam
- 3.35 m
- Draft
- 2.01 m
- Displacement
- 3995 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 | 5.6 | 5.87 | 6.03 | 6.1 | 5.89 | 5.58 | 5.02 | 4.25 |
| 8 | 6.56 | 6.75 | 6.87 | 7.02 | 6.91 | 6.73 | 6.23 | 5.41 |
| 10 | 7.03 | 7.19 | 7.3 | 7.5 | 7.48 | 7.4 | 7.06 | 6.36 |
| 12 | 7.24 | 7.42 | 7.59 | 7.82 | 7.93 | 7.91 | 7.61 | 7.02 |
| 14 | 7.35 | 7.54 | 7.81 | 8.05 | 8.34 | 8.4 | 8.13 | 7.43 |
| 16 | 7.43 | 7.64 | 7.96 | 8.23 | 8.74 | 8.88 | 8.67 | 7.79 |
| 20 | 7.52 | 7.75 | 8.16 | 8.57 | 9.53 | 9.88 | 10.13 | 8.57 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.7° | 3.7 | 143.9° | 3.68 |
| 8 | 40.5° | 4.49 | 147.8° | 4.68 |
| 10 | 38.2° | 4.99 | 148.9° | 5.51 |
| 12 | 37° | 5.21 | 149.6° | 6.08 |
| 14 | 36.6° | 5.33 | 150.1° | 6.44 |
| 16 | 36.4° | 5.41 | 173.9° | 6.9 |
| 20 | 36.3° | 5.48 | 175.7° | 7.69 |
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