JFS
ITA Joker mod.Sail number ITA/ITAJFS21
GPH
596.1
OSN
580.9
LOA
8.073 m
Displacement
800 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7032
Medium
0.8993
High
1.0465
Triple Offshore
Low
0.8965
Medium
1.1207
High
1.2916
Boat Specifications
Dimensions
- Length overall
- 8.073 m
- Beam
- 2.69 m
- Draft
- 1.55 m
- Displacement
- 800 kg
- Crew weight
- 420 kg
- Wetted surface
- 12.16 m²
Sails
- Mainsail
- 22.53 m²
- Genoa
- 16.13 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 54.2 m²
Design
- Type
- Joker mod.
- Builder
- Maxi Dolphin
- Designer
- Santarelli
- Year built
- 1991
- Stability index
- 94.2
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.74 | 6.01 | 6.17 | 6.05 | 6.04 | 5.88 | 5.32 | 4.48 |
| 8 | 6.47 | 6.67 | 6.87 | 6.83 | 7.01 | 6.93 | 6.47 | 5.67 |
| 10 | 6.76 | 7.04 | 7.39 | 7.5 | 7.73 | 7.82 | 7.34 | 6.55 |
| 12 | 6.92 | 7.24 | 7.74 | 8.14 | 8.27 | 8.67 | 8.4 | 7.3 |
| 14 | 7.03 | 7.37 | 8 | 8.62 | 8.78 | 9.32 | 9.57 | 8.23 |
| 16 | 7.1 | 7.48 | 8.2 | 8.97 | 9.35 | 9.96 | 10.9 | 9.34 |
| 20 | 7.13 | 7.57 | 8.45 | 9.43 | 10.87 | 11.4 | 13.16 | 12.69 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.6° | 3.78 | 143° | 3.88 |
| 8 | 39.4° | 4.5 | 146.9° | 4.91 |
| 10 | 37.6° | 4.78 | 151.2° | 5.68 |
| 12 | 37.2° | 4.88 | 148.7° | 6.32 |
| 14 | 37.2° | 4.93 | 146° | 7.13 |
| 16 | 37.5° | 4.96 | 144.7° | 8.09 |
| 20 | 38.8° | 4.89 | 145.7° | 10.99 |
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