JFS
ITA Joker mod.Sail number ITA/ITAJFS21
GPH
596.2
OSN
580.1
LOA
8.073 m
Displacement
800 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6908
Medium
0.895
High
1.0487
Triple Offshore
Low
0.8861
Medium
1.1255
High
1.3078
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
- 12.17 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
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.57 | 5.92 | 6.14 | 6.09 | 6.08 | 5.93 | 5.33 | 4.48 |
| 8 | 6.4 | 6.61 | 6.82 | 6.81 | 7.04 | 6.93 | 6.48 | 5.71 |
| 10 | 6.74 | 7.07 | 7.5 | 7.56 | 7.93 | 7.97 | 7.35 | 6.56 |
| 12 | 6.9 | 7.29 | 7.93 | 8.43 | 8.53 | 8.96 | 8.53 | 7.31 |
| 14 | 6.99 | 7.41 | 8.18 | 8.95 | 9.08 | 9.65 | 9.84 | 8.36 |
| 16 | 7.07 | 7.48 | 8.34 | 9.28 | 9.79 | 10.34 | 11.27 | 9.57 |
| 20 | 7.21 | 7.76 | 8.82 | 9.65 | 11.36 | 11.72 | 13.51 | 12.99 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.1° | 3.6 | 142.8° | 3.88 |
| 8 | 41.1° | 4.39 | 146.9° | 4.95 |
| 10 | 38.7° | 4.73 | 151.6° | 5.69 |
| 12 | 38.1° | 4.83 | 148.5° | 6.33 |
| 14 | 38.1° | 4.86 | 145.6° | 7.24 |
| 16 | 38.1° | 4.9 | 141.7° | 8.29 |
| 20 | 39° | 4.88 | 144.2° | 11.25 |
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