Jumanji
ISR J 120Sail number ISR/ISR524
GPH
573.7
OSN
559.9
LOA
12.244 m
Displacement
6555 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6915
Medium
0.9497
High
1.0817
Triple Offshore
Low
0.9134
Medium
1.1806
High
1.3217
Boat Specifications
Dimensions
- Length overall
- 12.244 m
- Beam
- 3.67 m
- Draft
- 2.15 m
- Displacement
- 6555 kg
- Crew weight
- 802 kg
- Wetted surface
- 31.97 m²
Sails
- Mainsail
- 46.8 m²
- Genoa
- 44.06 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 153.23 m²
Design
- Type
- J 120
- Builder
- J Boats
- Designer
- Johnstone
- Year built
- 1994
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.65 | 6.15 | 6.72 | 6.92 | 6.47 | 6.07 | 5.36 | 4.52 |
| 8 | 6.78 | 7.23 | 7.62 | 7.74 | 7.47 | 7.35 | 6.78 | 5.69 |
| 10 | 7.38 | 7.65 | 7.97 | 8.14 | 8.04 | 7.99 | 7.68 | 6.81 |
| 12 | 7.69 | 7.87 | 8.21 | 8.49 | 8.49 | 8.5 | 8.18 | 7.62 |
| 14 | 7.82 | 8.04 | 8.4 | 8.8 | 8.84 | 9.07 | 8.73 | 8 |
| 16 | 7.9 | 8.13 | 8.56 | 9.06 | 9.27 | 9.55 | 9.36 | 8.36 |
| 20 | 7.96 | 8.22 | 8.77 | 9.43 | 10.2 | 10.39 | 10.93 | 9.39 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.5° | 3.59 | 143.5° | 3.91 |
| 8 | 42° | 4.4 | 147° | 4.93 |
| 10 | 40.9° | 5.05 | 146.5° | 5.9 |
| 12 | 39° | 5.43 | 150.8° | 6.6 |
| 14 | 37.9° | 5.59 | 151.5° | 6.95 |
| 16 | 37.5° | 5.68 | 176° | 7.41 |
| 20 | 37.3° | 5.75 | 177° | 8.21 |
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