Jumanji
ISR J 120Sail number ISR/ISR524
GPH
572.4
OSN
557.7
LOA
12.244 m
Displacement
6556 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6948
Medium
0.955
High
1.0883
Triple Offshore
Low
0.9142
Medium
1.184
High
1.328
Boat Specifications
Dimensions
- Length overall
- 12.244 m
- Beam
- 3.67 m
- Draft
- 2.15 m
- Displacement
- 6556 kg
- Crew weight
- 802 kg
- Wetted surface
- 31.9 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
- Stability index
- 125.4
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.6 | 6.11 | 6.68 | 6.87 | 6.41 | 6.05 | 5.38 | 4.56 |
| 8 | 6.75 | 7.21 | 7.6 | 7.72 | 7.44 | 7.35 | 6.81 | 5.76 |
| 10 | 7.38 | 7.64 | 7.96 | 8.12 | 8.04 | 8 | 7.72 | 6.88 |
| 12 | 7.69 | 7.87 | 8.2 | 8.48 | 8.49 | 8.53 | 8.23 | 7.68 |
| 14 | 7.83 | 8.04 | 8.39 | 8.78 | 8.83 | 9.09 | 8.81 | 8.08 |
| 16 | 7.91 | 8.14 | 8.55 | 9.04 | 9.23 | 9.57 | 9.46 | 8.44 |
| 20 | 7.98 | 8.24 | 8.78 | 9.41 | 10.14 | 10.33 | 11.13 | 9.6 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.6° | 3.59 | 143.8° | 3.95 |
| 8 | 42° | 4.4 | 146.9° | 4.99 |
| 10 | 41.1° | 5.06 | 147.1° | 5.96 |
| 12 | 39.1° | 5.44 | 150.9° | 6.66 |
| 14 | 37.8° | 5.61 | 150.9° | 7 |
| 16 | 37.5° | 5.71 | 171.2° | 7.38 |
| 20 | 36.9° | 5.81 | 143° | 8.32 |
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