MENTAQUILIBRIUM
NED J-80Sail number NED/BEL883
GPH
674.1
OSN
653.3
LOA
8.032 m
Displacement
1729 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6178
Medium
0.8177
High
0.9259
Triple Offshore
Low
0.7871
Medium
0.9988
High
1.1234
Boat Specifications
Dimensions
- Length overall
- 8.032 m
- Beam
- 2.49 m
- Draft
- 1.53 m
- Displacement
- 1729 kg
- Crew weight
- 419 kg
- Wetted surface
- 14.21 m²
Sails
- Mainsail
- 21.07 m²
- Genoa
- 14.68 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 52.97 m²
Design
- Type
- J-80
- Builder
- T.P.Y.
- Designer
- R.Johnstone
- Year built
- 1993
- Stability index
- 116.8
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.82 | 5.06 | 5.2 | 5.3 | 5.37 | 5.25 | 4.79 | 4.1 |
| 8 | 5.68 | 5.87 | 5.99 | 6.18 | 6.28 | 6.19 | 5.84 | 5.15 |
| 10 | 6.15 | 6.29 | 6.41 | 6.62 | 6.8 | 6.74 | 6.46 | 5.95 |
| 12 | 6.41 | 6.55 | 6.7 | 6.86 | 7.23 | 7.25 | 6.96 | 6.41 |
| 14 | 6.54 | 6.72 | 6.95 | 7.04 | 7.63 | 7.74 | 7.48 | 6.76 |
| 16 | 6.62 | 6.82 | 7.14 | 7.32 | 7.96 | 8.32 | 8.06 | 7.11 |
| 20 | 6.69 | 6.93 | 7.36 | 7.8 | 8.61 | 9.62 | 10.27 | 8.43 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.6° | 3.18 | 145.1° | 3.55 |
| 8 | 40.6° | 3.86 | 148.7° | 4.46 |
| 10 | 38.7° | 4.36 | 149.8° | 5.15 |
| 12 | 37° | 4.65 | 150.3° | 5.56 |
| 14 | 36.4° | 4.76 | 173° | 5.95 |
| 16 | 36.3° | 4.82 | 175.7° | 6.37 |
| 20 | 36.6° | 4.85 | 137.2° | 7.3 |
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