M^4
ARG J-80Sail number ARG/ARG1237
GPH
659.8
OSN
642
LOA
8.032 m
Displacement
1409 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6324
Medium
0.8297
High
0.9487
Triple Offshore
Low
0.8087
Medium
1.0171
High
1.1519
Boat Specifications
Dimensions
- Length overall
- 8.032 m
- Beam
- 2.49 m
- Draft
- 1.49 m
- Displacement
- 1409 kg
- Crew weight
- 395 kg
- Wetted surface
- 13.44 m²
Sails
- Mainsail
- 21.31 m²
- Genoa
- 13.69 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 62.76 m²
Design
- Type
- J-80
- Builder
- J. COMPOSITE
- Designer
- R. JOHNSTONE
- Year built
- 1993
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.93 | 5.18 | 5.39 | 5.64 | 5.57 | 5.43 | 4.93 | 4.21 |
| 8 | 5.79 | 5.98 | 6.19 | 6.39 | 6.43 | 6.36 | 6 | 5.28 |
| 10 | 6.23 | 6.37 | 6.5 | 6.8 | 6.94 | 6.95 | 6.65 | 6.07 |
| 12 | 6.44 | 6.61 | 6.81 | 7.04 | 7.36 | 7.48 | 7.23 | 6.6 |
| 14 | 6.53 | 6.73 | 7.04 | 7.23 | 7.8 | 7.99 | 7.87 | 7.02 |
| 16 | 6.6 | 6.81 | 7.18 | 7.48 | 8.22 | 8.46 | 8.65 | 7.52 |
| 20 | 6.67 | 6.92 | 7.38 | 7.92 | 9.02 | 10.11 | 11.37 | 9.92 |
| 24 | 6.65 | 6.93 | 7.47 | 8.2 | 9.67 | 11.63 | 13.24 | 13.32 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.9° | 3.25 | 144.7° | 3.64 |
| 8 | 40.7° | 3.95 | 148.5° | 4.57 |
| 10 | 38.2° | 4.44 | 149.6° | 5.26 |
| 12 | 37° | 4.65 | 149.6° | 5.72 |
| 14 | 36.6° | 4.73 | 147.4° | 6.08 |
| 16 | 36.5° | 4.79 | 144.5° | 6.51 |
| 20 | 36.8° | 4.82 | 140.4° | 8.59 |
| 24 | 38.8° | 4.69 | 145.7° | 11.54 |
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