MARRIAH
AUS Ketch Roper 57Sail number AUS/RQ809
GPH
639.2
OSN
618
LOA
17.37 m
Displacement
21679 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.667
Medium
0.9421
High
1.1777
Triple Offshore
Low
0.8745
Medium
1.207
High
1.4448
Boat Specifications
Dimensions
- Length overall
- 17.37 m
- Beam
- 4.8 m
- Draft
- 2.33 m
- Displacement
- 21679 kg
- Crew weight
- 957 kg
- Wetted surface
- 58.88 m²
Sails
- Mainsail
- 42.97 m²
- Genoa
- 63.39 m²
- Spinnaker
- 144.68 m²
- Asymmetric spinnaker
- 158.21 m²
Design
- Type
- Ketch Roper 57
- Builder
- Roper Yachts
- Designer
- Ian Linton
- Year built
- 1980
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.66 | 5.07 | 5.44 | 5.46 | 5.47 | 5.29 | 4.75 | 4.01 |
| 8 | 5.69 | 6.08 | 6.47 | 6.54 | 6.66 | 6.46 | 5.93 | 5.17 |
| 10 | 6.45 | 6.92 | 7.4 | 7.61 | 7.74 | 7.54 | 6.91 | 6.14 |
| 12 | 7.14 | 7.65 | 8.05 | 8.31 | 8.39 | 8.27 | 7.82 | 7.01 |
| 14 | 7.73 | 8.12 | 8.42 | 8.67 | 8.77 | 8.69 | 8.39 | 7.83 |
| 16 | 8.08 | 8.4 | 8.67 | 8.81 | 9.1 | 9.02 | 8.76 | 8.36 |
| 20 | 8.39 | 8.71 | 9.05 | 9.17 | 9.61 | 9.68 | 9.41 | 9.02 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 46.5° | 2.95 | 146.5° | 3.48 |
| 8 | 44.9° | 3.65 | 150.2° | 4.47 |
| 10 | 44° | 4.17 | 152.9° | 5.33 |
| 12 | 44.4° | 4.58 | 154° | 6.1 |
| 14 | 45.4° | 4.97 | 156.4° | 6.85 |
| 16 | 44.9° | 5.29 | 171.9° | 7.53 |
| 20 | 43.5° | 5.6 | 180° | 8.53 |
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