MARRIAH
AUS Ketch Roper 57Sail number AUS/RQ809
GPH
627.4
OSN
605.2
LOA
17.37 m
Displacement
21678 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6095
Medium
0.8604
High
1.0686
Triple Offshore
Low
0.7942
Medium
1.093
High
1.2989
Boat Specifications
Dimensions
- Length overall
- 17.37 m
- Beam
- 4.8 m
- Draft
- 2.33 m
- Displacement
- 21678 kg
- Crew weight
- 957 kg
- Wetted surface
- 58.88 m²
Sails
- Mainsail
- 42.97 m²
- Genoa
- 63.39 m²
- Spinnaker
- 147.58 m²
- Asymmetric spinnaker
- 158.21 m²
Design
- Type
- Ketch Roper 57
- Builder
- Roper Yachts
- Designer
- Ian Linton
- Year built
- 1980
- Stability index
- 138.9
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.75 | 5.15 | 5.46 | 5.45 | 5.56 | 5.41 | 4.89 | 4.15 |
| 8 | 5.78 | 6.14 | 6.44 | 6.6 | 6.77 | 6.6 | 6.08 | 5.29 |
| 10 | 6.55 | 6.96 | 7.32 | 7.64 | 7.84 | 7.68 | 7.1 | 6.26 |
| 12 | 7.27 | 7.67 | 7.97 | 8.29 | 8.45 | 8.37 | 7.98 | 7.17 |
| 14 | 7.8 | 8.11 | 8.35 | 8.64 | 8.82 | 8.77 | 8.5 | 7.95 |
| 16 | 8.11 | 8.37 | 8.6 | 8.82 | 9.14 | 9.11 | 8.86 | 8.45 |
| 20 | 8.37 | 8.65 | 8.95 | 9.1 | 9.67 | 9.78 | 9.54 | 9.11 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 46.6° | 3.02 | 144.8° | 3.59 |
| 8 | 44.2° | 3.75 | 148.4° | 4.59 |
| 10 | 43° | 4.3 | 152° | 5.43 |
| 12 | 43° | 4.75 | 152.3° | 6.22 |
| 14 | 43.5° | 5.16 | 156.5° | 6.97 |
| 16 | 43° | 5.45 | 166.4° | 7.62 |
| 20 | 42° | 5.7 | 179° | 8.57 |
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