SOFIA
GRE OHLSON 29Sail number GRE/GRE029
GPH
778.5
OSN
750.5
LOA
8.8 m
Displacement
3123 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5127
Medium
0.7112
High
0.8303
Triple Offshore
Low
0.6602
Medium
0.8771
High
0.9885
Boat Specifications
Dimensions
- Length overall
- 8.8 m
- Beam
- 2.7 m
- Draft
- 1.56 m
- Displacement
- 3123 kg
- Crew weight
- 320 kg
- Wetted surface
- 17.51 m²
Sails
- Mainsail
- 17.45 m²
- Genoa
- 19.06 m²
- Spinnaker
- 58.41 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- OHLSON 29
- Builder
- ARTEKNO
- Designer
- OHLSON EINAR
- Year built
- 1979
Velocity Prediction
Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 3.93 | 4.15 | 4.29 | 4.5 | 4.64 | 4.5 | 4.07 | 3.5 |
| 8 | 4.73 | 4.96 | 5.13 | 5.43 | 5.6 | 5.5 | 5.07 | 4.47 |
| 10 | 5.3 | 5.52 | 5.71 | 5.97 | 6.16 | 6.11 | 5.83 | 5.3 |
| 12 | 5.68 | 5.87 | 6.05 | 6.22 | 6.47 | 6.47 | 6.28 | 5.92 |
| 14 | 5.9 | 6.08 | 6.26 | 6.34 | 6.7 | 6.75 | 6.61 | 6.31 |
| 16 | 6.01 | 6.19 | 6.41 | 6.5 | 6.87 | 6.99 | 6.91 | 6.62 |
| 20 | 6.07 | 6.27 | 6.58 | 6.78 | 7.1 | 7.41 | 7.5 | 7.18 |
| 24 | 6.04 | 6.27 | 6.64 | 6.96 | 7.16 | 7.69 | 8.2 | 7.81 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.8° | 2.54 | 147.1° | 3.03 |
| 8 | 42.7° | 3.14 | 150.5° | 3.87 |
| 10 | 41.5° | 3.56 | 153.1° | 4.6 |
| 12 | 41.1° | 3.87 | 159.9° | 5.24 |
| 14 | 40.7° | 4.06 | 173.6° | 5.78 |
| 16 | 40.5° | 4.14 | 178.1° | 6.18 |
| 20 | 40.8° | 4.17 | 178.8° | 6.75 |
| 24 | 41.9° | 4.07 | 178.6° | 7.28 |
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