BELOEGA
GER DRIFTER 25 *1.48Sail number GER/GER7898
GPH
778.8
OSN
750.4
LOA
7.42 m
Displacement
1790 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5216
Medium
0.7186
High
0.83
Triple Offshore
Low
0.6663
Medium
0.8737
High
0.9812
Boat Specifications
Dimensions
- Length overall
- 7.42 m
- Beam
- 2.73 m
- Draft
- 1.52 m
- Displacement
- 1790 kg
- Crew weight
- 320 kg
- Wetted surface
- 12.76 m²
Sails
- Mainsail
- 11.23 m²
- Genoa
- 18.06 m²
- Spinnaker
- 36.04 m²
- Asymmetric spinnaker
- 30.84 m²
Design
- Type
- DRIFTER 25 *1.48
- Builder
- DEKKER
- Designer
- L. HOOGMOED
- Year built
- 1978
- Stability index
- 107.5
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 | 4.17 | 4.36 | 4.47 | 4.37 | 4.46 | 4.33 | 3.88 | 3.34 |
| 8 | 4.96 | 5.16 | 5.26 | 5.3 | 5.4 | 5.28 | 4.85 | 4.29 |
| 10 | 5.44 | 5.58 | 5.7 | 5.81 | 5.9 | 5.83 | 5.57 | 5.09 |
| 12 | 5.69 | 5.82 | 5.95 | 6.1 | 6.23 | 6.18 | 5.97 | 5.66 |
| 14 | 5.85 | 5.98 | 6.14 | 6.33 | 6.53 | 6.5 | 6.29 | 6.01 |
| 16 | 5.94 | 6.09 | 6.3 | 6.49 | 6.78 | 6.8 | 6.61 | 6.3 |
| 20 | 5.97 | 6.17 | 6.51 | 6.71 | 7.28 | 7.4 | 7.29 | 6.9 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.2° | 2.75 | 147.8° | 2.9 |
| 8 | 41.8° | 3.34 | 151.4° | 3.72 |
| 10 | 40.2° | 3.76 | 154.1° | 4.42 |
| 12 | 38.4° | 4.06 | 162.8° | 5.05 |
| 14 | 37.5° | 4.22 | 175.4° | 5.55 |
| 16 | 37.2° | 4.28 | 179° | 5.9 |
| 20 | 37.8° | 4.25 | 179° | 6.46 |
Loading polar chart…