ELPIDA
GRE COBRA 850Sail number GRE/GRE1874
GPH
885.5
OSN
850
LOA
8.17 m
Displacement
3515 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.4964
Medium
0.7016
High
0.8442
Triple Offshore
Low
0.6367
Medium
0.8713
High
1.0167
Boat Specifications
Dimensions
- Length overall
- 8.17 m
- Beam
- 2.89 m
- Draft
- 1.43 m
- Displacement
- 3515 kg
- Crew weight
- 300 kg
- Wetted surface
- 18.36 m²
Sails
- Mainsail
- 12.12 m²
- Genoa
- 21.16 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- COBRA 850
- Builder
- COBRA YACHTS
- Designer
- David Feltham
- Year built
- 1978
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 3.66 | 3.91 | 4.09 | 4.01 | 3.71 | 3.48 | 3.08 | 2.68 |
| 8 | 4.37 | 4.63 | 4.84 | 4.77 | 4.52 | 4.31 | 3.92 | 3.49 |
| 10 | 4.89 | 5.2 | 5.45 | 5.43 | 5.22 | 5.01 | 4.59 | 4.18 |
| 12 | 5.34 | 5.61 | 5.8 | 5.82 | 5.75 | 5.6 | 5.2 | 4.77 |
| 14 | 5.63 | 5.84 | 6.01 | 6.09 | 6.03 | 5.95 | 5.69 | 5.32 |
| 16 | 5.77 | 5.97 | 6.16 | 6.28 | 6.24 | 6.17 | 5.98 | 5.74 |
| 20 | 5.77 | 6.02 | 6.35 | 6.57 | 6.66 | 6.58 | 6.39 | 6.2 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 45.8° | 2.33 | 170° | 2.41 |
| 8 | 44.4° | 2.84 | 170.9° | 3.18 |
| 10 | 43.4° | 3.19 | 172.1° | 3.86 |
| 12 | 43.8° | 3.48 | 172.9° | 4.45 |
| 14 | 43.9° | 3.72 | 173.1° | 5 |
| 16 | 43.5° | 3.85 | 174.5° | 5.5 |
| 20 | 44.6° | 3.77 | 177.4° | 6.08 |
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