GONTZI
GRE ONYXSail number GRE/GRE1942
GPH
550.5
OSN
537.4
LOA
8.5 m
Displacement
900 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7598
Medium
0.9635
High
1.1469
Triple Offshore
Low
0.9676
Medium
1.2087
High
1.427
Boat Specifications
Dimensions
- Length overall
- 8.5 m
- Beam
- 2.22 m
- Draft
- 1.77 m
- Displacement
- 900 kg
- Crew weight
- 480 kg
- Wetted surface
- 11.6 m²
Sails
- Mainsail
- 25.28 m²
- Genoa
- 13.46 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 68.55 m²
Design
- Type
- ONYX
- Builder
- STEINMAYER
- Designer
- CANTZ
- Year built
- 2005
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 6.12 | 6.4 | 6.61 | 6.58 | 6.62 | 6.51 | 5.94 | 4.96 |
| 8 | 6.8 | 7.02 | 7.29 | 7.31 | 7.54 | 7.51 | 7.01 | 6.19 |
| 10 | 7.13 | 7.51 | 8.02 | 8.16 | 8.26 | 8.56 | 8.06 | 7.08 |
| 12 | 7.34 | 7.79 | 8.55 | 9.06 | 8.99 | 9.32 | 9.35 | 7.92 |
| 14 | 7.47 | 7.96 | 8.88 | 9.78 | 9.8 | 10.1 | 10.82 | 9.21 |
| 16 | 7.7 | 8.17 | 9.11 | 10.24 | 10.84 | 11.03 | 11.9 | 10.78 |
| 20 | 7.87 | 8.51 | 9.78 | 10.78 | 12.85 | 13.02 | 13.95 | 14.14 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 4.03 | 142° | 4.29 |
| 8 | 39° | 4.77 | 147.5° | 5.36 |
| 10 | 36.9° | 5.06 | 152.5° | 6.08 |
| 12 | 36.4° | 5.16 | 148° | 6.86 |
| 14 | 36° | 5.24 | 140.5° | 7.98 |
| 16 | 35.8° | 5.33 | 143° | 9.34 |
| 20 | 36.8° | 5.32 | 147.8° | 12.25 |
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