IONIA
GRE ONE-OFFSail number GRE/GRE49350
GPH
784.4
OSN
757.9
LOA
8.344 m
Displacement
3093 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5662
Medium
0.7853
High
0.9282
Triple Offshore
Low
0.7314
Medium
0.9804
High
1.1161
Boat Specifications
Dimensions
- Length overall
- 8.344 m
- Beam
- 2.45 m
- Draft
- 1.31 m
- Displacement
- 3093 kg
- Crew weight
- 400 kg
- Wetted surface
- 17.47 m²
Sails
- Mainsail
- 13.42 m²
- Genoa
- 22.71 m²
- Spinnaker
- 47.01 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- ONE-OFF
- Builder
- CUSTOM MADE
- Year built
- 1978
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 3.94 | 4.19 | 4.4 | 4.37 | 4.5 | 4.38 | 3.94 | 3.4 |
| 8 | 4.7 | 4.97 | 5.21 | 5.31 | 5.49 | 5.36 | 4.91 | 4.33 |
| 10 | 5.31 | 5.62 | 5.85 | 6.03 | 6.15 | 6.08 | 5.78 | 5.14 |
| 12 | 5.78 | 6.01 | 6.18 | 6.34 | 6.47 | 6.43 | 6.24 | 5.86 |
| 14 | 6.01 | 6.2 | 6.37 | 6.49 | 6.74 | 6.71 | 6.53 | 6.26 |
| 16 | 6.1 | 6.3 | 6.51 | 6.6 | 7 | 7.01 | 6.81 | 6.52 |
| 20 | 6.13 | 6.34 | 6.66 | 6.91 | 7.31 | 7.58 | 7.44 | 7.06 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.8° | 2.53 | 147.9° | 2.95 |
| 8 | 43.2° | 3.08 | 151.6° | 3.75 |
| 10 | 43.1° | 3.48 | 152.2° | 4.46 |
| 12 | 43.3° | 3.82 | 157.2° | 5.14 |
| 14 | 43° | 4.05 | 176.9° | 5.73 |
| 16 | 42.3° | 4.14 | 180° | 6.16 |
| 20 | 42.6° | 4.13 | 180° | 6.67 |
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