WILLIAM MARTIN
ESP ELVSTROM 1/4 TONSail number ESP/ESP738_C
GPH
764.1
OSN
745.1
LOA
7.53 m
Displacement
1732 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5719
Medium
0.7289
High
0.8016
Triple Offshore
Low
0.7178
Medium
0.8714
High
0.9427
Boat Specifications
Dimensions
- Length overall
- 7.53 m
- Beam
- 2.64 m
- Draft
- 1.47 m
- Displacement
- 1732 kg
- Crew weight
- 230 kg
- Wetted surface
- 11.6 m²
Sails
- Mainsail
- 13.08 m²
- Genoa
- 21.68 m²
- Spinnaker
- 45.43 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- ELVSTROM 1/4 TON
- Builder
- FIBRESTER
- Designer
- P. ELVSTROM
- Year built
- 1976
- Stability index
- 113.4
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.58 | 4.75 | 4.84 | 4.74 | 4.75 | 4.63 | 4.24 | 3.67 |
| 8 | 5.16 | 5.28 | 5.36 | 5.34 | 5.46 | 5.4 | 5.1 | 4.57 |
| 10 | 5.42 | 5.53 | 5.63 | 5.65 | 5.81 | 5.8 | 5.61 | 5.26 |
| 12 | 5.54 | 5.67 | 5.81 | 5.87 | 6.08 | 6.1 | 5.95 | 5.68 |
| 14 | 5.6 | 5.74 | 5.95 | 6.05 | 6.3 | 6.37 | 6.27 | 5.99 |
| 16 | 5.63 | 5.79 | 6.04 | 6.2 | 6.44 | 6.6 | 6.57 | 6.28 |
| 20 | 5.65 | 5.83 | 6.14 | 6.41 | 6.66 | 6.96 | 7.18 | 6.88 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 41.1° | 3.1 | 148.4° | 3.17 |
| 8 | 39° | 3.62 | 152° | 3.96 |
| 10 | 37.8° | 3.88 | 157.2° | 4.62 |
| 12 | 37.6° | 3.97 | 171.8° | 5.18 |
| 14 | 38.1° | 4.01 | 178.1° | 5.59 |
| 16 | 38.1° | 4.03 | 179° | 5.89 |
| 20 | 39° | 3.99 | 179° | 6.44 |
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