WILLIAM MARTIN
ESP ELVSTROM 1/4 TONSail number ESP/ESP738_C
GPH
755.4
OSN
738.6
LOA
7.53 m
Displacement
1732 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5739
Medium
0.7358
High
0.8084
Triple Offshore
Low
0.7248
Medium
0.8818
High
0.9547
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
- 11.91 m²
Sails
- Mainsail
- 13.7 m²
- Genoa
- 22.29 m²
- Spinnaker
- 44.76 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- ELVSTROM 1/4 TON
- Builder
- FIBRESTER
- Designer
- P. ELVSTROM
- Year built
- 1976
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.56 | 4.78 | 4.95 | 4.89 | 4.84 | 4.71 | 4.32 | 3.76 |
| 8 | 5.21 | 5.35 | 5.45 | 5.47 | 5.54 | 5.49 | 5.21 | 4.63 |
| 10 | 5.48 | 5.59 | 5.69 | 5.74 | 5.88 | 5.84 | 5.67 | 5.34 |
| 12 | 5.6 | 5.73 | 5.88 | 5.94 | 6.18 | 6.17 | 5.99 | 5.71 |
| 14 | 5.66 | 5.82 | 6.04 | 6.15 | 6.42 | 6.48 | 6.33 | 6.01 |
| 16 | 5.68 | 5.86 | 6.16 | 6.33 | 6.55 | 6.73 | 6.65 | 6.32 |
| 20 | 5.66 | 5.86 | 6.24 | 6.57 | 6.74 | 6.99 | 7.17 | 6.91 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 40.5° | 3.06 | 149.5° | 3.26 |
| 8 | 40.5° | 3.59 | 151° | 4.01 |
| 10 | 39.2° | 3.89 | 157° | 4.69 |
| 12 | 38.6° | 4.01 | 180° | 5.28 |
| 14 | 38.6° | 4.05 | 180° | 5.66 |
| 16 | 38.6° | 4.06 | 180° | 5.94 |
| 20 | 39.4° | 4.01 | 180° | 6.54 |
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