WILLIAM MARTIN
ESP ELVSTROM 1/4 TONSail number ESP/ESP738_C
GPH
759.7
OSN
741.1
LOA
7.53 m
Displacement
1732 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5692
Medium
0.7332
High
0.8079
Triple Offshore
Low
0.7191
Medium
0.8777
High
0.9524
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
- 13.7 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
- Stability index
- 113.7
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.52 | 4.74 | 4.9 | 4.84 | 4.81 | 4.67 | 4.28 | 3.72 |
| 8 | 5.19 | 5.32 | 5.42 | 5.43 | 5.51 | 5.46 | 5.18 | 4.61 |
| 10 | 5.45 | 5.56 | 5.66 | 5.72 | 5.86 | 5.82 | 5.65 | 5.33 |
| 12 | 5.58 | 5.71 | 5.85 | 5.92 | 6.17 | 6.16 | 5.98 | 5.71 |
| 14 | 5.64 | 5.8 | 6.02 | 6.14 | 6.4 | 6.47 | 6.33 | 6.01 |
| 16 | 5.66 | 5.84 | 6.14 | 6.32 | 6.53 | 6.72 | 6.66 | 6.34 |
| 20 | 5.66 | 5.85 | 6.23 | 6.56 | 6.8 | 6.98 | 7.21 | 6.95 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 40.8° | 3.03 | 149.3° | 3.22 |
| 8 | 40.6° | 3.57 | 151.4° | 3.99 |
| 10 | 39.3° | 3.87 | 156.8° | 4.69 |
| 12 | 38.7° | 4 | 173° | 5.24 |
| 14 | 38.4° | 4.04 | 179° | 5.63 |
| 16 | 38.4° | 4.06 | 179° | 5.92 |
| 20 | 39° | 4.03 | 178.4° | 6.52 |
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