Hamba
RSA Elvstrom 1/4 TonSail number RSA/RSA290
GPH
770.2
OSN
749.2
LOA
7.53 m
Displacement
1801 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.56
Medium
0.7254
High
0.8036
Triple Offshore
Low
0.7047
Medium
0.8684
High
0.9447
Boat Specifications
Dimensions
- Length overall
- 7.53 m
- Beam
- 2.64 m
- Draft
- 1.48 m
- Displacement
- 1801 kg
- Crew weight
- 260 kg
- Wetted surface
- 11.85 m²
Sails
- Mainsail
- 13.66 m²
- Genoa
- 19.82 m²
- Spinnaker
- 43.1 m²
- Asymmetric spinnaker
- 36.1 m²
Design
- Type
- Elvstrom 1/4 Ton
- Builder
- Elvstrom & Kjareul
- Designer
- Elvstrom
- Year built
- 1977
- Stability index
- 110
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.47 | 4.64 | 4.72 | 4.62 | 4.67 | 4.55 | 4.16 | 3.6 |
| 8 | 5.1 | 5.23 | 5.31 | 5.33 | 5.42 | 5.35 | 5.03 | 4.5 |
| 10 | 5.4 | 5.51 | 5.6 | 5.68 | 5.79 | 5.76 | 5.57 | 5.2 |
| 12 | 5.55 | 5.66 | 5.79 | 5.89 | 6.08 | 6.07 | 5.91 | 5.64 |
| 14 | 5.62 | 5.76 | 5.94 | 6.03 | 6.32 | 6.34 | 6.22 | 5.94 |
| 16 | 5.66 | 5.81 | 6.05 | 6.18 | 6.52 | 6.59 | 6.51 | 6.23 |
| 20 | 5.68 | 5.85 | 6.16 | 6.41 | 6.8 | 7.05 | 7.1 | 6.8 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 41.4° | 3.01 | 148.4° | 3.12 |
| 8 | 39.4° | 3.55 | 152.3° | 3.9 |
| 10 | 37.8° | 3.87 | 156.9° | 4.57 |
| 12 | 37.8° | 3.99 | 171.2° | 5.13 |
| 14 | 37.6° | 4.04 | 178.1° | 5.55 |
| 16 | 37.8° | 4.06 | 179° | 5.86 |
| 20 | 38.7° | 4.04 | 179° | 6.39 |
Loading polar chart…