WATER GIPSY
GRE HALLBERG RASSY 42Sail number GRE/GRE4295
Stored record updated May 13, 2026 UTC.
GPH
688.3
OSN
668.1
LOA
12.95 m
Displacement
13943 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6351
Medium
0.88
High
1.0415
Triple Offshore
Low
0.8317
Medium
1.1173
High
1.2771
Boat Specifications
Dimensions
- Length overall
- 12.95 m
- Beam
- 3.9 m
- Draft
- 1.93 m
- Displacement
- 13943 kg
- Crew weight
- 630 kg
- Wetted surface
- 41.48 m²
Sails
- Mainsail
- 32.67 m²
- Genoa
- 55.1 m²
- Spinnaker
- 110.24 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- HALLBERG RASSY 42
- Builder
- HALLBERG RASSY
- Designer
- G.FRERS
- Year built
- 1984
Performance data
Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.47 | 4.83 | 5.12 | 5.2 | 5.23 | 5.08 | 4.58 | 3.82 |
| 8 | 5.36 | 5.68 | 5.98 | 6.2 | 6.3 | 6.15 | 5.62 | 4.83 |
| 10 | 6.02 | 6.38 | 6.73 | 7.01 | 7.15 | 7.04 | 6.57 | 5.74 |
| 12 | 6.58 | 6.92 | 7.24 | 7.43 | 7.57 | 7.52 | 7.25 | 6.55 |
| 14 | 6.92 | 7.22 | 7.5 | 7.67 | 7.83 | 7.82 | 7.62 | 7.17 |
| 16 | 7.08 | 7.36 | 7.65 | 7.84 | 8.04 | 8.08 | 7.89 | 7.53 |
| 20 | 7.17 | 7.46 | 7.78 | 8.1 | 8.26 | 8.52 | 8.45 | 8.03 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 45.9° | 2.84 | 144.3° | 3.3 |
| 8 | 43.7° | 3.49 | 148.1° | 4.18 |
| 10 | 42.6° | 3.96 | 148.4° | 4.97 |
| 12 | 42.5° | 4.31 | 150.4° | 5.67 |
| 14 | 43.6° | 4.54 | 155.2° | 6.27 |
| 16 | 43.8° | 4.67 | 163° | 6.75 |
| 20 | 44.1° | 4.73 | 179.2° | 7.5 |
VPP POLAR · BOAT SPEED BY TWAKT
Hover or tap the chart, or use the slider, to read boat speeds.
True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt
Data table
| TWA | Boat speed in 6 kt (kt) | Boat speed in 8 kt (kt) | Boat speed in 10 kt (kt) | Boat speed in 12 kt (kt) | Boat speed in 14 kt (kt) | Boat speed in 16 kt (kt) | Boat speed in 20 kt (kt) |
|---|---|---|---|---|---|---|---|
| 0° | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 52° | 4.47 | 5.36 | 6.02 | 6.58 | 6.92 | 7.08 | 7.17 |
| 60° | 4.83 | 5.68 | 6.38 | 6.92 | 7.22 | 7.36 | 7.46 |
| 75° | 5.12 | 5.98 | 6.73 | 7.24 | 7.50 | 7.65 | 7.78 |
| 90° | 5.20 | 6.20 | 7.01 | 7.43 | 7.67 | 7.84 | 8.10 |
| 110° | 5.23 | 6.30 | 7.15 | 7.57 | 7.83 | 8.04 | 8.26 |
| 120° | 5.08 | 6.15 | 7.04 | 7.52 | 7.82 | 8.08 | 8.52 |
| 135° | 4.58 | 5.62 | 6.57 | 7.25 | 7.62 | 7.89 | 8.45 |
| 150° | 3.82 | 4.83 | 5.74 | 6.55 | 7.17 | 7.53 | 8.03 |