WATER GIPSY: ORC Rating

GPH

688.2

OSN

667.9

LOA

12.95 m

Displacement

13943 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5646

Medium

0.7824

High

0.9262

Triple Offshore

Low

0.7394

Medium

0.9933

High

1.1355

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

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.

6,45.8,4.073641,52,4.47,60,4.83,75,5.12,90,5.2,110,5.23,120,5.08,135,4.58,144,4.091385,150,3.82
8,43.7,4.827329,52,5.36,60,5.68,75,5.98,90,6.19,110,6.3,120,6.15,135,5.63,148,4.940758,150,4.83
10,42.8,5.397082,52,6.02,60,6.38,75,6.73,90,7,110,7.15,120,7.04,135,6.58,148.5,5.828954,150,5.74
12,42.8,5.874096,52,6.58,60,6.93,75,7.24,90,7.43,110,7.57,120,7.52,135,7.25,150,6.55,150.5,6.514578
14,43.5,6.258837,52,6.92,60,7.22,75,7.5,90,7.66,110,7.83,120,7.82,135,7.62,150,7.17,155,6.91818
16,43.9,6.48115,52,7.08,60,7.36,75,7.65,90,7.84,110,8.04,120,8.08,135,7.89,150,7.53,163,7.068876
20,44.2,6.611703,52,7.17,60,7.46,75,7.78,90,8.1,110,8.27,120,8.52,135,8.45,150,8.03,180,7.5

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	6.19	6.3	6.15	5.63	4.83
10	6.02	6.38	6.73	7	7.15	7.04	6.58	5.74
12	6.58	6.93	7.24	7.43	7.57	7.52	7.25	6.55
14	6.92	7.22	7.5	7.66	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	8.27	8.52	8.45	8.03

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.8°	2.84	144°	3.31
8	43.7°	3.49	148°	4.19
10	42.8°	3.96	148.5°	4.97
12	42.8°	4.31	150.5°	5.67
14	43.5°	4.54	155°	6.27
16	43.9°	4.67	163°	6.76
20	44.2°	4.74	180°	7.5

VPP POLAR · BOAT SPEED BY TWAKT

TRUE WIND ANGLE —

READ AT ANGLE

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

Boat speed by true wind angle and true wind speed
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	6.93	7.22	7.36	7.46
75°	5.12	5.98	6.73	7.24	7.50	7.65	7.78
90°	5.20	6.19	7.00	7.43	7.66	7.84	8.10
110°	5.23	6.30	7.15	7.57	7.83	8.04	8.27
120°	5.08	6.15	7.04	7.52	7.82	8.08	8.52
135°	4.58	5.63	6.58	7.25	7.62	7.89	8.45
150°	3.82	4.83	5.74	6.55	7.17	7.53	8.03