HAURAKI: ORC Rating

GPH

614.3

OSN

597

LOA

11.345 m

Displacement

6646 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6669

Medium

0.8966

High

1.0202

Triple Offshore

Low

0.8591

Medium

1.1012

High

1.2178

Boat Specifications

Dimensions

Length overall: 11.345 m
Beam: 3.47 m
Draft: 2.02 m
Displacement: 6646 kg
Crew weight: 745 kg
Wetted surface: 29.26 m²

Sails

Mainsail: 43.14 m²
Genoa: 39.14 m²
Spinnaker: 95.65 m²
Asymmetric spinnaker: 0 m²

Design

Type: X-37
Builder: X-YACHTS
Designer: JEPPESEN
Year built: 2004
Stability index: 119.4

Performance data

Polar CSV

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

6,43.6,4.971196,52,5.5,60,5.79,75,5.99,90,5.87,110,5.72,120,5.55,135,4.98,143.9,4.492631,150,4.19
8,41.4,5.799141,52,6.46,60,6.7,75,6.87,90,6.82,110,6.87,120,6.72,135,6.17,148.7,5.406931,150,5.34
10,40,6.318171,52,7,60,7.2,75,7.34,90,7.34,110,7.49,120,7.41,135,7.03,150,6.32,152.3,6.189338
12,39.3,6.512972,52,7.23,60,7.44,75,7.63,90,7.67,110,7.88,120,7.84,135,7.55,150,7.07,157.7,6.7228
14,38.8,6.595341,52,7.33,60,7.55,75,7.82,90,7.93,110,8.19,120,8.22,135,7.96,150,7.55,169.1,6.96567
16,38.8,6.659498,52,7.39,60,7.61,75,7.93,90,8.15,110,8.41,120,8.58,135,8.36,150,7.93,177.2,7.368797
20,39.1,6.70063,52,7.44,60,7.67,75,8.06,90,8.45,110,8.75,120,9.13,135,9.23,150,8.71,179,8.101234

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.5	5.79	5.99	5.87	5.72	5.55	4.98	4.19
8	6.46	6.7	6.87	6.82	6.87	6.72	6.17	5.34
10	7	7.2	7.34	7.34	7.49	7.41	7.03	6.32
12	7.23	7.44	7.63	7.67	7.88	7.84	7.55	7.07
14	7.33	7.55	7.82	7.93	8.19	8.22	7.96	7.55
16	7.39	7.61	7.93	8.15	8.41	8.58	8.36	7.93
20	7.44	7.67	8.06	8.45	8.75	9.13	9.23	8.71

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.6	143.9°	3.63
8	41.4°	4.35	148.7°	4.62
10	40°	4.84	152.3°	5.48
12	39.3°	5.04	157.7°	6.22
14	38.8°	5.14	169.1°	6.84
16	38.8°	5.19	177.2°	7.36
20	39.1°	5.2	179°	8.1

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°	5.50	6.46	7.00	7.23	7.33	7.39	7.44
60°	5.79	6.70	7.20	7.44	7.55	7.61	7.67
75°	5.99	6.87	7.34	7.63	7.82	7.93	8.06
90°	5.87	6.82	7.34	7.67	7.93	8.15	8.45
110°	5.72	6.87	7.49	7.88	8.19	8.41	8.75
120°	5.55	6.72	7.41	7.84	8.22	8.58	9.13
135°	4.98	6.17	7.03	7.55	7.96	8.36	9.23
150°	4.19	5.34	6.32	7.07	7.55	7.93	8.71