HAI — ORC Rating | RegattaPages

GPH

821.1

OSN

796.4

LOA

7.85 m

Displacement

2148 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5535

Medium

0.7529

High

0.8574

Triple Offshore

Low

0.7129

Medium

0.9318

High

1.035

Boat Specifications

Dimensions

Length overall: 7.85 m
Beam: 2.2 m
Draft: 1.18 m
Displacement: 2148 kg
Crew weight: 300 kg
Wetted surface: 15.54 m²

Sails

Mainsail: 16.97 m²
Genoa: 13.53 m²
Spinnaker: 32.2 m²
Asymmetric spinnaker: 0 m²

Design

Type: IF-BOAT
Builder: MARIEHOLM
Designer: T. SUNDEN
Year built: 1967

Velocity Prediction

Polar CSV

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

6,43.6,3.424601,52,3.79,60,4.01,75,4.19,90,4.35,110,4.42,120,4.29,135,3.87,149.4,3.380804,150,3.37
8,42.1,4.016303,52,4.5,60,4.75,75,4.98,90,5.27,110,5.34,120,5.22,135,4.75,150,4.22,154.1,4.079782
10,42.5,4.543745,52,5.1,60,5.33,75,5.5,90,5.75,110,5.8,120,5.73,135,5.47,150,4.99,155.6,4.76565
12,42.9,4.94169,52,5.42,60,5.61,75,5.76,90,5.97,110,6.1,120,6.02,135,5.83,150,5.56,172.5,5.033059
14,42.9,5.078201,52,5.56,60,5.75,75,5.93,90,6.06,110,6.39,120,6.31,135,6.11,150,5.87,180,5.51
16,43.1,5.14954,52,5.61,60,5.82,75,6.06,90,6.19,110,6.61,120,6.62,135,6.41,150,6.13,180,5.83
20,44.3,5.155844,52,5.6,60,5.84,75,6.18,90,6.49,110,6.83,120,7.09,135,7.02,150,6.7,180,6.35

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.79	4.01	4.19	4.35	4.42	4.29	3.87	3.37
8	4.5	4.75	4.98	5.27	5.34	5.22	4.75	4.22
10	5.1	5.33	5.5	5.75	5.8	5.73	5.47	4.99
12	5.42	5.61	5.76	5.97	6.1	6.02	5.83	5.56
14	5.56	5.75	5.93	6.06	6.39	6.31	6.11	5.87
16	5.61	5.82	6.06	6.19	6.61	6.62	6.41	6.13
20	5.6	5.84	6.18	6.49	6.83	7.09	7.02	6.7

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	2.48	149.4°	2.91
8	42.1°	2.98	154.1°	3.67
10	42.5°	3.35	155.6°	4.34
12	42.9°	3.62	172.5°	4.99
14	42.9°	3.72	180°	5.51
16	43.1°	3.76	180°	5.83
20	44.3°	3.69	180°	6.35

Loading polar chart…