Happy Ours — ORC Rating

GPH

691.6

OSN

671.7

LOA

9.896 m

Displacement

4400 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5781

Medium

0.7956

High

0.9234

Triple Offshore

Low

0.7512

Medium

0.9827

High

1.102

Boat Specifications

Dimensions

Length overall: 9.896 m
Beam: 3.16 m
Draft: 1.71 m
Displacement: 4400 kg
Crew weight: 400 kg
Wetted surface: 22.18 m²

Sails

Mainsail: 31.04 m²
Genoa: 19.9 m²
Spinnaker: 62.91 m²
Asymmetric spinnaker: 0 m²

Design

Type: albin nova
Builder: Albin Marin
Designer: Peter Norlin
Year built: 1984

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.

6,43.5,4.135795,52,4.61,60,4.88,75,5.08,90,5.21,110,5.25,120,5.08,135,4.57,147,3.922875,150,3.8
8,41.6,4.840879,52,5.45,60,5.74,75,5.99,90,6.22,110,6.3,120,6.16,135,5.56,150,4.81,152,4.722817
10,41.2,5.435831,52,6.1,60,6.33,75,6.51,90,6.73,110,6.81,120,6.74,135,6.43,150,5.727315
12,40.9,5.860924,52,6.45,60,6.63,75,6.78,90,6.97,110,7.14,120,7.08,135,6.85,150,6.47,159,6.126949
14,40.3,6.031455,52,6.62,60,6.79,75,6.98,90,7.09,110,7.47,120,7.42,135,7.18,150,6.85,180,6.34
16,39.8,6.065469,52,6.68,60,6.88,75,7.13,90,7.25,110,7.72,120,7.78,135,7.53,150,7.16,180,6.76
20,40.1,6.092129,52,6.71,60,6.93,75,7.32,90,7.63,110,8.02,120,8.34,135,8.29,150,7.85,180,7.37

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.61	4.88	5.08	5.21	5.25	5.08	4.57	3.8
8	5.45	5.74	5.99	6.22	6.3	6.16	5.56	4.81
10	6.1	6.33	6.51	6.73	6.81	6.74	6.43	5.73
12	6.45	6.63	6.78	6.97	7.14	7.08	6.85	6.47
14	6.62	6.79	6.98	7.09	7.47	7.42	7.18	6.85
16	6.68	6.88	7.13	7.25	7.72	7.78	7.53	7.16
20	6.71	6.93	7.32	7.63	8.02	8.34	8.29	7.85

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3	147°	3.29
8	41.6°	3.62	152°	4.17
10	41.2°	4.09	150°	4.96
12	40.9°	4.43	159°	5.72
14	40.3°	4.6	180°	6.34
16	39.8°	4.66	180°	6.76
20	40.1°	4.66	180°	7.37

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