4PLAY — ORC Rating | RegattaPages

GPH

722.8

OSN

702.3

LOA

7.798 m

Displacement

1800 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5632

Medium

0.7671

High

0.8713

Triple Offshore

Low

0.7283

Medium

0.9354

High

1.0433

Boat Specifications

Dimensions

Length overall: 7.798 m
Beam: 2.52 m
Draft: 1.43 m
Displacement: 1800 kg
Crew weight: 340 kg
Wetted surface: 13.78 m²

Sails

Mainsail: 19.11 m²
Genoa: 14.71 m²
Spinnaker: 42.75 m²
Asymmetric spinnaker: 0 m²

Design

Type: Albin Express
Builder: Albin Marin
Designer: Peter Norlin
Year built: 1979

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.

6,43.5,4.039294,52,4.49,60,4.75,75,4.95,90,5.05,110,5.09,120,4.91,135,4.4,148,3.796954,150,3.71
8,42,4.736627,52,5.31,60,5.55,75,5.73,90,5.89,110,5.96,120,5.85,135,5.38,150,4.67,152,4.586909
10,40.9,5.278801,52,5.79,60,5.95,75,6.08,90,6.28,110,6.37,120,6.3,135,6.06,150,5.53,152.5,5.422707
12,39,5.507331,52,6.03,60,6.17,75,6.32,90,6.52,110,6.77,120,6.7,135,6.43,150,6.1,168,5.622873
14,38.4,5.5634,52,6.13,60,6.31,75,6.54,90,6.66,110,7.15,120,7.13,135,6.83,150,6.44,180,6.02
16,39,5.636007,52,6.17,60,6.37,75,6.71,90,6.9,110,7.41,120,7.56,135,7.27,150,6.82,180,6.36
20,39.8,5.674988,52,6.19,60,6.38,75,6.83,90,7.29,110,7.78,120,8.26,135,8.33,150,7.66,180,7.08

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.49	4.75	4.95	5.05	5.09	4.91	4.4	3.71
8	5.31	5.55	5.73	5.89	5.96	5.85	5.38	4.67
10	5.79	5.95	6.08	6.28	6.37	6.3	6.06	5.53
12	6.03	6.17	6.32	6.52	6.77	6.7	6.43	6.1
14	6.13	6.31	6.54	6.66	7.15	7.13	6.83	6.44
16	6.17	6.37	6.71	6.9	7.41	7.56	7.27	6.82
20	6.19	6.38	6.83	7.29	7.78	8.26	8.33	7.66

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	2.93	148°	3.22
8	42°	3.52	152°	4.05
10	40.9°	3.99	152.5°	4.81
12	39°	4.28	168°	5.5
14	38.4°	4.36	180°	6.02
16	39°	4.38	180°	6.36
20	39.8°	4.36	180°	7.08

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