Expreso — ORC Rating | RegattaPages

GPH

718.9

OSN

701.4

LOA

7.798 m

Displacement

1780 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6453

Medium

0.8567

High

0.9644

Triple Offshore

Low

0.8331

Medium

1.0539

High

1.1669

Boat Specifications

Dimensions

Length overall: 7.798 m
Beam: 2.52 m
Draft: 1.43 m
Displacement: 1780 kg
Crew weight: 397 kg
Wetted surface: 13.82 m²

Sails

Mainsail: 19.07 m²
Genoa: 14.41 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 48.58 m²

Design

Type: Mod. EXPRESS
Builder: Albin
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.

6,43.4,4.046384,52,4.5,60,4.76,75,4.95,90,5.19,110,5.23,120,5.03,135,4.52,146.6,4.012707,150,3.87
8,42.5,4.787886,52,5.33,60,5.58,75,5.74,90,5.99,110,6.04,120,5.94,135,5.54,147.7,4.933383,150,4.81
10,41,5.286802,52,5.8,60,5.96,75,6.09,90,6.36,110,6.45,120,6.37,135,6.12,148.8,5.670099,150,5.6
12,38.9,5.499567,52,6.04,60,6.18,75,6.32,90,6.59,110,6.87,120,6.8,135,6.5,150,6.03,151.9,5.951525
14,38.5,5.571115,52,6.14,60,6.32,75,6.54,90,6.72,110,7.25,120,7.26,135,6.93,150,6.33,176.8,5.789026
16,39,5.636007,52,6.17,60,6.37,75,6.72,90,6.9,110,7.5,120,7.71,135,7.39,150,6.62,178.1,6.153383
20,39.8,5.674988,52,6.19,60,6.38,75,6.84,90,7.3,110,7.85,120,8.47,135,8.59,150,7.44,177.6,6.755926

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.5	4.76	4.95	5.19	5.23	5.03	4.52	3.87
8	5.33	5.58	5.74	5.99	6.04	5.94	5.54	4.81
10	5.8	5.96	6.09	6.36	6.45	6.37	6.12	5.6
12	6.04	6.18	6.32	6.59	6.87	6.8	6.5	6.03
14	6.14	6.32	6.54	6.72	7.25	7.26	6.93	6.33
16	6.17	6.37	6.72	6.9	7.5	7.71	7.39	6.62
20	6.19	6.38	6.84	7.3	7.85	8.47	8.59	7.44

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.4°	2.94	146.6°	3.35
8	42.5°	3.53	147.7°	4.17
10	41°	3.99	148.8°	4.85
12	38.9°	4.28	151.9°	5.25
14	38.5°	4.36	176.8°	5.78
16	39°	4.38	178.1°	6.15
20	39.8°	4.36	177.6°	6.75

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