ORC Rating | RegattaPages

GPH

789.7

OSN

767.6

LOA

5.535 m

Displacement

500 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5297

Medium

0.6985

High

0.7653

Triple Offshore

Low

0.6746

Medium

0.8507

High

0.9543

Boat Specifications

Dimensions

Length overall: 5.535 m
Beam: 2.38 m
Draft: 1.04 m
Displacement: 500 kg
Crew weight: 230 kg
Wetted surface: 7.82 m²

Sails

Mainsail: 11.88 m²
Genoa: 7.76 m²
Spinnaker: 16.21 m²
Asymmetric spinnaker: 0 m²

Design

Type: A 55 Microcup
Builder: NORSEIL
Designer: Eivind Amble
Year built: 1982

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.

6,42,3.767772,52,4.22,60,4.44,75,4.61,90,4.63,110,4.6,120,4.44,135,3.98,150,3.45,150.5,3.435377
8,41.1,4.405734,52,4.89,60,5.04,75,5.16,90,5.28,110,5.26,120,5.17,135,4.85,150,4.34,155,4.170769
10,40.1,4.771732,52,5.21,60,5.36,75,5.5,90,5.73,110,5.72,120,5.6,135,5.32,150,5.02,168,4.590309
12,39,4.915422,52,5.43,60,5.64,75,5.84,90,6.18,110,6.2,120,6.04,135,5.74,150,5.42,180,5.07
14,39.8,4.959107,52,5.5,60,5.79,75,6.17,90,6.46,110,6.77,120,6.53,135,6.18,150,5.82,180,5.43
16,41.1,4.976356,52,5.49,60,5.82,75,6.34,90,6.73,110,7.55,120,7.19,135,6.69,150,6.24,180,5.82
20,43.9,5.037811,52,5.45,60,5.78,75,6.41,90,7.25,110,8.8,120,9.91,135,8.48,150,7.34,180,6.67

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.22	4.44	4.61	4.63	4.6	4.44	3.98	3.45
8	4.89	5.04	5.16	5.28	5.26	5.17	4.85	4.34
10	5.21	5.36	5.5	5.73	5.72	5.6	5.32	5.02
12	5.43	5.64	5.84	6.18	6.2	6.04	5.74	5.42
14	5.5	5.79	6.17	6.46	6.77	6.53	6.18	5.82
16	5.49	5.82	6.34	6.73	7.55	7.19	6.69	6.24
20	5.45	5.78	6.41	7.25	8.8	9.91	8.48	7.34

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	2.8	150.5°	2.99
8	41.1°	3.32	155°	3.78
10	40.1°	3.65	168°	4.49
12	39°	3.82	180°	5.07
14	39.8°	3.81	180°	5.43
16	41.1°	3.75	180°	5.82
20	43.9°	3.63	180°	6.67

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