RAYO 4 — ORC Rating | RegattaPages

GPH

550

OSN

536.2

LOA

12.47 m

Displacement

5441 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8389

Medium

1.1147

High

1.2777

Triple Offshore

Low

1.0872

Medium

1.3767

High

1.5456

Boat Specifications

Dimensions

Length overall: 12.47 m
Beam: 3.73 m
Draft: 2.72 m
Displacement: 5441 kg
Crew weight: 757 kg
Wetted surface: 30.38 m²

Sails

Mainsail: 58.25 m²
Genoa: 48.79 m²
Spinnaker: 100.36 m²
Asymmetric spinnaker: 0 m²

Design

Type: SIDNEY 40
Builder: BASHFORD INT.
Designer: MURRAY/BURNS/DOVEL
Year built: 1998

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.

6,42,5.651657,52,6.37,60,6.72,75,6.99,90,6.91,110,6.3,120,6.07,135,5.39,141.7,4.969569,150,4.51
8,40.7,6.700659,52,7.46,60,7.69,75,7.83,90,7.79,110,7.58,120,7.41,135,6.73,145.8,5.948634,150,5.68
10,39,7.077178,52,7.8,60,8.02,75,8.26,90,8.28,110,8.24,120,8.1,135,7.68,148.9,6.843659,150,6.77
12,37.7,7.191394,52,7.95,60,8.18,75,8.56,90,8.75,110,8.83,120,8.72,135,8.24,150,7.64,155.3,7.352713
14,37.1,7.271962,52,8.03,60,8.28,75,8.74,90,9.13,110,9.24,120,9.39,135,8.83,150,8.17,169.3,7.46988
16,36.7,7.308778,52,8.07,60,8.35,75,8.85,90,9.37,110,9.62,120,10.03,135,9.49,150,8.71,180,7.92
20,36.7,7.421029,52,8.22,60,8.54,75,9,90,9.64,110,10.39,120,10.87,135,11.23,150,9.99,180,8.94

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.37	6.72	6.99	6.91	6.3	6.07	5.39	4.51
8	7.46	7.69	7.83	7.79	7.58	7.41	6.73	5.68
10	7.8	8.02	8.26	8.28	8.24	8.1	7.68	6.77
12	7.95	8.18	8.56	8.75	8.83	8.72	8.24	7.64
14	8.03	8.28	8.74	9.13	9.24	9.39	8.83	8.17
16	8.07	8.35	8.85	9.37	9.62	10.03	9.49	8.71
20	8.22	8.54	9	9.64	10.39	10.87	11.23	9.99

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	4.2	141.7°	3.9
8	40.7°	5.08	145.8°	4.92
10	39°	5.5	148.9°	5.86
12	37.7°	5.69	155.3°	6.68
14	37.1°	5.8	169.3°	7.34
16	36.7°	5.86	180°	7.92
20	36.7°	5.95	180°	8.94

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