ERA ORA 2 — ORC Rating

GPH

636.9

OSN

616.4

LOA

11.71 m

Displacement

7378 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6176

Medium

0.8584

High

1.0028

Triple Offshore

Low

0.8023

Medium

1.0736

High

1.2163

Boat Specifications

Dimensions

Length overall: 11.71 m
Beam: 3.94 m
Draft: 2.42 m
Displacement: 7378 kg
Crew weight: 630 kg
Wetted surface: 32.9 m²

Sails

Mainsail: 43.76 m²
Genoa: 41.99 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 89.72 m²

Design

Type: Sun Fast 40
Builder: Jeanneau
Designer: Andrieu
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.

6,43.5,4.535589,52,5.05,60,5.35,75,5.59,90,5.51,110,5.44,120,5.22,135,4.63,145,4.126218,150,3.9
8,41.2,5.356087,52,6.06,60,6.36,75,6.62,90,6.6,110,6.65,120,6.41,135,5.79,147,5.151009,150,4.99
10,40.9,6.112296,52,6.84,60,7.08,75,7.26,90,7.37,110,7.41,120,7.27,135,6.77,147,6.1049,150,5.91
12,39.8,6.573094,52,7.26,60,7.45,75,7.6,90,7.75,110,7.83,120,7.73,135,7.42,147.5,6.86514,150,6.69
14,38.8,6.723656,52,7.46,60,7.65,75,7.85,90,7.96,110,8.21,120,8.12,135,7.82,150,7.216878
16,38.2,6.782405,52,7.53,60,7.74,75,8.04,90,8.17,110,8.6,120,8.54,135,8.2,150,7.58,175.5,6.841089
20,38.8,6.826307,52,7.57,60,7.81,75,8.25,90,8.65,110,9.09,120,9.39,135,9.05,150,8.17,178,7.664669

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.05	5.35	5.59	5.51	5.44	5.22	4.63	3.9
8	6.06	6.36	6.62	6.6	6.65	6.41	5.79	4.99
10	6.84	7.08	7.26	7.37	7.41	7.27	6.77	5.91
12	7.26	7.45	7.6	7.75	7.83	7.73	7.42	6.69
14	7.46	7.65	7.85	7.96	8.21	8.12	7.82	7.22
16	7.53	7.74	8.04	8.17	8.6	8.54	8.2	7.58
20	7.57	7.81	8.25	8.65	9.09	9.39	9.05	8.17

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.29	145°	3.38
8	41.2°	4.03	147°	4.32
10	40.9°	4.62	147°	5.12
12	39.8°	5.05	147.5°	5.79
14	38.8°	5.24	150°	6.25
16	38.2°	5.33	175.5°	6.82
20	38.8°	5.32	178°	7.66

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