ERA ORA 2 — ORC Rating

GPH

635.4

OSN

614

LOA

11.71 m

Displacement

7378 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6188

Medium

0.8628

High

1.0058

Triple Offshore

Low

0.8023

Medium

1.0773

High

1.2218

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: 32.66 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
Stability index: 121.7

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.

6,43.8,4.516735,52,5.02,60,5.32,75,5.55,90,5.45,110,5.43,120,5.22,135,4.66,144.8,4.173066,150,3.94
8,41.8,5.392528,52,6.04,60,6.35,75,6.59,90,6.6,110,6.66,120,6.43,135,5.84,146.6,5.234487,150,5.04
10,41.2,6.140229,52,6.83,60,7.07,75,7.24,90,7.38,110,7.43,120,7.3,135,6.84,146.6,6.204723,150,5.98
12,39.9,6.595711,52,7.27,60,7.45,75,7.59,90,7.76,110,7.86,120,7.76,135,7.47,147.5,6.948138,150,6.77
14,38.8,6.749318,52,7.46,60,7.65,75,7.85,90,7.97,110,8.25,120,8.17,135,7.87,149.6,7.304232,150,7.28
16,38.2,6.807855,52,7.54,60,7.75,75,8.05,90,8.18,110,8.65,120,8.61,135,8.28,150,7.62,171.8,6.880343
20,39.3,6.939417,52,7.59,60,7.83,75,8.27,90,8.68,110,9.14,120,9.5,135,9.17,150,8.22,177.2,7.659144

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.02	5.32	5.55	5.45	5.43	5.22	4.66	3.94
8	6.04	6.35	6.59	6.6	6.66	6.43	5.84	5.04
10	6.83	7.07	7.24	7.38	7.43	7.3	6.84	5.98
12	7.27	7.45	7.59	7.76	7.86	7.76	7.47	6.77
14	7.46	7.65	7.85	7.97	8.25	8.17	7.87	7.28
16	7.54	7.75	8.05	8.18	8.65	8.61	8.28	7.62
20	7.59	7.83	8.27	8.68	9.14	9.5	9.17	8.22

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.8°	3.26	144.8°	3.41
8	41.8°	4.02	146.6°	4.37
10	41.2°	4.62	146.6°	5.18
12	39.9°	5.06	147.5°	5.86
14	38.8°	5.26	149.6°	6.3
16	38.2°	5.35	171.8°	6.81
20	39.3°	5.37	177.2°	7.65

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