Hera — ORC Rating | RegattaPages

GPH

602.9

OSN

585.5

LOA

12.06 m

Displacement

7558 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7512

Medium

1.0263

High

1.1844

Triple Offshore

Low

0.971

Medium

1.2674

High

1.4198

Boat Specifications

Dimensions

Length overall: 12.06 m
Beam: 3.89 m
Draft: 2.07 m
Displacement: 7558 kg
Crew weight: 755 kg
Wetted surface: 31.89 m²

Sails

Mainsail: 48.18 m²
Genoa: 43.4 m²
Spinnaker: 106.6 m²
Asymmetric spinnaker: 0 m²

Design

Type: Dufour 40 Performa
Builder: Dufour Yachts
Designer: Umberto Felci
Year built: 2001

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.

6,43.1,4.861933,52,5.42,60,5.73,75,5.98,90,5.92,110,5.76,120,5.61,135,5.08,144.8,4.540198,150,4.28
8,41.7,5.745755,52,6.46,60,6.79,75,7.02,90,6.98,110,7.01,120,6.84,135,6.26,149.3,5.431166,150,5.4
10,41.3,6.482407,52,7.18,60,7.4,75,7.56,90,7.58,110,7.69,120,7.59,135,7.22,150,6.4,150.3,6.377848
12,40.1,6.798084,52,7.49,60,7.68,75,7.86,90,7.89,110,8.1,120,8.03,135,7.75,150,7.24,155.3,6.956459
14,39.3,6.900649,52,7.61,60,7.82,75,8.08,90,8.17,110,8.47,120,8.45,135,8.14,150,7.73,169.4,7.091006
16,39.4,6.988178,52,7.67,60,7.89,75,8.24,90,8.44,110,8.75,120,8.89,135,8.57,150,8.1,180,7.53
20,39.5,7.011181,52,7.69,60,7.93,75,8.38,90,8.86,110,9.16,120,9.56,135,9.5,150,8.91,180,8.27

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.42	5.73	5.98	5.92	5.76	5.61	5.08	4.28
8	6.46	6.79	7.02	6.98	7.01	6.84	6.26	5.4
10	7.18	7.4	7.56	7.58	7.69	7.59	7.22	6.4
12	7.49	7.68	7.86	7.89	8.1	8.03	7.75	7.24
14	7.61	7.82	8.08	8.17	8.47	8.45	8.14	7.73
16	7.67	7.89	8.24	8.44	8.75	8.89	8.57	8.1
20	7.69	7.93	8.38	8.86	9.16	9.56	9.5	8.91

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.55	144.8°	3.71
8	41.7°	4.29	149.3°	4.67
10	41.3°	4.87	150.3°	5.54
12	40.1°	5.2	155.3°	6.32
14	39.3°	5.34	169.4°	6.97
16	39.4°	5.4	180°	7.53
20	39.5°	5.41	180°	8.27

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