MEFI — ORC Rating | RegattaPages

GPH

570.6

OSN

552.8

LOA

11.99 m

Displacement

6137 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7052

Medium

0.9678

High

1.1138

Triple Offshore

Low

0.9114

Medium

1.1906

High

1.3434

Boat Specifications

Dimensions

Length overall: 11.99 m
Beam: 3.76 m
Draft: 2.38 m
Displacement: 6137 kg
Crew weight: 853 kg
Wetted surface: 31.67 m²

Sails

Mainsail: 45.2 m²
Genoa: 36.23 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 135.4 m²

Design

Type: A-40
Builder: ARCHAMBAULT
Designer: NIVELT Bernard
Year built: 2003
Stability index: 111.2

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.

6,43.2,4.993356,52,5.58,60,5.9,75,6.14,90,6.15,110,6.26,120,6.11,135,5.49,141.4,5.131024,150,4.63
8,41.4,5.959117,52,6.69,60,7.01,75,7.23,90,7.41,110,7.55,120,7.44,135,6.86,146,6.091401,150,5.84
10,40.6,6.743308,52,7.45,60,7.65,75,7.79,90,7.91,110,8.16,120,8.1,135,7.78,148.2,7.071481,150,6.94
12,38.8,7.018778,52,7.76,60,7.95,75,8.13,90,8.17,110,8.64,120,8.67,135,8.32,150,7.75,155,7.480902
14,38.1,7.116217,52,7.86,60,8.08,75,8.41,90,8.54,110,8.98,120,9.28,135,8.95,150,8.23,163.7,7.678641
16,37.8,7.163151,52,7.92,60,8.16,75,8.6,90,8.93,110,9.3,120,9.76,135,9.67,150,8.77,175.4,7.915497
20,37.6,7.333177,52,8.05,60,8.28,75,8.78,90,9.48,110,9.91,120,10.59,135,11.45,150,10.12,170,8.986526

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.58	5.9	6.14	6.15	6.26	6.11	5.49	4.63
8	6.69	7.01	7.23	7.41	7.55	7.44	6.86	5.84
10	7.45	7.65	7.79	7.91	8.16	8.1	7.78	6.94
12	7.76	7.95	8.13	8.17	8.64	8.67	8.32	7.75
14	7.86	8.08	8.41	8.54	8.98	9.28	8.95	8.23
16	7.92	8.16	8.6	8.93	9.3	9.76	9.67	8.77
20	8.05	8.28	8.78	9.48	9.91	10.59	11.45	10.12

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.64	141.4°	4.01
8	41.4°	4.47	146°	5.05
10	40.6°	5.12	148.2°	6.01
12	38.8°	5.47	155°	6.78
14	38.1°	5.6	163.7°	7.37
16	37.8°	5.66	175.4°	7.89
20	37.6°	5.81	170°	8.85

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