MEFI — ORC Rating | RegattaPages

GPH

569.4

OSN

552.9

LOA

11.99 m

Displacement

6497 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.799

Medium

1.0884

High

1.2524

Triple Offshore

Low

1.0339

Medium

1.3383

High

1.5066

Boat Specifications

Dimensions

Length overall: 11.99 m
Beam: 3.76 m
Draft: 2.4 m
Displacement: 6497 kg
Crew weight: 863 kg
Wetted surface: 32.41 m²

Sails

Mainsail: 46.83 m²
Genoa: 44.13 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 135.4 m²

Design

Type: A-40 (Int Ballast)
Builder: ARCHAMBAULT
Designer: NIVELT Bernard
Year built: 2003

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.

6,42.8,5.097244,52,5.72,60,6.06,75,6.35,90,6.28,110,6.25,120,6.09,135,5.46,143.3,4.95151,150,4.59
8,41,6.028809,52,6.82,60,7.13,75,7.36,90,7.39,110,7.51,120,7.38,135,6.77,146.6,5.989115,150,5.77
10,39.9,6.765167,52,7.5,60,7.7,75,7.85,90,7.91,110,8.11,120,8.03,135,7.69,148.1,6.961363,150,6.82
12,38.2,6.99873,52,7.77,60,7.96,75,8.17,90,8.22,110,8.57,120,8.55,135,8.2,150,7.66,155.1,7.386632
14,37.5,7.109064,52,7.87,60,8.09,75,8.42,90,8.58,110,8.93,120,9.14,135,8.74,150,8.14,165.3,7.547031
16,37.2,7.168595,52,7.93,60,8.17,75,8.59,90,8.93,110,9.22,120,9.67,135,9.39,150,8.62,180,7.85
20,37,7.274908,52,8.01,60,8.23,75,8.75,90,9.43,110,9.8,120,10.39,135,10.99,150,9.85,180,8.76

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.72	6.06	6.35	6.28	6.25	6.09	5.46	4.59
8	6.82	7.13	7.36	7.39	7.51	7.38	6.77	5.77
10	7.5	7.7	7.85	7.91	8.11	8.03	7.69	6.82
12	7.77	7.96	8.17	8.22	8.57	8.55	8.2	7.66
14	7.87	8.09	8.42	8.58	8.93	9.14	8.74	8.14
16	7.93	8.17	8.59	8.93	9.22	9.67	9.39	8.62
20	8.01	8.23	8.75	9.43	9.8	10.39	10.99	9.85

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.74	143.3°	3.97
8	41°	4.55	146.6°	5
10	39.9°	5.19	148.1°	5.91
12	38.2°	5.5	155.1°	6.7
14	37.5°	5.64	165.3°	7.3
16	37.2°	5.71	180°	7.85
20	37°	5.81	180°	8.76

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