4D — ORC Rating | RegattaPages

GPH

560

OSN

544

LOA

11.99 m

Displacement

6140 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.739

Medium

0.9795

High

1.1

Triple Offshore

Low

0.9473

Medium

1.2049

High

1.3387

Boat Specifications

Dimensions

Length overall: 11.99 m
Beam: 3.76 m
Draft: 2.38 m
Displacement: 6140 kg
Crew weight: 841 kg
Wetted surface: 31.66 m²

Sails

Mainsail: 49.13 m²
Genoa: 39.77 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 154.8 m²

Design

Type: A 40
Builder: ARCHAMBAULT
Designer: JOUBERT-NIVELT
Year built: 2003
Stability index: 112.7

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.

6,42,5.288337,52,5.93,60,6.22,75,6.41,90,6.3,110,6.42,120,6.27,135,5.6,143,5.121235,150,4.72
8,40,6.239847,52,6.99,60,7.23,75,7.38,90,7.4,110,7.61,120,7.52,135,6.98,146,6.224085,150,5.96
10,38.2,6.731506,52,7.55,60,7.76,75,7.91,90,7.89,110,8.22,120,8.21,135,7.87,148.7,7.127318,150,7.03
12,37.5,6.945203,52,7.77,60,8,75,8.25,90,8.29,110,8.62,120,8.77,135,8.48,150,7.8,150.5,7.766939
14,37,7.049524,52,7.89,60,8.13,75,8.49,90,8.67,110,8.94,120,9.27,135,9.11,149.2,8.347305,150,8.28
16,36.9,7.12781,52,7.96,60,8.22,75,8.64,90,8.98,110,9.22,120,9.64,135,9.77,147.3,9.019492,150,8.77
20,37,7.187259,52,8.04,60,8.31,75,8.82,90,9.37,110,9.75,120,10.36,135,11.35,143.7,10.745373,150,10

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.93	6.22	6.41	6.3	6.42	6.27	5.6	4.72
8	6.99	7.23	7.38	7.4	7.61	7.52	6.98	5.96
10	7.55	7.76	7.91	7.89	8.22	8.21	7.87	7.03
12	7.77	8	8.25	8.29	8.62	8.77	8.48	7.8
14	7.89	8.13	8.49	8.67	8.94	9.27	9.11	8.28
16	7.96	8.22	8.64	8.98	9.22	9.64	9.77	8.77
20	8.04	8.31	8.82	9.37	9.75	10.36	11.35	10

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.93	143°	4.09
8	40°	4.78	146°	5.16
10	38.2°	5.29	148.7°	6.09
12	37.5°	5.51	150.5°	6.76
14	37°	5.63	149.2°	7.17
16	36.9°	5.7	147.3°	7.59
20	37°	5.74	143.7°	8.66

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