NAUTILUS VI — ORC Rating

GPH

636.4

OSN

617.9

LOA

11.65 m

Displacement

6516 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7113

Medium

0.9695

High

1.1249

Triple Offshore

Low

0.9196

Medium

1.1996

High

1.3501

Boat Specifications

Dimensions

Length overall: 11.65 m
Beam: 3.85 m
Draft: 1.88 m
Displacement: 6516 kg
Crew weight: 560 kg
Wetted surface: 28.31 m²

Sails

Mainsail: 31.78 m²
Genoa: 45.32 m²
Spinnaker: 92.53 m²
Asymmetric spinnaker: 0 m²

Design

Type: DUFOUR 38 classic
Builder: DUFOUR SA
Designer: Chabaud/Poncin
Year built: 1997

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.

6,43.5,4.590733,52,5.12,60,5.44,75,5.71,90,5.65,110,5.46,120,5.32,135,4.85,145.7,4.32152,150,4.12
8,41.9,5.360658,52,6.05,60,6.38,75,6.64,90,6.63,110,6.63,120,6.48,135,5.95,150,5.184605
10,42,6.068804,52,6.73,60,6.98,75,7.16,90,7.19,110,7.31,120,7.23,135,6.86,150,6.11,151.4,6.036564
12,40.9,6.469508,52,7.1,60,7.28,75,7.45,90,7.53,110,7.69,120,7.64,135,7.39,150,6.9,155.4,6.631941
14,40.1,6.601986,52,7.27,60,7.46,75,7.67,90,7.75,110,8.04,120,8.01,135,7.75,150,7.38,171,6.732893
16,39.7,6.65454,52,7.34,60,7.56,75,7.85,90,7.98,110,8.38,120,8.4,135,8.13,150,7.72,180,7.19
20,41,6.770816,52,7.37,60,7.61,75,8.06,90,8.42,110,8.78,120,9.12,135,8.94,150,8.43,180,7.87

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.12	5.44	5.71	5.65	5.46	5.32	4.85	4.12
8	6.05	6.38	6.64	6.63	6.63	6.48	5.95	5.19
10	6.73	6.98	7.16	7.19	7.31	7.23	6.86	6.11
12	7.1	7.28	7.45	7.53	7.69	7.64	7.39	6.9
14	7.27	7.46	7.67	7.75	8.04	8.01	7.75	7.38
16	7.34	7.56	7.85	7.98	8.38	8.4	8.13	7.72
20	7.37	7.61	8.06	8.42	8.78	9.12	8.94	8.43

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.33	145.7°	3.57
8	41.9°	3.99	150°	4.49
10	42°	4.51	151.4°	5.3
12	40.9°	4.89	155.4°	6.03
14	40.1°	5.05	171°	6.65
16	39.7°	5.12	180°	7.19
20	41°	5.11	180°	7.87

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