The three Cs — ORC Rating

GPH

786.8

OSN

760.9

LOA

7.35 m

Displacement

2195 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.517

Medium

0.7073

High

0.8141

Triple Offshore

Low

0.6633

Medium

0.8632

High

0.9627

Boat Specifications

Dimensions

Length overall: 7.35 m
Beam: 2.63 m
Draft: 1.31 m
Displacement: 2195 kg
Crew weight: 367 kg
Wetted surface: 13.77 m²

Sails

Mainsail: 15.04 m²
Genoa: 15.85 m²
Spinnaker: 31.78 m²
Asymmetric spinnaker: 0 m²

Design

Type: DUFOUR 1800
Builder: Dufour Yachts
Designer: CORDELLE LAURENT
Year built: 1979
Stability index: 113.9

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.

6,43.9,3.733254,52,4.13,60,4.35,75,4.48,90,4.46,110,4.51,120,4.37,135,3.91,148.4,3.428329,150,3.37
8,42.3,4.394082,52,4.89,60,5.11,75,5.23,90,5.35,110,5.4,120,5.27,135,4.82,150,4.3,152.9,4.190009
10,41.5,4.886804,52,5.39,60,5.55,75,5.68,90,5.83,110,5.88,120,5.8,135,5.51,150,5.06,156.8,4.808867
12,39.9,5.148826,52,5.65,60,5.79,75,5.92,90,6.09,110,6.19,120,6.11,135,5.91,150,5.61,166.7,5.168628
14,39,5.275714,52,5.8,60,5.94,75,6.09,90,6.27,110,6.44,120,6.38,135,6.2,150,5.96,177.2,5.546622
16,38.8,5.325033,52,5.87,60,6.04,75,6.23,90,6.38,110,6.67,120,6.64,135,6.47,150,6.22,179,5.890897
20,39.4,5.357603,52,5.91,60,6.1,75,6.41,90,6.59,110,7.06,120,7.2,135,7.05,150,6.73,179,6.390973

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.13	4.35	4.48	4.46	4.51	4.37	3.91	3.37
8	4.89	5.11	5.23	5.35	5.4	5.27	4.82	4.3
10	5.39	5.55	5.68	5.83	5.88	5.8	5.51	5.06
12	5.65	5.79	5.92	6.09	6.19	6.11	5.91	5.61
14	5.8	5.94	6.09	6.27	6.44	6.38	6.2	5.96
16	5.87	6.04	6.23	6.38	6.67	6.64	6.47	6.22
20	5.91	6.1	6.41	6.59	7.06	7.2	7.05	6.73

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.9°	2.69	148.4°	2.92
8	42.3°	3.25	152.9°	3.73
10	41.5°	3.66	156.8°	4.42
12	39.9°	3.95	166.7°	5.03
14	39°	4.1	177.2°	5.54
16	38.8°	4.15	179°	5.89
20	39.4°	4.14	179°	6.39

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