ZEPHYR — ORC Rating | RegattaPages

GPH

683.6

OSN

662.3

LOA

10.4 m

Displacement

5406 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6621

Medium

0.9035

High

1.0573

Triple Offshore

Low

0.8516

Medium

1.1185

High

1.2648

Boat Specifications

Dimensions

Length overall: 10.4 m
Beam: 3.48 m
Draft: 1.79 m
Displacement: 5406 kg
Crew weight: 586 kg
Wetted surface: 24.17 m²

Sails

Mainsail: 27.85 m²
Genoa: 31.73 m²
Spinnaker: 73.07 m²
Asymmetric spinnaker: 0 m²

Design

Type: DUFOUR 35 Classic
Builder: DUFOUR SA
Designer: JAKOPIN J&J
Year built: 1995

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.

6,43.3,4.204609,52,4.67,60,4.93,75,5.14,90,5.1,110,5.13,120,5,135,4.57,147,4.018264,150,3.89
8,41.9,4.903861,52,5.5,60,5.79,75,6.05,90,6.08,110,6.22,120,6.07,135,5.58,150,4.9,151.2,4.8499
10,42.1,5.539264,52,6.19,60,6.45,75,6.64,90,6.78,110,6.87,120,6.79,135,6.46,150,5.77,152,5.674176
12,41.7,6.027016,52,6.6,60,6.79,75,6.95,90,7.1,110,7.23,120,7.17,135,6.95,150,6.52,156.8,6.22324
14,40.7,6.212619,52,6.8,60,6.98,75,7.16,90,7.27,110,7.54,120,7.5,135,7.27,150,6.96,175,6.364218
16,40.2,6.271308,52,6.89,60,7.09,75,7.33,90,7.44,110,7.85,120,7.85,135,7.6,150,7.26,180,6.82
20,40.5,6.286116,52,6.93,60,7.16,75,7.55,90,7.84,110,8.22,120,8.49,135,8.31,150,7.88,180,7.42

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.67	4.93	5.14	5.1	5.13	5	4.57	3.89
8	5.5	5.79	6.05	6.08	6.22	6.07	5.58	4.9
10	6.19	6.45	6.64	6.78	6.87	6.79	6.46	5.77
12	6.6	6.79	6.95	7.1	7.23	7.17	6.95	6.52
14	6.8	6.98	7.16	7.27	7.54	7.5	7.27	6.96
16	6.89	7.09	7.33	7.44	7.85	7.85	7.6	7.26
20	6.93	7.16	7.55	7.84	8.22	8.49	8.31	7.88

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.3°	3.06	147°	3.37
8	41.9°	3.65	151.2°	4.25
10	42.1°	4.11	152°	5.01
12	41.7°	4.5	156.8°	5.72
14	40.7°	4.71	175°	6.34
16	40.2°	4.79	180°	6.82
20	40.5°	4.78	180°	7.42

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