ORION — ORC Rating | RegattaPages

GPH

737.8

OSN

715.2

LOA

9.19 m

Displacement

4430 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.615

Medium

0.8382

High

0.9833

Triple Offshore

Low

0.7906

Medium

1.0356

High

1.1699

Boat Specifications

Dimensions

Length overall: 9.19 m
Beam: 3.16 m
Draft: 1.75 m
Displacement: 4430 kg
Crew weight: 300 kg
Wetted surface: 20.87 m²

Sails

Mainsail: 18.63 m²
Genoa: 26.4 m²
Spinnaker: 64.19 m²
Asymmetric spinnaker: 0 m²

Design

Type: DUFOUR 3800
Builder: DUFOUR SA
Designer: M.DUFOUR
Year built: 1978

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.

6,43.9,3.899793,52,4.31,60,4.56,75,4.74,90,4.7,110,4.82,120,4.68,135,4.28,147.7,3.762148,150,3.67
8,41.8,4.507187,52,5.05,60,5.32,75,5.55,90,5.66,110,5.82,120,5.7,135,5.22,150,4.6,151.8,4.527385
10,41.3,5.018208,52,5.67,60,5.92,75,6.1,90,6.27,110,6.38,120,6.32,135,6.05,150,5.42,152,5.323079
12,41.7,5.518068,52,6.06,60,6.24,75,6.38,90,6.56,110,6.7,120,6.66,135,6.47,150,6.11,158.5,5.78235
14,40.6,5.729177,52,6.26,60,6.42,75,6.57,90,6.67,110,6.97,120,6.96,135,6.77,150,6.48,180,5.97
16,40.1,5.804518,52,6.36,60,6.54,75,6.73,90,6.8,110,7.22,120,7.26,135,7.07,150,6.75,180,6.37
20,40.3,5.821666,52,6.4,60,6.61,75,6.95,90,7.14,110,7.47,120,7.74,135,7.67,150,7.32,180,6.91

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.31	4.56	4.74	4.7	4.82	4.68	4.28	3.67
8	5.05	5.32	5.55	5.66	5.82	5.7	5.22	4.6
10	5.67	5.92	6.1	6.27	6.38	6.32	6.05	5.42
12	6.06	6.24	6.38	6.56	6.7	6.66	6.47	6.11
14	6.26	6.42	6.57	6.67	6.97	6.96	6.77	6.48
16	6.36	6.54	6.73	6.8	7.22	7.26	7.07	6.75
20	6.4	6.61	6.95	7.14	7.47	7.74	7.67	7.32

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.9°	2.81	147.7°	3.18
8	41.8°	3.36	151.8°	3.99
10	41.3°	3.77	152°	4.7
12	41.7°	4.12	158.5°	5.38
14	40.6°	4.35	180°	5.97
16	40.1°	4.44	180°	6.37
20	40.3°	4.44	180°	6.91

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