TIRITIRI — ORC Rating

GPH

862.4

OSN

836.8

LOA

6.15 m

Displacement

800 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5225

Medium

0.7183

High

0.844

Triple Offshore

Low

0.6788

Medium

0.8823

High

1.0147

Boat Specifications

Dimensions

Length overall: 6.15 m
Beam: 2.4 m
Draft: 1.3 m
Displacement: 800 kg
Crew weight: 400 kg
Wetted surface: 9.14 m²

Sails

Mainsail: 9.36 m²
Genoa: 8.16 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 0 m²

Design

Type: DUFOUR T6
Builder: CADEI
Designer: DUFOUR-CORDELLE
Year built: 1982

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.

6,43.9,3.455688,52,3.85,60,4.11,75,4.36,90,4.29,110,4.07,120,3.86,135,3.45,150,2.95,151.4,2.904384
8,43.1,4.067589,52,4.56,60,4.83,75,5,90,4.96,110,4.87,120,4.67,135,4.25,150,3.75,155.7,3.587874
10,43.3,4.589345,52,5,60,5.18,75,5.29,90,5.3,110,5.27,120,5.17,135,4.89,150,4.42,177.8,3.902877
12,41.5,4.806693,52,5.24,60,5.4,75,5.51,90,5.61,110,5.55,120,5.46,135,5.25,150,4.97,178.2,4.482212
14,40.3,4.969395,52,5.43,60,5.61,75,5.76,90,5.94,110,5.86,120,5.75,135,5.52,150,5.29,179.1,4.970613
16,39.2,5.058427,52,5.6,60,5.83,75,6.01,90,6.27,110,6.17,120,6.06,135,5.8,150,5.54,179.5,5.270201
20,40.5,5.115688,52,5.67,60,6,75,6.42,90,6.89,110,6.82,120,6.68,135,6.37,150,6.08,179.4,5.770316

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.85	4.11	4.36	4.29	4.07	3.86	3.45	2.95
8	4.56	4.83	5	4.96	4.87	4.67	4.25	3.75
10	5	5.18	5.29	5.3	5.27	5.17	4.89	4.42
12	5.24	5.4	5.51	5.61	5.55	5.46	5.25	4.97
14	5.43	5.61	5.76	5.94	5.86	5.75	5.52	5.29
16	5.6	5.83	6.01	6.27	6.17	6.06	5.8	5.54
20	5.67	6	6.42	6.89	6.82	6.68	6.37	6.08

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.9°	2.49	151.4°	2.55
8	43.1°	2.97	155.7°	3.27
10	43.3°	3.34	177.8°	3.9
12	41.5°	3.6	178.2°	4.48
14	40.3°	3.79	179.1°	4.97
16	39.2°	3.92	179.5°	5.27
20	40.5°	3.89	179.4°	5.77

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