THYRA — ORC Rating | RegattaPages

GPH

670.6

OSN

649.2

LOA

10.3 m

Displacement

5672 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6713

Medium

0.9228

High

1.0781

Triple Offshore

Low

0.8666

Medium

1.1425

High

1.2862

Boat Specifications

Dimensions

Length overall: 10.3 m
Beam: 3.48 m
Draft: 1.97 m
Displacement: 5672 kg
Crew weight: 170 kg
Wetted surface: 25.95 m²

Sails

Mainsail: 31.17 m²
Genoa: 25.35 m²
Spinnaker: 72.72 m²
Asymmetric spinnaker: 71.16 m²

Design

Type: DUFOUR 34
Builder: DUFOUR
Designer: Felci Yachts
Year built: 2002

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.

6,42.8,4.211359,52,4.71,60,4.97,75,5.17,90,5.28,110,5.31,120,5.13,135,4.62,146.1,4.084277,150,3.91
8,41,4.982049,52,5.6,60,5.88,75,6.1,90,6.34,110,6.42,120,6.22,135,5.67,150,4.95,150.4,4.933899
10,40.6,5.597472,52,6.31,60,6.56,75,6.76,90,6.98,110,7.05,120,6.95,135,6.56,150,5.85,152.1,5.736815
12,40.3,6.057679,52,6.73,60,6.93,75,7.09,90,7.24,110,7.4,120,7.33,135,7.09,150,6.62,156.2,6.328148
14,39.8,6.247694,52,6.92,60,7.11,75,7.29,90,7.35,110,7.69,120,7.65,135,7.42,150,7.09,174.4,6.450787
16,39.4,6.302302,52,6.99,60,7.2,75,7.44,90,7.54,110,7.92,120,7.98,135,7.75,150,7.4,180,6.94
20,39.3,6.344979,52,7.02,60,7.24,75,7.59,90,7.9,110,8.23,120,8.57,135,8.49,150,8.05,180,7.57

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.71	4.97	5.17	5.28	5.31	5.13	4.62	3.91
8	5.6	5.88	6.1	6.34	6.42	6.22	5.67	4.95
10	6.31	6.56	6.76	6.98	7.05	6.95	6.56	5.85
12	6.73	6.93	7.09	7.24	7.4	7.33	7.09	6.62
14	6.92	7.11	7.29	7.35	7.69	7.65	7.42	7.09
16	6.99	7.2	7.44	7.54	7.92	7.98	7.75	7.4
20	7.02	7.24	7.59	7.9	8.23	8.57	8.49	8.05

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.09	146.1°	3.39
8	41°	3.76	150.4°	4.29
10	40.6°	4.25	152.1°	5.07
12	40.3°	4.62	156.2°	5.79
14	39.8°	4.8	174.4°	6.42
16	39.4°	4.87	180°	6.94
20	39.3°	4.91	180°	7.57

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