DAIRA — ORC Rating | RegattaPages

GPH

738.3

OSN

711.4

LOA

8.57 m

Displacement

2325 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5304

Medium

0.7493

High

0.8739

Triple Offshore

Low

0.6891

Medium

0.928

High

1.0548

Boat Specifications

Dimensions

Length overall: 8.57 m
Beam: 2.79 m
Draft: 1.43 m
Displacement: 2325 kg
Crew weight: 480 kg
Wetted surface: 16.91 m²

Sails

Mainsail: 17.75 m²
Genoa: 21.99 m²
Spinnaker: 53.89 m²
Asymmetric spinnaker: 0 m²

Design

Type: UNKNOWN
Builder: UNKNOWN
Designer: UNKNOWN
Year built: 1985
Stability index: 124.6

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.

6,45.1,3.782558,52,4.17,60,4.46,75,4.67,90,4.66,110,4.78,120,4.63,135,4.17,146.9,3.676652,150,3.56
8,43.5,4.535589,52,5.08,60,5.41,75,5.61,90,5.73,110,5.87,120,5.72,135,5.22,150,4.56,150.2,4.551921
10,43.2,5.199126,52,5.74,60,5.98,75,6.15,90,6.32,110,6.44,120,6.36,135,6.07,150,5.47,151.1,5.414268
12,41.4,5.572508,52,6.11,60,6.29,75,6.44,90,6.61,110,6.84,120,6.78,135,6.53,150,6.16,158.3,5.854923
14,40.5,5.720628,52,6.29,60,6.47,75,6.68,90,6.76,110,7.23,120,7.22,135,6.93,150,6.55,173,6.045059
16,40.6,5.808201,52,6.35,60,6.56,75,6.89,90,7.03,110,7.54,120,7.66,135,7.38,150,6.93,178.4,6.4125
20,41.8,5.835198,52,6.36,60,6.6,75,7.08,90,7.51,110,7.93,120,8.42,135,8.41,150,7.78,177.2,7.138522

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.17	4.46	4.67	4.66	4.78	4.63	4.17	3.56
8	5.08	5.41	5.61	5.73	5.87	5.72	5.22	4.56
10	5.74	5.98	6.15	6.32	6.44	6.36	6.07	5.47
12	6.11	6.29	6.44	6.61	6.84	6.78	6.53	6.16
14	6.29	6.47	6.68	6.76	7.23	7.22	6.93	6.55
16	6.35	6.56	6.89	7.03	7.54	7.66	7.38	6.93
20	6.36	6.6	7.08	7.51	7.93	8.42	8.41	7.78

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.1°	2.67	146.9°	3.08
8	43.5°	3.29	150.2°	3.95
10	43.2°	3.79	151.1°	4.74
12	41.4°	4.18	158.3°	5.44
14	40.5°	4.35	173°	6
16	40.6°	4.41	178.4°	6.41
20	41.8°	4.35	177.2°	7.13

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