ORCA — ORC Rating | RegattaPages

GPH

665.7

OSN

647.7

LOA

8.032 m

Displacement

1511 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7035

Medium

0.9272

High

1.0499

Triple Offshore

Low

0.9007

Medium

1.1358

High

1.2775

Boat Specifications

Dimensions

Length overall: 8.032 m
Beam: 2.49 m
Draft: 1.51 m
Displacement: 1511 kg
Crew weight: 400 kg
Wetted surface: 13.62 m²

Sails

Mainsail: 21.26 m²
Genoa: 13.61 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 57.13 m²

Design

Type: J-80
Builder: J COMPOSITES
Designer: R. JOHNSTONE
Year built: 1993

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.

6,42,4.292568,52,4.83,60,5.09,75,5.29,90,5.5,110,5.58,120,5.44,135,4.92,145.1,4.42601,150,4.19
8,40.9,5.13327,52,5.76,60,5.96,75,6.09,90,6.33,110,6.43,120,6.34,135,6,148.1,5.359425,150,5.25
10,38.7,5.650728,52,6.21,60,6.35,75,6.47,90,6.63,110,6.95,120,6.88,135,6.57,150,6.07,150.2,6.061546
12,37.4,5.803015,52,6.4,60,6.58,75,6.8,90,6.86,110,7.41,120,7.49,135,7.11,150,6.5,151.5,6.417718
14,36.9,5.864812,52,6.48,60,6.71,75,7.08,90,7.24,110,7.74,120,8.09,135,7.72,150,6.87,176.4,6.122081
16,36.8,5.9071,52,6.53,60,6.78,75,7.24,90,7.6,110,8.05,120,8.53,135,8.47,150,7.33,177.5,6.516202
20,36.8,5.982031,52,6.65,60,6.91,75,7.37,90,8.05,110,8.71,120,9.45,135,10.67,139,10.414602,150,9.07

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.83	5.09	5.29	5.5	5.58	5.44	4.92	4.19
8	5.76	5.96	6.09	6.33	6.43	6.34	6	5.25
10	6.21	6.35	6.47	6.63	6.95	6.88	6.57	6.07
12	6.4	6.58	6.8	6.86	7.41	7.49	7.11	6.5
14	6.48	6.71	7.08	7.24	7.74	8.09	7.72	6.87
16	6.53	6.78	7.24	7.6	8.05	8.53	8.47	7.33
20	6.65	6.91	7.37	8.05	8.71	9.45	10.67	9.07

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.19	145.1°	3.63
8	40.9°	3.88	148.1°	4.55
10	38.7°	4.41	150.2°	5.26
12	37.4°	4.61	151.5°	5.64
14	36.9°	4.69	176.4°	6.11
16	36.8°	4.73	177.5°	6.51
20	36.8°	4.79	139°	7.86

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