ORCA CREW — ORC Rating

GPH

644.6

OSN

628.5

LOA

8.3 m

Displacement

1860 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6517

Medium

0.8432

High

0.9488

Triple Offshore

Low

0.8331

Medium

1.0398

High

1.1605

Boat Specifications

Dimensions

Length overall: 8.3 m
Beam: 2.66 m
Draft: 1.72 m
Displacement: 1860 kg
Crew weight: 420 kg
Wetted surface: 16.77 m²

Sails

Mainsail: 26.44 m²
Genoa: 18.27 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 81.22 m²

Design

Type: RS280
Builder: UAB Plastolitas
Designer: UAB Plastolitas
Year built: 1998
Stability index: 101.6

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.

6,43,4.621567,52,5.14,60,5.4,75,5.56,90,5.65,110,5.78,120,5.65,135,5.06,144.2,4.586569,150,4.3
8,40.6,5.373573,52,5.99,60,6.19,75,6.33,90,6.43,110,6.66,120,6.6,135,6.21,147.8,5.530652,150,5.4
10,39,5.790418,52,6.44,60,6.61,75,6.76,90,6.75,110,7.19,120,7.23,135,6.9,149.2,6.309957,150,6.26
12,38.7,5.91981,52,6.58,60,6.8,75,7.1,90,7.16,110,7.53,120,7.79,135,7.53,149.6,6.875253,150,6.84
14,38.7,5.983878,52,6.66,60,6.9,75,7.3,90,7.55,110,7.83,120,8.21,135,8.22,147.1,7.539126,150,7.31
16,39.4,6.069362,52,6.71,60,6.97,75,7.43,90,7.85,110,8.12,120,8.6,135,9.06,144.3,8.422779,150,7.9
20,40.6,6.097952,52,6.73,60,7.03,75,7.58,90,8.17,110,8.66,120,9.38,135,10.99,142,11.205431,150,10.2

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.14	5.4	5.56	5.65	5.78	5.65	5.06	4.3
8	5.99	6.19	6.33	6.43	6.66	6.6	6.21	5.4
10	6.44	6.61	6.76	6.75	7.19	7.23	6.9	6.26
12	6.58	6.8	7.1	7.16	7.53	7.79	7.53	6.84
14	6.66	6.9	7.3	7.55	7.83	8.21	8.22	7.31
16	6.71	6.97	7.43	7.85	8.12	8.6	9.06	7.9
20	6.73	7.03	7.58	8.17	8.66	9.38	10.99	10.2

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.38	144.2°	3.72
8	40.6°	4.08	147.8°	4.68
10	39°	4.5	149.2°	5.42
12	38.7°	4.62	149.6°	5.93
14	38.7°	4.67	147.1°	6.33
16	39.4°	4.69	144.3°	6.84
20	40.6°	4.63	142°	8.83

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