Orca — ORC Rating | RegattaPages

GPH

596.2

OSN

578.9

LOA

11.924 m

Displacement

7486 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7678

Medium

1.0421

High

1.2007

Triple Offshore

Low

0.9882

Medium

1.2787

High

1.4288

Boat Specifications

Dimensions

Length overall: 11.924 m
Beam: 3.77 m
Draft: 2.43 m
Displacement: 7486 kg
Crew weight: 860 kg
Wetted surface: 31.84 m²

Sails

Mainsail: 48.66 m²
Genoa: 47.62 m²
Spinnaker: 101.63 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 40.7
Builder: Bennetau
Designer: Farr
Year built: 1997

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.

6,42.1,5.000163,52,5.59,60,5.87,75,6.1,90,6.03,110,5.76,120,5.6,135,5.07,144.9,4.534622,150,4.29
8,40.8,5.891716,52,6.65,60,6.92,75,7.1,90,7.07,110,7,120,6.83,135,6.25,149.3,5.442795,150,5.4
10,40,6.592307,52,7.27,60,7.45,75,7.58,90,7.59,110,7.67,120,7.57,135,7.18,150,6.39,151.3,6.304536
12,38.5,6.823338,52,7.53,60,7.7,75,7.86,90,7.91,110,8.07,120,7.99,135,7.7,150,7.2,155.7,6.912418
14,37.7,6.913343,52,7.64,60,7.82,75,8.08,90,8.19,110,8.45,120,8.42,135,8.09,150,7.69,170.7,7.04257
16,37.8,6.998627,52,7.69,60,7.89,75,8.22,90,8.46,110,8.74,120,8.85,135,8.51,150,8.05,180,7.5
20,37.6,7.042879,52,7.71,60,7.93,75,8.35,90,8.86,110,9.15,120,9.55,135,9.45,150,8.85,180,8.23

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.59	5.87	6.1	6.03	5.76	5.6	5.07	4.29
8	6.65	6.92	7.1	7.07	7	6.83	6.25	5.4
10	7.27	7.45	7.58	7.59	7.67	7.57	7.18	6.39
12	7.53	7.7	7.86	7.91	8.07	7.99	7.7	7.2
14	7.64	7.82	8.08	8.19	8.45	8.42	8.09	7.69
16	7.69	7.89	8.22	8.46	8.74	8.85	8.51	8.05
20	7.71	7.93	8.35	8.86	9.15	9.55	9.45	8.85

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.1°	3.71	144.9°	3.71
8	40.8°	4.46	149.3°	4.68
10	40°	5.05	151.3°	5.53
12	38.5°	5.34	155.7°	6.3
14	37.7°	5.47	170.7°	6.95
16	37.8°	5.53	180°	7.5
20	37.6°	5.58	180°	8.23

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