RUSH — ORC Rating | RegattaPages

GPH

555.8

OSN

542.4

LOA

11.982 m

Displacement

4917 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7548

Medium

0.9856

High

1.1131

Triple Offshore

Low

0.9678

Medium

1.2049

High

1.3439

Boat Specifications

Dimensions

Length overall: 11.982 m
Beam: 3.79 m
Draft: 2.35 m
Displacement: 4917 kg
Crew weight: 730 kg
Wetted surface: 27.18 m²

Sails

Mainsail: 49.03 m²
Genoa: 46.31 m²
Spinnaker: 140.15 m²
Asymmetric spinnaker: 92.87 m²

Design

Type: ONE-OFF
Builder: COOKSON BOATS
Designer: BRUCE FARR
Year built: 1991

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.

6,42.4,5.497963,52,6.15,60,6.49,75,6.76,90,6.7,110,6.42,120,6.28,135,5.69,144,5.166764,150,4.83
8,40.5,6.430775,52,7.17,60,7.38,75,7.53,90,7.51,110,7.54,120,7.47,135,7.03,141.2,6.646667,150,5.98
10,38.4,6.775608,52,7.54,60,7.74,75,7.93,90,7.94,110,8.09,120,8.08,135,7.76,150,7.043673
12,37.9,6.982779,52,7.69,60,7.91,75,8.25,90,8.36,110,8.57,120,8.67,135,8.34,150,7.74,157,7.419841
14,37.1,7.033743,52,7.77,60,8.01,75,8.44,90,8.75,110,9,120,9.13,135,9.01,150,8.27,174,7.450816
16,37.1,7.058818,52,7.82,60,8.08,75,8.57,90,9.04,110,9.33,120,9.72,135,9.76,150,8.87,180,7.92
20,37.1,7.184197,52,7.94,60,8.21,75,8.7,90,9.34,110,9.91,120,10.59,135,11.39,150,10.32,180,8.99

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.15	6.49	6.76	6.7	6.42	6.28	5.69	4.83
8	7.17	7.38	7.53	7.51	7.54	7.47	7.03	5.98
10	7.54	7.74	7.93	7.94	8.09	8.08	7.76	7.04
12	7.69	7.91	8.25	8.36	8.57	8.67	8.34	7.74
14	7.77	8.01	8.44	8.75	9	9.13	9.01	8.27
16	7.82	8.08	8.57	9.04	9.33	9.72	9.76	8.87
20	7.94	8.21	8.7	9.34	9.91	10.59	11.39	10.32

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	4.06	144°	4.18
8	40.5°	4.89	141.2°	5.18
10	38.4°	5.31	150°	6.1
12	37.9°	5.51	157°	6.83
14	37.1°	5.61	174°	7.41
16	37.1°	5.63	180°	7.92
20	37.1°	5.73	180°	8.99

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