BLUE ROCKET — ORC Rating

GPH

568.8

OSN

552.8

LOA

12.465 m

Displacement

6573 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.724

Medium

0.9674

High

1.1021

Triple Offshore

Low

0.932

Medium

1.1868

High

1.3177

Boat Specifications

Dimensions

Length overall: 12.465 m
Beam: 3.71 m
Draft: 2.53 m
Displacement: 6573 kg
Crew weight: 600 kg
Wetted surface: 31.92 m²

Sails

Mainsail: 53.6 m²
Genoa: 41.32 m²
Spinnaker: 111.06 m²
Asymmetric spinnaker: 0 m²

Design

Type: BASHFORD 41
Builder: BASHFORD
Designer: IAN MURRAY
Year built: 1994
Stability index: 122.8

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.

6,42.4,5.376087,52,6,60,6.3,75,6.51,90,6.38,110,6.17,120,5.99,135,5.35,140.6,5.021136,150,4.48
8,40.5,6.312418,52,7.04,60,7.27,75,7.42,90,7.36,110,7.38,120,7.25,135,6.68,146.6,5.905268,150,5.7
10,38.7,6.765498,52,7.54,60,7.74,75,7.9,90,7.89,110,8.03,120,7.96,135,7.57,150,6.76,151.1,6.693589
12,37.6,6.916662,52,7.74,60,7.95,75,8.19,90,8.25,110,8.46,120,8.45,135,8.12,150,7.56,156.5,7.229625
14,37.8,7.061905,52,7.84,60,8.07,75,8.39,90,8.56,110,8.77,120,8.92,135,8.61,150,8.09,164.6,7.540747
16,37.6,7.13123,52,7.91,60,8.15,75,8.51,90,8.81,110,9.01,120,9.35,135,9.13,150,8.56,176.6,7.833789
20,37.8,7.188463,52,7.98,60,8.24,75,8.68,90,9.15,110,9.4,120,9.98,135,10.41,150,9.63,177.2,8.730423

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6	6.3	6.51	6.38	6.17	5.99	5.35	4.48
8	7.04	7.27	7.42	7.36	7.38	7.25	6.68	5.7
10	7.54	7.74	7.9	7.89	8.03	7.96	7.57	6.76
12	7.74	7.95	8.19	8.25	8.46	8.45	8.12	7.56
14	7.84	8.07	8.39	8.56	8.77	8.92	8.61	8.09
16	7.91	8.15	8.51	8.81	9.01	9.35	9.13	8.56
20	7.98	8.24	8.68	9.15	9.4	9.98	10.41	9.63

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.97	140.6°	3.88
8	40.5°	4.8	146.6°	4.93
10	38.7°	5.28	151.1°	5.86
12	37.6°	5.48	156.5°	6.63
14	37.8°	5.58	164.6°	7.27
16	37.6°	5.65	176.6°	7.82
20	37.8°	5.68	177.2°	8.72

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