BLUE ROCKET — ORC Rating

GPH

572.1

OSN

555.3

LOA

12.465 m

Displacement

6573 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.706

Medium

0.9619

High

1.1075

Triple Offshore

Low

0.914

Medium

1.1856

High

1.3298

Boat Specifications

Dimensions

Length overall: 12.465 m
Beam: 3.71 m
Draft: 2.53 m
Displacement: 6573 kg
Crew weight: 670 kg
Wetted surface: 32.07 m²

Sails

Mainsail: 52.66 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: 122.3

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.

6,43,5.168498,52,5.76,60,6.09,75,6.36,90,6.28,110,6.12,120,5.94,135,5.32,141.2,4.952922,150,4.46
8,41.4,6.159088,52,6.92,60,7.21,75,7.4,90,7.37,110,7.42,120,7.27,135,6.64,146.6,5.857355,150,5.65
10,40,6.814226,52,7.54,60,7.75,75,7.9,90,7.91,110,8.08,120,7.98,135,7.6,149.3,6.780234,150,6.73
12,38.7,6.99614,52,7.76,60,7.98,75,8.22,90,8.28,110,8.55,120,8.51,135,8.13,150,7.58,155.6,7.291226
14,38.4,7.107371,52,7.86,60,8.09,75,8.46,90,8.65,110,8.88,120,9.08,135,8.66,150,8.1,164.6,7.55112
16,38.1,7.192462,52,7.91,60,8.16,75,8.6,90,8.97,110,9.17,120,9.56,135,9.24,150,8.59,176.3,7.846355
20,37.9,7.337621,52,8.07,60,8.32,75,8.7,90,9.38,110,9.57,120,10.22,135,10.7,150,9.73,176.6,8.765429

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.76	6.09	6.36	6.28	6.12	5.94	5.32	4.46
8	6.92	7.21	7.4	7.37	7.42	7.27	6.64	5.65
10	7.54	7.75	7.9	7.91	8.08	7.98	7.6	6.73
12	7.76	7.98	8.22	8.28	8.55	8.51	8.13	7.58
14	7.86	8.09	8.46	8.65	8.88	9.08	8.66	8.1
16	7.91	8.16	8.6	8.97	9.17	9.56	9.24	8.59
20	8.07	8.32	8.7	9.38	9.57	10.22	10.7	9.73

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.78	141.2°	3.86
8	41.4°	4.62	146.6°	4.89
10	40°	5.22	149.3°	5.83
12	38.7°	5.46	155.6°	6.64
14	38.4°	5.57	164.6°	7.28
16	38.1°	5.66	176.3°	7.83
20	37.9°	5.79	176.6°	8.75

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