Maestro — ORC Rating | RegattaPages

GPH

566.1

OSN

550

LOA

12.75 m

Displacement

6200 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.707

Medium

0.9695

High

1.1157

Triple Offshore

Low

0.9193

Medium

1.1992

High

1.3532

Boat Specifications

Dimensions

Length overall: 12.75 m
Beam: 3.82 m
Draft: 2.42 m
Displacement: 6200 kg
Crew weight: 680 kg
Wetted surface: 32.12 m²

Sails

Mainsail: 51.45 m²
Genoa: 39.77 m²
Spinnaker: 110.36 m²
Asymmetric spinnaker: 124.75 m²

Design

Type: Fast 42
Builder: Robertson and Cain
Designer: Simonis Voogd
Year built: 2003

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.

6,43.5,5.100814,52,5.69,60,6.06,75,6.38,90,6.32,110,6.29,120,6.12,135,5.47,141.5,5.072781,150,4.58
8,42,6.122629,52,6.87,60,7.21,75,7.46,90,7.48,110,7.6,120,7.46,135,6.81,146,6.006965,150,5.75
10,40.5,6.825302,52,7.58,60,7.8,75,7.98,90,8,110,8.22,120,8.14,135,7.77,148,7.016112,150,6.87
12,39,7.06431,52,7.85,60,8.07,75,8.32,90,8.38,110,8.71,120,8.69,135,8.31,150,7.73,155,7.458835
14,38.2,7.151429,52,7.96,60,8.2,75,8.6,90,8.78,110,9.07,120,9.3,135,8.9,150,8.25,164,7.67741
16,38.6,7.267884,52,8.01,60,8.28,75,8.79,90,9.16,110,9.4,120,9.81,135,9.56,150,8.78,180,7.95
20,38.6,7.357453,52,8.08,60,8.34,75,8.96,90,9.67,110,10.03,120,10.6,135,11.2,150,10.05,180,8.93

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.69	6.06	6.38	6.32	6.29	6.12	5.47	4.58
8	6.87	7.21	7.46	7.48	7.6	7.46	6.81	5.75
10	7.58	7.8	7.98	8	8.22	8.14	7.77	6.87
12	7.85	8.07	8.32	8.38	8.71	8.69	8.31	7.73
14	7.96	8.2	8.6	8.78	9.07	9.3	8.9	8.25
16	8.01	8.28	8.79	9.16	9.4	9.81	9.56	8.78
20	8.08	8.34	8.96	9.67	10.03	10.6	11.2	10.05

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.7	141.5°	3.97
8	42°	4.55	146°	4.98
10	40.5°	5.19	148°	5.95
12	39°	5.49	155°	6.76
14	38.2°	5.62	164°	7.38
16	38.6°	5.68	180°	7.95
20	38.6°	5.75	180°	8.93

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