Petra — ORC Rating | RegattaPages

GPH

550.5

OSN

535

LOA

12.69 m

Displacement

6052 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7486

Medium

0.9976

High

1.1376

Triple Offshore

Low

0.9618

Medium

1.2253

High

1.3724

Boat Specifications

Dimensions

Length overall: 12.69 m
Beam: 3.7 m
Draft: 2.39 m
Displacement: 6052 kg
Crew weight: 820 kg
Wetted surface: 31.6 m²

Sails

Mainsail: 61.19 m²
Genoa: 39.91 m²
Spinnaker: 146.07 m²
Asymmetric spinnaker: 107.31 m²

Design

Type: GRAND SOLEIL 42RMO
Builder: DEL PARDO
Designer: BOTIN CARKEEK
Year built: 2005

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.

6,42.9,5.433129,52,6.04,60,6.34,75,6.55,90,6.65,110,6.43,120,6.26,135,5.66,142.8,5.197545,150,4.78
8,40.7,6.410473,52,7.15,60,7.38,75,7.52,90,7.71,110,7.64,120,7.52,135,6.98,146.2,6.257638,150,6.01
10,39.2,6.942433,52,7.71,60,7.91,75,8.06,90,8.27,110,8.29,120,8.25,135,7.85,150,7.08,150.9,7.015558
12,38.2,7.138704,52,7.92,60,8.15,75,8.41,90,8.61,110,8.76,120,8.81,135,8.46,150,7.85,156.3,7.524606
14,37.8,7.251742,52,8.04,60,8.28,75,8.63,90,8.83,110,9.24,120,9.29,135,9.07,150,8.41,163.5,7.832546
16,37.6,7.333177,52,8.12,60,8.38,75,8.77,90,9.12,110,9.69,120,9.82,135,9.72,150,8.97,173.6,8.110546
20,37.6,7.421528,52,8.23,60,8.5,75,8.99,90,9.51,110,10.42,120,10.98,135,11.39,150,10.29,174.1,9.138408
24,39.1,7.435122,52,8.22,60,8.53,75,9.08,90,9.77,110,11.01,120,12.26,135,13.64,143.9,13.601655,150,12.69

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.04	6.34	6.55	6.65	6.43	6.26	5.66	4.78
8	7.15	7.38	7.52	7.71	7.64	7.52	6.98	6.01
10	7.71	7.91	8.06	8.27	8.29	8.25	7.85	7.08
12	7.92	8.15	8.41	8.61	8.76	8.81	8.46	7.85
14	8.04	8.28	8.63	8.83	9.24	9.29	9.07	8.41
16	8.12	8.38	8.77	9.12	9.69	9.82	9.72	8.97
20	8.23	8.5	8.99	9.51	10.42	10.98	11.39	10.29
24	8.22	8.53	9.08	9.77	11.01	12.26	13.64	12.69

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	3.98	142.8°	4.14
8	40.7°	4.86	146.2°	5.2
10	39.2°	5.38	150.9°	6.13
12	38.2°	5.61	156.3°	6.89
14	37.8°	5.73	163.5°	7.51
16	37.6°	5.81	173.6°	8.06
20	37.6°	5.88	174.1°	9.09
24	39.1°	5.77	143.9°	10.99

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