MORGAN OF MARIETTA: ORC Rating

GPH

609.8

OSN

592.8

LOA

12.866 m

Displacement

10872 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.664

Medium

0.9002

High

1.0462

Triple Offshore

Low

0.8577

Medium

1.1108

High

1.2444

Boat Specifications

Dimensions

Length overall: 12.866 m
Beam: 4.06 m
Draft: 2.36 m
Displacement: 10872 kg
Crew weight: 720 kg
Wetted surface: 37.8 m²

Sails

Mainsail: 42.08 m²
Genoa: 67.07 m²
Spinnaker: 135.69 m²
Asymmetric spinnaker: 133.3 m²

Design

Type: CENTURION 42
Designer: WAUQUIEZ
Year built: 1984

Performance data

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.

6,42.4,4.847957,52,5.42,60,5.71,75,5.93,90,6,110,5.79,120,5.49,135,4.98,145,4.468035,150,4.23
8,40.5,5.628572,52,6.38,60,6.69,75,6.92,90,7.08,110,6.92,120,6.65,135,6.11,150,5.311622
10,40.9,6.363667,52,7.08,60,7.28,75,7.42,90,7.6,110,7.53,120,7.44,135,7.07,150,6.26,151,6.196979
12,40.1,6.745791,52,7.39,60,7.55,75,7.7,90,7.91,110,7.89,120,7.84,135,7.61,150,7.08,154,6.887006
14,39,6.871296,52,7.53,60,7.72,75,7.9,90,8.14,110,8.2,120,8.18,135,7.96,150,7.59,167,6.989131
16,38.2,6.909655,52,7.61,60,7.8,75,8.06,90,8.34,110,8.49,120,8.52,135,8.29,150,7.92,180,7.38
20,38.6,6.999177,52,7.67,60,7.88,75,8.25,90,8.57,110,9.02,120,9.13,135,9.02,150,8.56,180,8.05

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.42	5.71	5.93	6	5.79	5.49	4.98	4.23
8	6.38	6.69	6.92	7.08	6.92	6.65	6.11	5.31
10	7.08	7.28	7.42	7.6	7.53	7.44	7.07	6.26
12	7.39	7.55	7.7	7.91	7.89	7.84	7.61	7.08
14	7.53	7.72	7.9	8.14	8.2	8.18	7.96	7.59
16	7.61	7.8	8.06	8.34	8.49	8.52	8.29	7.92
20	7.67	7.88	8.25	8.57	9.02	9.13	9.02	8.56

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.58	145°	3.66
8	40.5°	4.28	150°	4.6
10	40.9°	4.81	151°	5.42
12	40.1°	5.16	154°	6.19
14	39°	5.34	167°	6.81
16	38.2°	5.43	180°	7.38
20	38.6°	5.47	180°	8.05

VPP POLAR · BOAT SPEED BY TWAKT

TRUE WIND ANGLE —

READ AT ANGLE

Hover or tap the chart, or use the slider, to read boat speeds.

True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt

Data table

Boat speed by true wind angle and true wind speed
TWA	Boat speed in 6 kt (kt)	Boat speed in 8 kt (kt)	Boat speed in 10 kt (kt)	Boat speed in 12 kt (kt)	Boat speed in 14 kt (kt)	Boat speed in 16 kt (kt)	Boat speed in 20 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	5.42	6.38	7.08	7.39	7.53	7.61	7.67
60°	5.71	6.69	7.28	7.55	7.72	7.80	7.88
75°	5.93	6.92	7.42	7.70	7.90	8.06	8.25
90°	6.00	7.08	7.60	7.91	8.14	8.34	8.57
110°	5.79	6.92	7.53	7.89	8.20	8.49	9.02
120°	5.49	6.65	7.44	7.84	8.18	8.52	9.13
135°	4.98	6.11	7.07	7.61	7.96	8.29	9.02
150°	4.23	5.31	6.26	7.08	7.59	7.92	8.56