MERIDIAN XI: ORC Rating

GPH

475.1

OSN

463.9

LOA

12.543 m

Displacement

4061 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8533

Medium

1.1231

High

1.3316

Triple Offshore

Low

1.1086

Medium

1.4115

High

1.6552

Boat Specifications

Dimensions

Length overall: 12.543 m
Beam: 3.88 m
Draft: 3.01 m
Displacement: 4061 kg
Crew weight: 920 kg
Wetted surface: 31.91 m²

Sails

Mainsail: 66.14 m²
Genoa: 43.33 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 189.9 m²

Design

Type: Carkeek 40 Mark II
Builder: PREMIER COMPOSITES
Designer: Carkeek
Year built: 2016

Performance data

Polar CSV

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

6,42.7,6.327266,52,7.04,60,7.52,75,8.01,90,8.08,110,7.74,120,7.29,135,6.38,141.5,5.89056,150,5.33
8,39.8,7.262944,52,8.12,60,8.39,75,8.73,90,9.03,110,8.8,120,8.47,135,7.97,144.4,7.231576,150,6.79
10,38,7.65218,52,8.59,60,8.96,75,9.38,90,9.71,110,9.87,120,9.56,135,9.02,148.5,8.080783,150,7.95
12,36.9,7.853096,52,8.9,60,9.32,75,9.95,90,10.22,110,10.91,120,10.64,135,10.17,149.9,8.934852,150,8.92
14,36.3,7.990785,52,9.14,60,9.61,75,10.34,90,10.94,110,11.7,120,11.86,135,11.52,146.9,10.28985,150,9.96
16,36,8.096245,52,9.33,60,9.84,75,10.69,90,11.48,110,12.4,120,12.94,135,12.88,145.8,11.727999,150,11.2
20,35.9,8.234145,52,9.61,60,10.17,75,11.22,90,12.38,110,13.55,120,14.61,135,14.91,144.1,15.22144,150,14.24
24,37.2,8.285941,52,9.64,60,10.29,75,11.56,90,13.01,110,14.98,120,15.99,135,17.98,148.7,18.339093,150,18.09

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	7.04	7.52	8.01	8.08	7.74	7.29	6.38	5.33
8	8.12	8.39	8.73	9.03	8.8	8.47	7.97	6.79
10	8.59	8.96	9.38	9.71	9.87	9.56	9.02	7.95
12	8.9	9.32	9.95	10.22	10.91	10.64	10.17	8.92
14	9.14	9.61	10.34	10.94	11.7	11.86	11.52	9.96
16	9.33	9.84	10.69	11.48	12.4	12.94	12.88	11.2
20	9.61	10.17	11.22	12.38	13.55	14.61	14.91	14.24
24	9.64	10.29	11.56	13.01	14.98	15.99	17.98	18.09

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.7°	4.65	141.5°	4.61
8	39.8°	5.58	144.4°	5.88
10	38°	6.03	148.5°	6.89
12	36.9°	6.28	149.9°	7.73
14	36.3°	6.44	146.9°	8.62
16	36°	6.55	145.8°	9.7
20	35.9°	6.67	144.1°	12.33
24	37.2°	6.6	148.7°	15.67

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 kt24 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)	Boat speed in 24 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	7.04	8.12	8.59	8.90	9.14	9.33	9.61	9.64
60°	7.52	8.39	8.96	9.32	9.61	9.84	10.17	10.29
75°	8.01	8.73	9.38	9.95	10.34	10.69	11.22	11.56
90°	8.08	9.03	9.71	10.22	10.94	11.48	12.38	13.01
110°	7.74	8.80	9.87	10.91	11.70	12.40	13.55	14.98
120°	7.29	8.47	9.56	10.64	11.86	12.94	14.61	15.99
135°	6.38	7.97	9.02	10.17	11.52	12.88	14.91	17.98
150°	5.33	6.79	7.95	8.92	9.96	11.20	14.24	18.09