MERIDIAN XI: ORC Rating

GPH

472.1

OSN

462.5

LOA

12.543 m

Displacement

4061 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8534

Medium

1.1214

High

1.3365

Triple Offshore

Low

1.1197

Medium

1.4183

High

1.6594

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: 31.65 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
Stability index: 134.3

Performance data

Polar CSV

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

6,45,6.462956,52,7.15,60,7.7,75,8.21,90,8.37,110,8.09,120,7.68,135,6.45,141.5,5.954449,150,5.38
8,41.1,7.365007,52,8.12,60,8.38,75,8.88,90,9.31,110,9.08,120,8.59,135,8.05,144.2,7.348374,150,6.89
10,38.4,7.656055,52,8.51,60,8.89,75,9.44,90,10.02,110,10.3,120,9.71,135,9.04,149.8,8.041424,150,8.02
12,37.2,7.796317,52,8.75,60,9.21,75,9.98,90,10.56,110,11.28,120,11,135,10.34,150,8.92,150.5,8.881426
14,36.4,7.914088,52,8.9,60,9.43,75,10.32,90,11.12,110,12.03,120,12.31,135,11.82,143.3,10.888333,150,10.08
16,35.8,8.026495,52,9.2,60,9.7,75,10.56,90,11.58,110,12.81,120,13.33,135,13.04,143.3,12.385011,150,11.46
20,36,8.108606,52,9.46,60,10.1,75,11.27,90,12.02,110,14,120,14.94,135,15.01,144.7,15.85517,150,14.95

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	7.15	7.7	8.21	8.37	8.09	7.68	6.45	5.38
8	8.12	8.38	8.88	9.31	9.08	8.59	8.05	6.89
10	8.51	8.89	9.44	10.02	10.3	9.71	9.04	8.02
12	8.75	9.21	9.98	10.56	11.28	11	10.34	8.92
14	8.9	9.43	10.32	11.12	12.03	12.31	11.82	10.08
16	9.2	9.7	10.56	11.58	12.81	13.33	13.04	11.46
20	9.46	10.1	11.27	12.02	14	14.94	15.01	14.95

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45°	4.57	141.5°	4.66
8	41.1°	5.55	144.2°	5.96
10	38.4°	6	149.8°	6.95
12	37.2°	6.21	150.5°	7.73
14	36.4°	6.37	143.3°	8.73
16	35.8°	6.51	143.3°	9.93
20	36°	6.56	144.7°	12.94

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°	7.15	8.12	8.51	8.75	8.90	9.20	9.46
60°	7.70	8.38	8.89	9.21	9.43	9.70	10.10
75°	8.21	8.88	9.44	9.98	10.32	10.56	11.27
90°	8.37	9.31	10.02	10.56	11.12	11.58	12.02
110°	8.09	9.08	10.30	11.28	12.03	12.81	14.00
120°	7.68	8.59	9.71	11.00	12.31	13.33	14.94
135°	6.45	8.05	9.04	10.34	11.82	13.04	15.01
150°	5.38	6.89	8.02	8.92	10.08	11.46	14.95