Stark Raving Mad IX: ORC Rating

GPH

455.9

OSN

444.5

LOA

14.3 m

Displacement

5940 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.9003

Medium

1.1732

High

1.3904

Triple Offshore

Low

1.1622

Medium

1.4684

High

1.7154

Boat Specifications

Dimensions

Length overall: 14.3 m
Beam: 4.29 m
Draft: 3.28 m
Displacement: 5940 kg
Crew weight: 1050 kg
Wetted surface: 39.45 m²

Sails

Mainsail: 82.15 m²
Genoa: 58.9 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 247.73 m²

Design

Type: Carkeek 47
Builder: Premier Comp Tech
Designer: Carkeek
Year built: 2013

Performance data

Polar CSV

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

6,43.1,6.697141,52,7.5,60,7.96,75,8.27,90,8.19,110,7.8,120,7.56,135,6.77,141,6.279387,150,5.63
8,40.5,7.732712,52,8.61,60,8.9,75,9.17,90,9.09,110,9.06,120,8.96,135,8.47,142,7.893293,150,7.19
10,38.6,8.074005,52,8.97,60,9.34,75,9.96,90,10.06,110,9.86,120,10.09,135,9.44,148.2,8.506956,150,8.35
12,37.3,8.221519,52,9.2,60,9.65,75,10.44,90,10.99,110,10.63,120,10.86,135,10.68,150,9.35,151.8,9.08881
14,36,8.343459,52,9.37,60,9.88,75,10.77,90,11.58,110,11.39,120,11.65,135,12.11,143.2,11.139816,150,10.29
16,35.6,8.473735,52,9.7,60,10.18,75,11.01,90,12.01,110,12.48,120,12.58,135,13.26,143.5,12.564426,150,11.67
20,35.6,8.547526,52,9.94,60,10.59,75,11.76,90,12.68,110,14.44,120,14.45,135,15.2,144.4,15.840595,150,14.88

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	7.5	7.96	8.27	8.19	7.8	7.56	6.77	5.63
8	8.61	8.9	9.17	9.09	9.06	8.96	8.47	7.19
10	8.97	9.34	9.96	10.06	9.86	10.09	9.44	8.35
12	9.2	9.65	10.44	10.99	10.63	10.86	10.68	9.35
14	9.37	9.88	10.77	11.58	11.39	11.65	12.11	10.29
16	9.7	10.18	11.01	12.01	12.48	12.58	13.26	11.67
20	9.94	10.59	11.76	12.68	14.44	14.45	15.2	14.88

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	4.89	141°	4.88
8	40.5°	5.88	142°	6.22
10	38.6°	6.31	148.2°	7.23
12	37.3°	6.54	151.8°	8.01
14	36°	6.75	143.2°	8.92
16	35.6°	6.89	143.5°	10.1
20	35.6°	6.95	144.4°	12.88

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°	7.50	8.61	8.97	9.20	9.37	9.70	9.94
60°	7.96	8.90	9.34	9.65	9.88	10.18	10.59
75°	8.27	9.17	9.96	10.44	10.77	11.01	11.76
90°	8.19	9.09	10.06	10.99	11.58	12.01	12.68
110°	7.80	9.06	9.86	10.63	11.39	12.48	14.44
120°	7.56	8.96	10.09	10.86	11.65	12.58	14.45
135°	6.77	8.47	9.44	10.68	12.11	13.26	15.20
150°	5.63	7.19	8.35	9.35	10.29	11.67	14.88