ALEKS: ORC Rating

GPH

722.3

OSN

703.5

LOA

9.1 m

Displacement

3700 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5702

Medium

0.7644

High

0.8706

Triple Offshore

Low

0.7317

Medium

0.9345

High

1.0361

Boat Specifications

Dimensions

Length overall: 9.1 m
Beam: 3.09 m
Draft: 1.56 m
Displacement: 3700 kg
Crew weight: 500 kg
Wetted surface: 18.34 m²

Sails

Mainsail: 20.69 m²
Genoa: 29.98 m²
Spinnaker: 53.9 m²
Asymmetric spinnaker: 0 m²

Design

Type: Carter-30
Builder: Verf im. L. Teligi
Designer: D. Carter
Year built: 1975

Performance data

Polar CSV

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

6,42.6,4.075549,52,4.57,60,4.83,75,5.03,90,4.98,110,4.91,120,4.78,135,4.37,148,3.855913,150,3.77
8,42.8,4.797406,52,5.37,60,5.65,75,5.83,90,5.81,110,5.88,120,5.76,135,5.28,150,4.68,153,4.556645
10,42,5.355618,52,5.88,60,6.06,75,6.19,90,6.27,110,6.34,120,6.28,135,6.01,150,5.46,154,5.295985
12,40.5,5.628572,52,6.13,60,6.28,75,6.41,90,6.54,110,6.66,120,6.59,135,6.38,150,6.07,168,5.530863
14,39.8,5.727052,52,6.25,60,6.41,75,6.59,90,6.71,110,6.97,120,6.9,135,6.68,150,6.4,180,5.98
16,39.8,5.7661,52,6.3,60,6.48,75,6.74,90,6.86,110,7.25,120,7.22,135,7,150,6.68,180,6.33
20,40.9,5.781544,52,6.3,60,6.51,75,6.9,90,7.2,110,7.56,120,7.74,135,7.62,150,7.27,180,6.88

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.57	4.83	5.03	4.98	4.91	4.78	4.37	3.77
8	5.37	5.65	5.83	5.81	5.88	5.76	5.28	4.68
10	5.88	6.06	6.19	6.27	6.34	6.28	6.01	5.46
12	6.13	6.28	6.41	6.54	6.66	6.59	6.38	6.07
14	6.25	6.41	6.59	6.71	6.97	6.9	6.68	6.4
16	6.3	6.48	6.74	6.86	7.25	7.22	7	6.68
20	6.3	6.51	6.9	7.2	7.56	7.74	7.62	7.27

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3	148°	3.27
8	42.8°	3.52	153°	4.06
10	42°	3.98	154°	4.76
12	40.5°	4.28	168°	5.41
14	39.8°	4.4	180°	5.98
16	39.8°	4.43	180°	6.33
20	40.9°	4.37	180°	6.88

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°	4.57	5.37	5.88	6.13	6.25	6.30	6.30
60°	4.83	5.65	6.06	6.28	6.41	6.48	6.51
75°	5.03	5.83	6.19	6.41	6.59	6.74	6.90
90°	4.98	5.81	6.27	6.54	6.71	6.86	7.20
110°	4.91	5.88	6.34	6.66	6.97	7.25	7.56
120°	4.78	5.76	6.28	6.59	6.90	7.22	7.74
135°	4.37	5.28	6.01	6.38	6.68	7.00	7.62
150°	3.77	4.68	5.46	6.07	6.40	6.68	7.27