XL: ORC Rating | Offwind

GPH

516.8

OSN

503.3

LOA

12.208 m

Displacement

4741 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7972

Medium

1.0494

High

1.2091

Triple Offshore

Low

1.0269

Medium

1.2979

High

1.4939

Boat Specifications

Dimensions

Length overall: 12.208 m
Beam: 3.72 m
Draft: 2.8 m
Displacement: 4741 kg
Crew weight: 770 kg
Wetted surface: 29.71 m²

Sails

Mainsail: 61.02 m²
Genoa: 43.45 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 122.01 m²

Design

Type: ANTRIM 40
Builder: PEOPLES BOATWORKS
Designer: ANTRIM
Year built: 2008

Performance data

Polar CSV

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

6,42.2,5.993483,52,6.71,60,7.05,75,7.29,90,7.2,110,6.92,120,6.55,135,5.83,141.9,5.362577,150,4.87
8,39.8,6.911511,52,7.69,60,7.91,75,8.07,90,8.06,110,8.01,120,7.84,135,7.3,144.4,6.628945,150,6.22
10,37.6,7.28269,52,8.12,60,8.36,75,8.6,90,8.67,110,8.72,120,8.61,135,8.18,149.6,7.373796,150,7.35
12,36.5,7.476455,52,8.36,60,8.67,75,9.04,90,9.17,110,9.45,120,9.39,135,8.93,150,8.12,151.5,8.022147
14,35.8,7.594963,52,8.55,60,8.88,75,9.38,90,9.69,110,10.18,120,10.2,135,9.76,149.5,8.785682,150,8.75
16,35.4,7.692045,52,8.7,60,9.07,75,9.66,90,10.17,110,10.92,120,11.03,135,10.75,147.1,9.742504,150,9.45
20,35,7.80075,52,8.91,60,9.33,75,10.12,90,11.01,110,12.17,120,13.04,135,13.25,144.5,12.197286,150,11.47
24,35.8,7.841553,52,9,60,9.47,75,10.43,90,11.69,110,13.12,120,14.91,135,15.85,144.6,15.690791,150,14.77

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.71	7.05	7.29	7.2	6.92	6.55	5.83	4.87
8	7.69	7.91	8.07	8.06	8.01	7.84	7.3	6.22
10	8.12	8.36	8.6	8.67	8.72	8.61	8.18	7.35
12	8.36	8.67	9.04	9.17	9.45	9.39	8.93	8.12
14	8.55	8.88	9.38	9.69	10.18	10.2	9.76	8.75
16	8.7	9.07	9.66	10.17	10.92	11.03	10.75	9.45
20	8.91	9.33	10.12	11.01	12.17	13.04	13.25	11.47
24	9	9.47	10.43	11.69	13.12	14.91	15.85	14.77

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.2°	4.44	141.9°	4.22
8	39.8°	5.31	144.4°	5.39
10	37.6°	5.77	149.6°	6.36
12	36.5°	6.01	151.5°	7.05
14	35.8°	6.16	149.5°	7.57
16	35.4°	6.27	147.1°	8.18
20	35°	6.39	144.5°	9.93
24	35.8°	6.36	144.6°	12.79

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°	6.71	7.69	8.12	8.36	8.55	8.70	8.91	9.00
60°	7.05	7.91	8.36	8.67	8.88	9.07	9.33	9.47
75°	7.29	8.07	8.60	9.04	9.38	9.66	10.12	10.43
90°	7.20	8.06	8.67	9.17	9.69	10.17	11.01	11.69
110°	6.92	8.01	8.72	9.45	10.18	10.92	12.17	13.12
120°	6.55	7.84	8.61	9.39	10.20	11.03	13.04	14.91
135°	5.83	7.30	8.18	8.93	9.76	10.75	13.25	15.85
150°	4.87	6.22	7.35	8.12	8.75	9.45	11.47	14.77