XL: ORC Rating | Offwind

GPH

518.8

OSN

504.9

LOA

12.208 m

Displacement

4741 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7801

Medium

1.0422

High

1.205

Triple Offshore

Low

1.014

Medium

1.2969

High

1.5024

Boat Specifications

Dimensions

Length overall: 12.208 m
Beam: 3.72 m
Draft: 2.8 m
Displacement: 4741 kg
Crew weight: 950 kg
Wetted surface: 29.96 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
Stability index: 144.7

Performance data

Polar CSV

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

6,43,5.783795,52,6.46,60,6.87,75,7.2,90,7.31,110,7.07,120,6.64,135,5.78,142.4,5.301092,150,4.85
8,41.4,6.905644,52,7.63,60,7.86,75,8.02,90,8.2,110,8.08,120,7.87,135,7.28,143.9,6.62137,150,6.17
10,38.4,7.311532,52,8.07,60,8.3,75,8.55,90,8.86,110,8.8,120,8.58,135,8.13,149.3,7.38499,150,7.34
12,37,7.487771,52,8.3,60,8.63,75,9.1,90,9.46,110,9.65,120,9.45,135,8.86,150,8.08,152,7.950642
14,36,7.552375,52,8.46,60,8.86,75,9.53,90,9.88,110,10.56,120,10.41,135,9.76,149.1,8.740598,150,8.66
16,35.2,7.636345,52,8.58,60,9.02,75,9.8,90,10.49,110,11.46,120,11.43,135,10.84,146.6,9.762258,150,9.41
20,35,7.776334,52,8.92,60,9.38,75,10.15,90,11.3,110,12.7,120,13.61,135,13.63,143.5,12.489786,150,11.6

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.46	6.87	7.2	7.31	7.07	6.64	5.78	4.85
8	7.63	7.86	8.02	8.2	8.08	7.87	7.28	6.17
10	8.07	8.3	8.55	8.86	8.8	8.58	8.13	7.34
12	8.3	8.63	9.1	9.46	9.65	9.45	8.86	8.08
14	8.46	8.86	9.53	9.88	10.56	10.41	9.76	8.66
16	8.58	9.02	9.8	10.49	11.46	11.43	10.84	9.41
20	8.92	9.38	10.15	11.3	12.7	13.61	13.63	11.6

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	4.23	142.4°	4.2
8	41.4°	5.18	143.9°	5.35
10	38.4°	5.73	149.3°	6.35
12	37°	5.98	152°	7.02
14	36°	6.11	149.1°	7.5
16	35.2°	6.24	146.6°	8.15
20	35°	6.37	143.5°	10.04

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°	6.46	7.63	8.07	8.30	8.46	8.58	8.92
60°	6.87	7.86	8.30	8.63	8.86	9.02	9.38
75°	7.20	8.02	8.55	9.10	9.53	9.80	10.15
90°	7.31	8.20	8.86	9.46	9.88	10.49	11.30
110°	7.07	8.08	8.80	9.65	10.56	11.46	12.70
120°	6.64	7.87	8.58	9.45	10.41	11.43	13.61
135°	5.78	7.28	8.13	8.86	9.76	10.84	13.63
150°	4.85	6.17	7.34	8.08	8.66	9.41	11.60