Never ready: ORC Rating

GPH

596.3

OSN

582.5

LOA

8.458 m

Displacement

1142 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7025

Medium

0.8934

High

1.0404

Triple Offshore

Low

0.901

Medium

1.1187

High

1.2834

Boat Specifications

Dimensions

Length overall: 8.458 m
Beam: 2.82 m
Draft: 1.81 m
Displacement: 1142 kg
Crew weight: 360 kg
Wetted surface: 13.8 m²

Sails

Mainsail: 32.14 m²
Genoa: 12.43 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 63.71 m²

Design

Type: ANTRIM 27
Builder: La Selva Beach CA.
Designer: Antrim
Year built: 2001
Stability index: 104.2

Performance data

Polar CSV

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

6,43.6,4.957387,52,5.5,60,5.83,75,6.16,90,6.4,110,6.3,120,6.1,135,5.56,143.9,5.037192,150,4.7
8,40.8,5.772825,52,6.4,60,6.6,75,6.77,90,7.09,110,7.14,120,7.05,135,6.63,147.8,6.015175,150,5.88
10,39.4,6.004657,52,6.64,60,6.92,75,7.37,90,7.52,110,8.05,120,7.98,135,7.48,150,6.68,155.6,6.412765
12,39,6.09924,52,6.75,60,7.08,75,7.66,90,8.15,110,8.64,120,8.9,135,8.58,150,7.42,153.2,7.214993
14,39,6.163578,52,6.83,60,7.18,75,7.83,90,8.53,110,9.17,120,9.68,135,9.86,145.6,8.77455,150,8.36
16,38.8,6.197568,52,6.95,60,7.36,75,7.95,90,8.78,110,9.61,120,10.36,135,10.97,139.7,10.85662,150,9.55
20,39.6,6.268549,52,7.02,60,7.47,75,8.32,90,9.2,110,10.7,120,11.46,135,13.37,145.7,13.739285,150,13.11

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.5	5.83	6.16	6.4	6.3	6.1	5.56	4.7
8	6.4	6.6	6.77	7.09	7.14	7.05	6.63	5.88
10	6.64	6.92	7.37	7.52	8.05	7.98	7.48	6.68
12	6.75	7.08	7.66	8.15	8.64	8.9	8.58	7.42
14	6.83	7.18	7.83	8.53	9.17	9.68	9.86	8.36
16	6.95	7.36	7.95	8.78	9.61	10.36	10.97	9.55
20	7.02	7.47	8.32	9.2	10.7	11.46	13.37	13.11

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.59	143.9°	4.07
8	40.8°	4.37	147.8°	5.09
10	39.4°	4.64	155.6°	5.84
12	39°	4.74	153.2°	6.44
14	39°	4.79	145.6°	7.24
16	38.8°	4.83	139.7°	8.28
20	39.6°	4.83	145.7°	11.35

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°	5.50	6.40	6.64	6.75	6.83	6.95	7.02
60°	5.83	6.60	6.92	7.08	7.18	7.36	7.47
75°	6.16	6.77	7.37	7.66	7.83	7.95	8.32
90°	6.40	7.09	7.52	8.15	8.53	8.78	9.20
110°	6.30	7.14	8.05	8.64	9.17	9.61	10.70
120°	6.10	7.05	7.98	8.90	9.68	10.36	11.46
135°	5.56	6.63	7.48	8.58	9.86	10.97	13.37
150°	4.70	5.88	6.68	7.42	8.36	9.55	13.11