Nautical Circle: ORC Rating

GPH

568.1

OSN

551.6

LOA

11.98 m

Displacement

6462 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8015

Medium

1.0877

High

1.2377

Triple Offshore

Low

1.0363

Medium

1.3422

High

1.507

Boat Specifications

Dimensions

Length overall: 11.98 m
Beam: 3.76 m
Draft: 2.4 m
Displacement: 6462 kg
Crew weight: 863 kg
Wetted surface: 32.39 m²

Sails

Mainsail: 49.46 m²
Genoa: 39.34 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 144.48 m²

Design

Type: Archambault 40
Builder: Archambault
Designer: Nivelt
Year built: 2003

Performance data

Polar CSV

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

6,42.6,5.067266,52,5.7,60,6.04,75,6.31,90,6.22,110,6.3,120,6.15,135,5.49,143.4,4.994909,150,4.63
8,40.9,6.019685,52,6.8,60,7.11,75,7.34,90,7.44,110,7.56,120,7.44,135,6.84,146.4,6.038986,150,5.81
10,39.9,6.765167,52,7.5,60,7.7,75,7.85,90,7.95,110,8.16,120,8.08,135,7.74,147.9,7.047392,150,6.89
12,38.1,7.039971,52,7.8,60,7.99,75,8.18,90,8.21,110,8.65,120,8.63,135,8.26,150,7.68,150.8,7.618091
14,37.3,7.152973,52,7.92,60,8.15,75,8.47,90,8.57,110,9.02,120,9.25,135,8.83,150,8.07,151.8,7.954127
16,37,7.212301,52,7.99,60,8.24,75,8.69,90,8.96,110,9.31,120,9.79,135,9.51,150,8.45,175.8,7.520196
20,36.7,7.383612,52,8.11,60,8.34,75,8.9,90,9.58,110,9.93,120,10.53,135,11.2,143.2,10.440455,150,9.65

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.7	6.04	6.31	6.22	6.3	6.15	5.49	4.63
8	6.8	7.11	7.34	7.44	7.56	7.44	6.84	5.81
10	7.5	7.7	7.85	7.95	8.16	8.08	7.74	6.89
12	7.8	7.99	8.18	8.21	8.65	8.63	8.26	7.68
14	7.92	8.15	8.47	8.57	9.02	9.25	8.83	8.07
16	7.99	8.24	8.69	8.96	9.31	9.79	9.51	8.45
20	8.11	8.34	8.9	9.58	9.93	10.53	11.2	9.65

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.73	143.4°	4.01
8	40.9°	4.55	146.4°	5.03
10	39.9°	5.19	147.9°	5.97
12	38.1°	5.54	150.8°	6.65
14	37.3°	5.69	151.8°	7.01
16	37°	5.76	175.8°	7.5
20	36.7°	5.92	143.2°	8.36

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°	5.70	6.80	7.50	7.80	7.92	7.99	8.11
60°	6.04	7.11	7.70	7.99	8.15	8.24	8.34
75°	6.31	7.34	7.85	8.18	8.47	8.69	8.90
90°	6.22	7.44	7.95	8.21	8.57	8.96	9.58
110°	6.30	7.56	8.16	8.65	9.02	9.31	9.93
120°	6.15	7.44	8.08	8.63	9.25	9.79	10.53
135°	5.49	6.84	7.74	8.26	8.83	9.51	11.20
150°	4.63	5.81	6.89	7.68	8.07	8.45	9.65