MAC: ORC Rating

GPH

507.7

OSN

496.4

LOA

12.347 m

Displacement

4344 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8169

Medium

1.0576

High

1.2278

Triple Offshore

Low

1.0525

Medium

1.3181

High

1.5036

Boat Specifications

Dimensions

Length overall: 12.347 m
Beam: 3.8 m
Draft: 2.61 m
Displacement: 4344 kg
Crew weight: 822 kg
Wetted surface: 30.51 m²

Sails

Mainsail: 64.19 m²
Genoa: 43.26 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 182.47 m²

Design

Type: S 40 OD
Builder: M BOATS
Designer: SOTO ACEBAL
Year built: 2008
Stability index: 128.2

Performance data

Polar CSV

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

6,43,6.043587,52,6.73,60,7.11,75,7.39,90,7.29,110,7.07,120,6.9,135,6.18,142.1,5.677468,150,5.18
8,40.2,6.821193,52,7.7,60,8.02,75,8.28,90,8.25,110,8.24,120,8.23,135,7.8,144.2,7.040137,150,6.59
10,39.3,7.172023,52,8.05,60,8.37,75,8.83,90,8.99,110,8.87,120,9.14,135,8.8,147.8,7.953267,150,7.77
12,38.8,7.339563,52,8.24,60,8.59,75,9.17,90,9.62,110,9.41,120,9.8,135,9.88,150,8.74,150.5,8.697593
14,38.7,7.457423,52,8.36,60,8.75,75,9.42,90,10.03,110,10.02,120,10.43,135,11.03,147.8,9.950447,150,9.72
16,39,7.540411,52,8.44,60,8.87,75,9.61,90,10.37,110,10.89,120,11.05,135,12.07,146.4,11.345611,150,10.92
20,39.4,7.60935,52,8.46,60,8.97,75,9.87,90,10.84,110,12.21,120,12.26,135,13.77,146.7,14.26166,150,13.77

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.73	7.11	7.39	7.29	7.07	6.9	6.18	5.18
8	7.7	8.02	8.28	8.25	8.24	8.23	7.8	6.59
10	8.05	8.37	8.83	8.99	8.87	9.14	8.8	7.77
12	8.24	8.59	9.17	9.62	9.41	9.8	9.88	8.74
14	8.36	8.75	9.42	10.03	10.02	10.43	11.03	9.72
16	8.44	8.87	9.61	10.37	10.89	11.05	12.07	10.92
20	8.46	8.97	9.87	10.84	12.21	12.26	13.77	13.77

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	4.42	142.1°	4.48
8	40.2°	5.21	144.2°	5.71
10	39.3°	5.55	147.8°	6.73
12	38.8°	5.72	150.5°	7.57
14	38.7°	5.82	147.8°	8.42
16	39°	5.86	146.4°	9.45
20	39.4°	5.88	146.7°	11.92

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°	6.73	7.70	8.05	8.24	8.36	8.44	8.46
60°	7.11	8.02	8.37	8.59	8.75	8.87	8.97
75°	7.39	8.28	8.83	9.17	9.42	9.61	9.87
90°	7.29	8.25	8.99	9.62	10.03	10.37	10.84
110°	7.07	8.24	8.87	9.41	10.02	10.89	12.21
120°	6.90	8.23	9.14	9.80	10.43	11.05	12.26
135°	6.18	7.80	8.80	9.88	11.03	12.07	13.77
150°	5.18	6.59	7.77	8.74	9.72	10.92	13.77