SOMNI: ORC Rating

GPH

585.8

OSN

569.9

LOA

12.95 m

Displacement

9713 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6888

Medium

0.9341

High

1.0791

Triple Offshore

Low

0.8925

Medium

1.158

High

1.2917

Boat Specifications

Dimensions

Length overall: 12.95 m
Beam: 3.92 m
Draft: 2.36 m
Displacement: 9713 kg
Crew weight: 460 kg
Wetted surface: 37.63 m²

Sails

Mainsail: 54.64 m²
Genoa: 57.6 m²
Spinnaker: 120.87 m²
Asymmetric spinnaker: 0 m²

Design

Type: GRAND SOLEIL 43 BC
Builder: grand soleil
Designer: BC
Year built: 2005

Performance data

Polar CSV

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

6,43.5,5.1146,52,5.67,60,6,75,6.28,90,6.24,110,5.9,120,5.75,135,5.19,141,4.851084,150,4.35
8,41.2,5.967452,52,6.73,60,7.06,75,7.3,90,7.29,110,7.17,120,7,135,6.42,148,5.612889,150,5.5
10,40.9,6.654729,52,7.42,60,7.66,75,7.84,90,7.87,110,7.92,120,7.83,135,7.4,150,6.524058
12,40.1,6.94189,52,7.69,60,7.92,75,8.12,90,8.19,110,8.32,120,8.28,135,7.99,150,7.38,154,7.176283
14,39.4,7.052884,52,7.8,60,8.02,75,8.29,90,8.44,110,8.64,120,8.67,135,8.39,150,7.96,163,7.424411
16,39,7.102913,52,7.86,60,8.08,75,8.39,90,8.66,110,8.85,120,9.07,135,8.79,150,8.34,180,7.72
20,38.8,7.159923,52,7.91,60,8.11,75,8.48,90,8.97,110,9.22,120,9.64,135,9.75,150,9.14,180,8.49

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.67	6	6.28	6.24	5.9	5.75	5.19	4.35
8	6.73	7.06	7.3	7.29	7.17	7	6.42	5.5
10	7.42	7.66	7.84	7.87	7.92	7.83	7.4	6.52
12	7.69	7.92	8.12	8.19	8.32	8.28	7.99	7.38
14	7.8	8.02	8.29	8.44	8.64	8.67	8.39	7.96
16	7.86	8.08	8.39	8.66	8.85	9.07	8.79	8.34
20	7.91	8.11	8.48	8.97	9.22	9.64	9.75	9.14

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.71	141°	3.77
8	41.2°	4.49	148°	4.76
10	40.9°	5.03	150°	5.65
12	40.1°	5.31	154°	6.45
14	39.4°	5.45	163°	7.1
16	39°	5.52	180°	7.72
20	38.8°	5.58	180°	8.49

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°	5.67	6.73	7.42	7.69	7.80	7.86	7.91
60°	6.00	7.06	7.66	7.92	8.02	8.08	8.11
75°	6.28	7.30	7.84	8.12	8.29	8.39	8.48
90°	6.24	7.29	7.87	8.19	8.44	8.66	8.97
110°	5.90	7.17	7.92	8.32	8.64	8.85	9.22
120°	5.75	7.00	7.83	8.28	8.67	9.07	9.64
135°	5.19	6.42	7.40	7.99	8.39	8.79	9.75
150°	4.35	5.50	6.52	7.38	7.96	8.34	9.14