SERAPHIN: ORC Rating

GPH

610.3

OSN

595.3

LOA

11.47 m

Displacement

5600 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6385

Medium

0.8786

High

1.0184

Triple Offshore

Low

0.8448

Medium

1.1159

High

1.2695

Boat Specifications

Dimensions

Length overall: 11.47 m
Beam: 4.14 m
Draft: 2.1 m
Displacement: 5600 kg
Crew weight: 400 kg
Wetted surface: 34.71 m²

Sails

Mainsail: 41.24 m²
Genoa: 40.44 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 70.62 m²

Design

Type: Opium 39
Builder: Wauquiez
Designer: Lombard
Year built: 2004

Performance data

Polar CSV

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

6,45.4,5.07012,52,5.58,60,6,75,6.39,90,6.41,110,5.72,120,5.19,135,4.56,145,4.052972,150,3.83
8,44.2,6.0956,52,6.72,60,7.12,75,7.44,90,7.45,110,6.79,120,6.44,135,5.78,146.5,5.144589,150,4.96
10,42.8,6.63732,52,7.35,60,7.68,75,7.94,90,7.95,110,7.59,120,7.4,135,6.81,147,6.116824,150,5.93
12,40.9,6.82672,52,7.61,60,7.9,75,8.28,90,8.38,110,8.12,120,7.96,135,7.58,147.2,6.983385,150,6.77
14,40.1,6.94189,52,7.73,60,8.02,75,8.49,90,8.83,110,8.67,120,8.48,135,8.06,149.2,7.450872,150,7.39
16,39.9,6.986762,52,7.8,60,8.11,75,8.61,90,9.14,110,9.31,120,9.09,135,8.57,150,7.82,171.5,7.067632
20,40.5,7.009414,52,7.79,60,8.16,75,8.78,90,9.6,110,10.39,120,10.63,135,9.82,150,8.63,175,7.960291

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.58	6	6.39	6.41	5.72	5.19	4.56	3.83
8	6.72	7.12	7.44	7.45	6.79	6.44	5.78	4.96
10	7.35	7.68	7.94	7.95	7.59	7.4	6.81	5.93
12	7.61	7.9	8.28	8.38	8.12	7.96	7.58	6.77
14	7.73	8.02	8.49	8.83	8.67	8.48	8.06	7.39
16	7.8	8.11	8.61	9.14	9.31	9.09	8.57	7.82
20	7.79	8.16	8.78	9.6	10.39	10.63	9.82	8.63

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.4°	3.56	145°	3.32
8	44.2°	4.37	146.5°	4.29
10	42.8°	4.87	147°	5.13
12	40.9°	5.16	147.2°	5.87
14	40.1°	5.31	149.2°	6.4
16	39.9°	5.36	171.5°	6.99
20	40.5°	5.33	175°	7.93

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°	5.58	6.72	7.35	7.61	7.73	7.80	7.79
60°	6.00	7.12	7.68	7.90	8.02	8.11	8.16
75°	6.39	7.44	7.94	8.28	8.49	8.61	8.78
90°	6.41	7.45	7.95	8.38	8.83	9.14	9.60
110°	5.72	6.79	7.59	8.12	8.67	9.31	10.39
120°	5.19	6.44	7.40	7.96	8.48	9.09	10.63
135°	4.56	5.78	6.81	7.58	8.06	8.57	9.82
150°	3.83	4.96	5.93	6.77	7.39	7.82	8.63