ROGUE WAVE: ORC Rating

GPH

666.3

OSN

647.6

LOA

10.863 m

Displacement

6176 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6775

Medium

0.928

High

1.0797

Triple Offshore

Low

0.8781

Medium

1.1465

High

1.287

Boat Specifications

Dimensions

Length overall: 10.863 m
Beam: 3.48 m
Draft: 1.93 m
Displacement: 6176 kg
Crew weight: 591 kg
Wetted surface: 25.67 m²

Sails

Mainsail: 36.08 m²
Genoa: 28.97 m²
Spinnaker: 85.77 m²
Asymmetric spinnaker: 71.11 m²

Design

Type: SIGMA 36 FR
Builder: Marine Projects UK
Designer: David Thomas
Year built: 1980

Performance data

Polar CSV

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

6,42.5,4.299603,52,4.83,60,5.1,75,5.3,90,5.36,110,5.38,120,5.22,135,4.71,146.5,4.089289,150,3.93
8,41.2,5.037114,52,5.69,60,5.99,75,6.23,90,6.4,110,6.49,120,6.34,135,5.73,150,4.95,151.6,4.865579
10,41,5.657805,52,6.35,60,6.58,75,6.75,90,6.95,110,7.04,120,6.96,135,6.65,148.7,5.96869,150,5.89
12,40.6,6.097952,52,6.7,60,6.88,75,7.03,90,7.24,110,7.38,120,7.32,135,7.09,150,6.68,157.4,6.358249
14,39.8,6.26071,52,6.87,60,7.05,75,7.23,90,7.41,110,7.69,120,7.66,135,7.42,150,7.08,180,6.49
16,39.3,6.319134,52,6.96,60,7.16,75,7.4,90,7.52,110,7.95,120,8.01,135,7.77,150,7.39,180,6.95
20,40,6.396496,52,7.01,60,7.23,75,7.63,90,7.89,110,8.3,120,8.54,135,8.47,150,8.05,180,7.57

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.83	5.1	5.3	5.36	5.38	5.22	4.71	3.93
8	5.69	5.99	6.23	6.4	6.49	6.34	5.73	4.95
10	6.35	6.58	6.75	6.95	7.04	6.96	6.65	5.89
12	6.7	6.88	7.03	7.24	7.38	7.32	7.09	6.68
14	6.87	7.05	7.23	7.41	7.69	7.66	7.42	7.08
16	6.96	7.16	7.4	7.52	7.95	8.01	7.77	7.39
20	7.01	7.23	7.63	7.89	8.3	8.54	8.47	8.05

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.5°	3.17	146.5°	3.41
8	41.2°	3.79	151.6°	4.28
10	41°	4.27	148.7°	5.1
12	40.6°	4.63	157.4°	5.87
14	39.8°	4.81	180°	6.49
16	39.3°	4.89	180°	6.95
20	40°	4.9	180°	7.57

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°	4.83	5.69	6.35	6.70	6.87	6.96	7.01
60°	5.10	5.99	6.58	6.88	7.05	7.16	7.23
75°	5.30	6.23	6.75	7.03	7.23	7.40	7.63
90°	5.36	6.40	6.95	7.24	7.41	7.52	7.89
110°	5.38	6.49	7.04	7.38	7.69	7.95	8.30
120°	5.22	6.34	6.96	7.32	7.66	8.01	8.54
135°	4.71	5.73	6.65	7.09	7.42	7.77	8.47
150°	3.93	4.95	5.89	6.68	7.08	7.39	8.05