Sea-girl: ORC Rating

GPH

637.2

OSN

620.8

LOA

10.961 m

Displacement

4650 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7197

Medium

0.971

High

1.1097

Triple Offshore

Low

0.9323

Medium

1.1938

High

1.3238

Boat Specifications

Dimensions

Length overall: 10.961 m
Beam: 3.04 m
Draft: 1.85 m
Displacement: 4650 kg
Crew weight: 625 kg
Wetted surface: 23.34 m²

Sails

Mainsail: 33.26 m²
Genoa: 34.64 m²
Spinnaker: 74.13 m²
Asymmetric spinnaker: 0 m²

Design

Type: COMFORTINA 36
Builder: Comfortbåtar Marin
Designer: Rolf Magnusson
Year built: 1985

Performance data

Polar CSV

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

6,42.5,4.720069,52,5.29,60,5.59,75,5.84,90,5.75,110,5.52,120,5.34,135,4.8,144.8,4.246493,150,4.01
8,41.3,5.577266,52,6.26,60,6.52,75,6.7,90,6.7,110,6.68,120,6.53,135,5.93,149.5,5.106605,150,5.08
10,40.7,6.146668,52,6.76,60,6.94,75,7.09,90,7.12,110,7.21,120,7.14,135,6.81,149.7,6.069061,150,6.05
12,39.6,6.307484,52,6.95,60,7.13,75,7.32,90,7.39,110,7.57,120,7.52,135,7.26,150,6.83,157.2,6.508558
14,39.1,6.404256,52,7.04,60,7.23,75,7.49,90,7.63,110,7.89,120,7.91,135,7.63,150,7.24,180,6.63
16,38.7,6.432348,52,7.08,60,7.28,75,7.6,90,7.86,110,8.1,120,8.31,135,8.05,150,7.59,180,7.1
20,38.6,6.461763,52,7.1,60,7.31,75,7.71,90,8.18,110,8.46,120,8.85,135,9,150,8.4,180,7.79

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.29	5.59	5.84	5.75	5.52	5.34	4.8	4.01
8	6.26	6.52	6.7	6.7	6.68	6.53	5.93	5.08
10	6.76	6.94	7.09	7.12	7.21	7.14	6.81	6.05
12	6.95	7.13	7.32	7.39	7.57	7.52	7.26	6.83
14	7.04	7.23	7.49	7.63	7.89	7.91	7.63	7.24
16	7.08	7.28	7.6	7.86	8.1	8.31	8.05	7.59
20	7.1	7.31	7.71	8.18	8.46	8.85	9	8.4

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.5°	3.48	144.8°	3.47
8	41.3°	4.19	149.5°	4.4
10	40.7°	4.66	149.7°	5.24
12	39.6°	4.86	157.2°	6
14	39.1°	4.97	180°	6.63
16	38.7°	5.02	180°	7.1
20	38.6°	5.05	180°	7.79

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°	5.29	6.26	6.76	6.95	7.04	7.08	7.10
60°	5.59	6.52	6.94	7.13	7.23	7.28	7.31
75°	5.84	6.70	7.09	7.32	7.49	7.60	7.71
90°	5.75	6.70	7.12	7.39	7.63	7.86	8.18
110°	5.52	6.68	7.21	7.57	7.89	8.10	8.46
120°	5.34	6.53	7.14	7.52	7.91	8.31	8.85
135°	4.80	5.93	6.81	7.26	7.63	8.05	9.00
150°	4.01	5.08	6.05	6.83	7.24	7.59	8.40