DANCING BEAR: ORC Rating

GPH

619.9

OSN

603

LOA

11.918 m

Displacement

6988 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6673

Medium

0.8917

High

1.0182

Triple Offshore

Low

0.8535

Medium

1.0888

High

1.2074

Boat Specifications

Dimensions

Length overall: 11.918 m
Beam: 3.88 m
Draft: 2.41 m
Displacement: 6988 kg
Crew weight: 650 kg
Wetted surface: 29.64 m²

Sails

Mainsail: 37.48 m²
Genoa: 56.25 m²
Spinnaker: 112.81 m²
Asymmetric spinnaker: 0 m²

Design

Type: Northeast 39
Builder: C&C Custom
Designer: Rob Ball
Year built: 1984

Performance data

Polar CSV

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

6,41.2,4.824466,52,5.42,60,5.69,75,5.9,90,5.82,110,5.55,120,5.41,135,4.94,146,4.414758,150,4.23
8,40.5,5.681176,52,6.41,60,6.65,75,6.8,90,6.77,110,6.72,120,6.58,135,6.06,150,5.27,150.5,5.239237
10,40.1,6.327447,52,6.94,60,7.1,75,7.22,90,7.23,110,7.31,120,7.24,135,6.92,150,6.21,151,6.151245
12,39,6.536739,52,7.16,60,7.32,75,7.48,90,7.51,110,7.68,120,7.64,135,7.39,150,6.95,157,6.637662
14,38.2,6.604256,52,7.26,60,7.44,75,7.68,90,7.77,110,8.01,120,8.04,135,7.78,150,7.38,174,6.767071
16,38.1,6.671453,52,7.31,60,7.51,75,7.84,90,8,110,8.22,120,8.4,135,8.18,150,7.74,180,7.21
20,38.1,6.684161,52,7.33,60,7.57,75,7.98,90,8.36,110,8.53,120,8.85,135,8.94,150,8.48,180,7.92

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.42	5.69	5.9	5.82	5.55	5.41	4.94	4.23
8	6.41	6.65	6.8	6.77	6.72	6.58	6.06	5.27
10	6.94	7.1	7.22	7.23	7.31	7.24	6.92	6.21
12	7.16	7.32	7.48	7.51	7.68	7.64	7.39	6.95
14	7.26	7.44	7.68	7.77	8.01	8.04	7.78	7.38
16	7.31	7.51	7.84	8	8.22	8.4	8.18	7.74
20	7.33	7.57	7.98	8.36	8.53	8.85	8.94	8.48

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.2°	3.63	146°	3.66
8	40.5°	4.32	150.5°	4.56
10	40.1°	4.84	151°	5.38
12	39°	5.08	157°	6.11
14	38.2°	5.19	174°	6.73
16	38.1°	5.25	180°	7.21
20	38.1°	5.26	180°	7.92

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°	5.42	6.41	6.94	7.16	7.26	7.31	7.33
60°	5.69	6.65	7.10	7.32	7.44	7.51	7.57
75°	5.90	6.80	7.22	7.48	7.68	7.84	7.98
90°	5.82	6.77	7.23	7.51	7.77	8.00	8.36
110°	5.55	6.72	7.31	7.68	8.01	8.22	8.53
120°	5.41	6.58	7.24	7.64	8.04	8.40	8.85
135°	4.94	6.06	6.92	7.39	7.78	8.18	8.94
150°	4.23	5.27	6.21	6.95	7.38	7.74	8.48