Black Star: ORC Rating

GPH

616.1

OSN

597.1

LOA

11.977 m

Displacement

8681 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6426

Medium

0.8857

High

1.0341

Triple Offshore

Low

0.8354

Medium

1.1064

High

1.2526

Boat Specifications

Dimensions

Length overall: 11.977 m
Beam: 3.94 m
Draft: 2.25 m
Displacement: 8681 kg
Crew weight: 778 kg
Wetted surface: 35.66 m²

Sails

Mainsail: 51.57 m²
Genoa: 33.43 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 102.89 m²

Design

Type: Bavaria CR 41S
Builder: Bavaria
Designer: Farr
Year built: 2010
Stability index: 120.3

Performance data

Polar CSV

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

6,43.6,4.584547,52,5.13,60,5.45,75,5.69,90,5.81,110,5.79,120,5.59,135,5,143.9,4.52976,150,4.23
8,41.8,5.43277,52,6.12,60,6.45,75,6.72,90,6.98,110,7.02,120,6.81,135,6.18,147.8,5.471564,150,5.34
10,41.4,6.172419,52,6.9,60,7.18,75,7.38,90,7.66,110,7.7,120,7.58,135,7.15,147.8,6.44061,150,6.29
12,40.5,6.706944,52,7.38,60,7.58,75,7.73,90,8.01,110,8.11,120,8.02,135,7.72,148.7,7.162428,150,7.07
14,39.3,6.926495,52,7.62,60,7.81,75,7.98,90,8.21,110,8.5,120,8.42,135,8.1,150,7.56,151,7.488969
16,39.3,7.042798,52,7.72,60,7.94,75,8.2,90,8.34,110,8.89,120,8.85,135,8.5,150,7.88,173,7.143245
20,39.3,7.094488,52,7.78,60,8.02,75,8.46,90,8.82,110,9.36,120,9.73,135,9.37,150,8.47,177.2,7.899431

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.13	5.45	5.69	5.81	5.79	5.59	5	4.23
8	6.12	6.45	6.72	6.98	7.02	6.81	6.18	5.34
10	6.9	7.18	7.38	7.66	7.7	7.58	7.15	6.29
12	7.38	7.58	7.73	8.01	8.11	8.02	7.72	7.07
14	7.62	7.81	7.98	8.21	8.5	8.42	8.1	7.56
16	7.72	7.94	8.2	8.34	8.89	8.85	8.5	7.88
20	7.78	8.02	8.46	8.82	9.36	9.73	9.37	8.47

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.32	143.9°	3.66
8	41.8°	4.05	147.8°	4.63
10	41.4°	4.63	147.8°	5.45
12	40.5°	5.1	148.7°	6.12
14	39.3°	5.36	151°	6.55
16	39.3°	5.45	173°	7.09
20	39.3°	5.49	177.2°	7.89

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°	5.13	6.12	6.90	7.38	7.62	7.72	7.78
60°	5.45	6.45	7.18	7.58	7.81	7.94	8.02
75°	5.69	6.72	7.38	7.73	7.98	8.20	8.46
90°	5.81	6.98	7.66	8.01	8.21	8.34	8.82
110°	5.79	7.02	7.70	8.11	8.50	8.89	9.36
120°	5.59	6.81	7.58	8.02	8.42	8.85	9.73
135°	5.00	6.18	7.15	7.72	8.10	8.50	9.37
150°	4.23	5.34	6.29	7.07	7.56	7.88	8.47