ALFRAN: ORC Rating

GPH

629

OSN

610

LOA

11.99 m

Displacement

8500 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6296

Medium

0.8661

High

1.0015

Triple Offshore

Low

0.8188

Medium

1.085

High

1.222

Boat Specifications

Dimensions

Length overall: 11.99 m
Beam: 3.97 m
Draft: 2.06 m
Displacement: 8500 kg
Crew weight: 450 kg
Wetted surface: 34.58 m²

Sails

Mainsail: 39.5 m²
Genoa: 43.15 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 0 m²

Design

Type: Bavaria 40 Cruiser
Builder: Bavaria Yachts
Designer: J & J
Year built: 2007
Stability index: 126.5

Performance data

Polar CSV

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

6,44.8,4.890281,52,5.39,60,5.72,75,5.95,90,5.84,110,5.26,120,5.07,135,4.51,145.1,4.035838,150,3.82
8,43,5.797468,52,6.43,60,6.71,75,6.91,90,6.85,110,6.49,120,6.29,135,5.72,146.9,5.121051,150,4.96
10,41.4,6.385721,52,7.08,60,7.3,75,7.46,90,7.47,110,7.33,120,7.19,135,6.7,147.1,6.097998,150,5.91
12,40.6,6.690626,52,7.4,60,7.61,75,7.8,90,7.84,110,7.84,120,7.75,135,7.41,147.1,6.884068,150,6.68
14,39.9,6.817307,52,7.54,60,7.77,75,8.02,90,8.12,110,8.22,120,8.14,135,7.87,148.4,7.338033,150,7.21
16,39.4,6.871709,52,7.61,60,7.85,75,8.17,90,8.36,110,8.57,120,8.52,135,8.25,150,7.62,171.2,6.840524
20,39.3,6.913572,52,7.67,60,7.93,75,8.33,90,8.71,110,9.21,120,9.28,135,9.01,150,8.22,174.8,7.701697

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.39	5.72	5.95	5.84	5.26	5.07	4.51	3.82
8	6.43	6.71	6.91	6.85	6.49	6.29	5.72	4.96
10	7.08	7.3	7.46	7.47	7.33	7.19	6.7	5.91
12	7.4	7.61	7.8	7.84	7.84	7.75	7.41	6.68
14	7.54	7.77	8.02	8.12	8.22	8.14	7.87	7.21
16	7.61	7.85	8.17	8.36	8.57	8.52	8.25	7.62
20	7.67	7.93	8.33	8.71	9.21	9.28	9.01	8.22

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.8°	3.47	145.1°	3.31
8	43°	4.24	146.9°	4.29
10	41.4°	4.79	147.1°	5.12
12	40.6°	5.08	147.1°	5.78
14	39.9°	5.23	148.4°	6.25
16	39.4°	5.31	171.2°	6.76
20	39.3°	5.35	174.8°	7.67

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°	5.39	6.43	7.08	7.40	7.54	7.61	7.67
60°	5.72	6.71	7.30	7.61	7.77	7.85	7.93
75°	5.95	6.91	7.46	7.80	8.02	8.17	8.33
90°	5.84	6.85	7.47	7.84	8.12	8.36	8.71
110°	5.26	6.49	7.33	7.84	8.22	8.57	9.21
120°	5.07	6.29	7.19	7.75	8.14	8.52	9.28
135°	4.51	5.72	6.70	7.41	7.87	8.25	9.01
150°	3.82	4.96	5.91	6.68	7.21	7.62	8.22