PURPLE RAIN: ORC Rating

GPH

747.3

OSN

720.9

LOA

9.45 m

Displacement

4504 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5182

Medium

0.7276

High

0.8601

Triple Offshore

Low

0.6749

Medium

0.9191

High

1.0534

Boat Specifications

Dimensions

Length overall: 9.45 m
Beam: 3.02 m
Draft: 1.75 m
Displacement: 4504 kg
Crew weight: 350 kg
Wetted surface: 22.77 m²

Sails

Mainsail: 20.68 m²
Genoa: 22.58 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 59.81 m²

Design

Type: BAVARIA 31
Builder: BAVARIA
Designer: J & J
Year built: 2000

Performance data

Polar CSV

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

6,45.4,3.645929,52,3.99,60,4.25,75,4.42,90,4.71,110,4.79,120,4.61,135,4.13,144.5,3.734114,150,3.51
8,43.6,4.432649,52,4.9,60,5.17,75,5.38,90,5.75,110,5.87,120,5.71,135,5.23,145.4,4.762273,150,4.53
10,42.3,4.988974,52,5.55,60,5.83,75,6.06,90,6.46,110,6.58,120,6.48,135,6.1,145.7,5.616765,150,5.36
12,41.5,5.434233,52,6.05,60,6.29,75,6.49,90,6.83,110,6.98,120,6.93,135,6.67,146.2,6.245604,150,6
14,40.9,5.755084,52,6.37,60,6.58,75,6.77,90,7.02,110,7.3,120,7.27,135,7.05,148.1,6.549099,150,6.42
16,40.4,5.882829,52,6.53,60,6.74,75,6.97,90,7.13,110,7.58,120,7.59,135,7.37,150,6.75,171.6,6.085281
20,40.9,5.913845,52,6.57,60,6.82,75,7.19,90,7.4,110,7.92,120,8.19,135,8.01,150,7.27,176.3,6.794162
24,42.8,5.874096,52,6.49,60,6.8,75,7.24,90,7.62,110,8.16,120,8.64,135,8.73,150,7.77,176.5,7.293604

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.99	4.25	4.42	4.71	4.79	4.61	4.13	3.51
8	4.9	5.17	5.38	5.75	5.87	5.71	5.23	4.53
10	5.55	5.83	6.06	6.46	6.58	6.48	6.1	5.36
12	6.05	6.29	6.49	6.83	6.98	6.93	6.67	6
14	6.37	6.58	6.77	7.02	7.3	7.27	7.05	6.42
16	6.53	6.74	6.97	7.13	7.58	7.59	7.37	6.75
20	6.57	6.82	7.19	7.4	7.92	8.19	8.01	7.27
24	6.49	6.8	7.24	7.62	8.16	8.64	8.73	7.77

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.4°	2.56	144.5°	3.04
8	43.6°	3.21	145.4°	3.92
10	42.3°	3.69	145.7°	4.64
12	41.5°	4.07	146.2°	5.19
14	40.9°	4.35	148.1°	5.56
16	40.4°	4.48	171.6°	6.02
20	40.9°	4.47	176.3°	6.78
24	42.8°	4.31	176.5°	7.28

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 kt24 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)	Boat speed in 24 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	3.99	4.90	5.55	6.05	6.37	6.53	6.57	6.49
60°	4.25	5.17	5.83	6.29	6.58	6.74	6.82	6.80
75°	4.42	5.38	6.06	6.49	6.77	6.97	7.19	7.24
90°	4.71	5.75	6.46	6.83	7.02	7.13	7.40	7.62
110°	4.79	5.87	6.58	6.98	7.30	7.58	7.92	8.16
120°	4.61	5.71	6.48	6.93	7.27	7.59	8.19	8.64
135°	4.13	5.23	6.10	6.67	7.05	7.37	8.01	8.73
150°	3.51	4.53	5.36	6.00	6.42	6.75	7.27	7.77