HAPPY ISLAND: ORC Rating

GPH

624.7

OSN

606.2

LOA

12.25 m

Displacement

8326 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6432

Medium

0.8723

High

0.9944

Triple Offshore

Low

0.8325

Medium

1.0883

High

1.216

Boat Specifications

Dimensions

Length overall: 12.25 m
Beam: 3.97 m
Draft: 1.87 m
Displacement: 8326 kg
Crew weight: 400 kg
Wetted surface: 32.4 m²

Sails

Mainsail: 42.1 m²
Genoa: 45.65 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 117.92 m²

Design

Type: Bavaria 39 Cr
Builder: Bavaria Yachts
Designer: J & J
Year built: 2004
Stability index: 124.5

Performance data

Polar CSV

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

6,45,4.666905,52,5.15,60,5.48,75,5.72,90,5.64,110,5.71,120,5.57,135,5.01,144.2,4.537251,150,4.25
8,43.2,5.528359,52,6.13,60,6.44,75,6.67,90,6.7,110,6.88,120,6.75,135,6.23,147.8,5.518834,150,5.4
10,42,6.136085,52,6.8,60,7.06,75,7.26,90,7.39,110,7.58,120,7.5,135,7.14,147.8,6.511516,150,6.36
12,41.2,6.525655,52,7.2,60,7.42,75,7.61,90,7.76,110,8,120,7.97,135,7.7,148.7,7.174131,150,7.07
14,40.6,6.677455,52,7.4,60,7.63,75,7.86,90,7.94,110,8.36,120,8.37,135,8.13,149.6,7.547706,150,7.52
16,40.5,6.772698,52,7.49,60,7.74,75,8.04,90,8.18,110,8.67,120,8.75,135,8.53,150,7.84,172.1,7.026687
20,40.8,6.816425,52,7.56,60,7.83,75,8.26,90,8.58,110,9.05,120,9.46,135,9.36,150,8.43,176.3,7.79625

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.15	5.48	5.72	5.64	5.71	5.57	5.01	4.25
8	6.13	6.44	6.67	6.7	6.88	6.75	6.23	5.4
10	6.8	7.06	7.26	7.39	7.58	7.5	7.14	6.36
12	7.2	7.42	7.61	7.76	8	7.97	7.7	7.07
14	7.4	7.63	7.86	7.94	8.36	8.37	8.13	7.52
16	7.49	7.74	8.04	8.18	8.67	8.75	8.53	7.84
20	7.56	7.83	8.26	8.58	9.05	9.46	9.36	8.43

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45°	3.3	144.2°	3.68
8	43.2°	4.03	147.8°	4.67
10	42°	4.56	147.8°	5.51
12	41.2°	4.91	148.7°	6.13
14	40.6°	5.07	149.6°	6.51
16	40.5°	5.15	172.1°	6.96
20	40.8°	5.16	176.3°	7.78

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°	5.15	6.13	6.80	7.20	7.40	7.49	7.56
60°	5.48	6.44	7.06	7.42	7.63	7.74	7.83
75°	5.72	6.67	7.26	7.61	7.86	8.04	8.26
90°	5.64	6.70	7.39	7.76	7.94	8.18	8.58
110°	5.71	6.88	7.58	8.00	8.36	8.67	9.05
120°	5.57	6.75	7.50	7.97	8.37	8.75	9.46
135°	5.01	6.23	7.14	7.70	8.13	8.53	9.36
150°	4.25	5.40	6.36	7.07	7.52	7.84	8.43