BATANGA VII: ORC Rating

GPH

600.2

OSN

582.4

LOA

12.5 m

Displacement

7468 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6748

Medium

0.9197

High

1.0639

Triple Offshore

Low

0.8692

Medium

1.1296

High

1.2691

Boat Specifications

Dimensions

Length overall: 12.5 m
Beam: 3.89 m
Draft: 2.21 m
Displacement: 7468 kg
Crew weight: 800 kg
Wetted surface: 31.43 m²

Sails

Mainsail: 40.41 m²
Genoa: 50.84 m²
Spinnaker: 119.94 m²
Asymmetric spinnaker: 0 m²

Design

Type: X-412
Builder: X YACHTS
Designer: JEPPESEN
Year built: 1990

Performance data

Polar CSV

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

6,42.4,4.847957,52,5.45,60,5.77,75,6.03,90,5.94,110,5.75,120,5.62,135,5.12,145,4.60232,150,4.35
8,41.2,5.728222,52,6.48,60,6.8,75,7.01,90,6.98,110,6.99,120,6.86,135,6.31,149.5,5.477995,150,5.45
10,40.9,6.495968,52,7.16,60,7.36,75,7.5,90,7.51,110,7.65,120,7.58,135,7.24,150,6.454776
12,39.4,6.819944,52,7.48,60,7.65,75,7.8,90,7.82,110,8.06,120,8.01,135,7.74,150,7.25,155,6.995416
14,38.6,6.947995,52,7.63,60,7.83,75,8.05,90,8.1,110,8.44,120,8.45,135,8.15,150,7.72,170,7.067369
16,38.2,7.011455,52,7.7,60,7.93,75,8.25,90,8.38,110,8.7,120,8.88,135,8.59,150,8.1,180,7.5
20,38.6,7.07595,52,7.75,60,8.01,75,8.47,90,8.84,110,9.09,120,9.48,135,9.49,150,8.91,180,8.25

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.45	5.77	6.03	5.94	5.75	5.62	5.12	4.35
8	6.48	6.8	7.01	6.98	6.99	6.86	6.31	5.45
10	7.16	7.36	7.5	7.51	7.65	7.58	7.24	6.45
12	7.48	7.65	7.8	7.82	8.06	8.01	7.74	7.25
14	7.63	7.83	8.05	8.1	8.44	8.45	8.15	7.72
16	7.7	7.93	8.25	8.38	8.7	8.88	8.59	8.1
20	7.75	8.01	8.47	8.84	9.09	9.48	9.49	8.91

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.58	145°	3.77
8	41.2°	4.31	149.5°	4.72
10	40.9°	4.91	150°	5.59
12	39.4°	5.27	155°	6.34
14	38.6°	5.43	170°	6.96
16	38.2°	5.51	180°	7.5
20	38.6°	5.53	180°	8.25

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°	5.45	6.48	7.16	7.48	7.63	7.70	7.75
60°	5.77	6.80	7.36	7.65	7.83	7.93	8.01
75°	6.03	7.01	7.50	7.80	8.05	8.25	8.47
90°	5.94	6.98	7.51	7.82	8.10	8.38	8.84
110°	5.75	6.99	7.65	8.06	8.44	8.70	9.09
120°	5.62	6.86	7.58	8.01	8.45	8.88	9.48
135°	5.12	6.31	7.24	7.74	8.15	8.59	9.49
150°	4.35	5.45	6.45	7.25	7.72	8.10	8.91