JOBIC IV: ORC Rating

GPH

618.8

OSN

602.5

LOA

11.98 m

Displacement

8000 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7396

Medium

0.9954

High

1.1398

Triple Offshore

Low

0.9551

Medium

1.231

High

1.3667

Boat Specifications

Dimensions

Length overall: 11.98 m
Beam: 3.9 m
Draft: 2.01 m
Displacement: 8000 kg
Crew weight: 757 kg
Wetted surface: 32.24 m²

Sails

Mainsail: 44.86 m²
Genoa: 47.65 m²
Spinnaker: 108.22 m²
Asymmetric spinnaker: 0 m²

Design

Type: HANSE 401
Builder: GREYSWALD
Designer: JOUBERT/NIVELT
Year built: 1980

Performance data

Polar CSV

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

6,43.1,4.779759,52,5.34,60,5.63,75,5.88,90,5.83,110,5.68,120,5.53,135,5.02,145.1,4.486974,150,4.24
8,41.9,5.615928,52,6.3,60,6.64,75,6.87,90,6.85,110,6.88,120,6.72,135,6.15,149.9,5.340106,150,5.34
10,41.7,6.268096,52,6.97,60,7.2,75,7.37,90,7.4,110,7.52,120,7.43,135,7.07,150,6.29,151.3,6.213332
12,41.4,6.612354,52,7.25,60,7.45,75,7.63,90,7.7,110,7.88,120,7.83,135,7.57,150,7.1,155.7,6.813669
14,40.7,6.700659,52,7.35,60,7.56,75,7.82,90,7.94,110,8.2,120,8.2,135,7.93,150,7.56,172,6.927417
16,40.5,6.746396,52,7.4,60,7.62,75,7.94,90,8.16,110,8.43,120,8.58,135,8.31,150,7.89,180,7.39
20,40.6,6.769649,52,7.41,60,7.65,75,8.05,90,8.5,110,8.78,120,9.13,135,9.14,150,8.63,180,8.06

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.34	5.63	5.88	5.83	5.68	5.53	5.02	4.24
8	6.3	6.64	6.87	6.85	6.88	6.72	6.15	5.34
10	6.97	7.2	7.37	7.4	7.52	7.43	7.07	6.29
12	7.25	7.45	7.63	7.7	7.88	7.83	7.57	7.1
14	7.35	7.56	7.82	7.94	8.2	8.2	7.93	7.56
16	7.4	7.62	7.94	8.16	8.43	8.58	8.31	7.89
20	7.41	7.65	8.05	8.5	8.78	9.13	9.14	8.63

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.49	145.1°	3.68
8	41.9°	4.18	149.9°	4.62
10	41.7°	4.68	151.3°	5.45
12	41.4°	4.96	155.7°	6.21
14	40.7°	5.08	172°	6.86
16	40.5°	5.13	180°	7.39
20	40.6°	5.14	180°	8.06

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°	5.34	6.30	6.97	7.25	7.35	7.40	7.41
60°	5.63	6.64	7.20	7.45	7.56	7.62	7.65
75°	5.88	6.87	7.37	7.63	7.82	7.94	8.05
90°	5.83	6.85	7.40	7.70	7.94	8.16	8.50
110°	5.68	6.88	7.52	7.88	8.20	8.43	8.78
120°	5.53	6.72	7.43	7.83	8.20	8.58	9.13
135°	5.02	6.15	7.07	7.57	7.93	8.31	9.14
150°	4.24	5.34	6.29	7.10	7.56	7.89	8.63