HAMBURG II: ORC Rating

GPH

569.3

OSN

553.7

LOA

14.039 m

Displacement

11431 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6985

Medium

0.9624

High

1.1293

Triple Offshore

Low

0.9094

Medium

1.194

High

1.3512

Boat Specifications

Dimensions

Length overall: 14.039 m
Beam: 4.23 m
Draft: 2.35 m
Displacement: 11431 kg
Crew weight: 1143 kg
Wetted surface: 43.17 m²

Sails

Mainsail: 61.08 m²
Genoa: 67.21 m²
Spinnaker: 136.34 m²
Asymmetric spinnaker: 156.48 m²

Design

Type: J-46
Builder: TPI COMPOSITES
Designer: JOHNSTONE
Year built: 1995

Performance data

Polar CSV

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

6,43.5,5.18353,52,5.76,60,6.13,75,6.44,90,6.37,110,6.1,120,5.93,135,5.25,143,4.783158,150,4.41
8,42,6.136085,52,6.88,60,7.24,75,7.5,90,7.47,110,7.42,120,7.24,135,6.56,147,5.759115,150,5.58
10,41.2,6.91108,52,7.66,60,7.89,75,8.05,90,8.06,110,8.17,120,8.06,135,7.61,147,6.844165,150,6.63
12,39.8,7.27596,52,8,60,8.19,75,8.36,90,8.4,110,8.58,120,8.51,135,8.2,150,7.48,153,7.306344
14,38.4,7.400853,52,8.15,60,8.35,75,8.59,90,8.68,110,8.97,120,8.94,135,8.61,150,8.09,161,7.604293
16,37.5,7.449392,52,8.23,60,8.45,75,8.78,90,8.96,110,9.33,120,9.4,135,9.04,150,8.48,180,7.82
20,37.1,7.535257,52,8.31,60,8.54,75,8.98,90,9.44,110,9.8,120,10.27,135,10.04,150,9.28,180,8.63

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.76	6.13	6.44	6.37	6.1	5.93	5.25	4.41
8	6.88	7.24	7.5	7.47	7.42	7.24	6.56	5.58
10	7.66	7.89	8.05	8.06	8.17	8.06	7.61	6.63
12	8	8.19	8.36	8.4	8.58	8.51	8.2	7.48
14	8.15	8.35	8.59	8.68	8.97	8.94	8.61	8.09
16	8.23	8.45	8.78	8.96	9.33	9.4	9.04	8.48
20	8.31	8.54	8.98	9.44	9.8	10.27	10.04	9.28

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.76	143°	3.82
8	42°	4.56	147°	4.83
10	41.2°	5.2	147°	5.74
12	39.8°	5.59	153°	6.51
14	38.4°	5.8	161°	7.19
16	37.5°	5.91	180°	7.82
20	37.1°	6.01	180°	8.63

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°	5.76	6.88	7.66	8.00	8.15	8.23	8.31
60°	6.13	7.24	7.89	8.19	8.35	8.45	8.54
75°	6.44	7.50	8.05	8.36	8.59	8.78	8.98
90°	6.37	7.47	8.06	8.40	8.68	8.96	9.44
110°	6.10	7.42	8.17	8.58	8.97	9.33	9.80
120°	5.93	7.24	8.06	8.51	8.94	9.40	10.27
135°	5.25	6.56	7.61	8.20	8.61	9.04	10.04
150°	4.41	5.58	6.63	7.48	8.09	8.48	9.28