AMERICA JANE II: ORC Rating

GPH

651.1

OSN

632.7

LOA

11.738 m

Displacement

6680 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6279

Medium

0.848

High

0.9828

Triple Offshore

Low

0.8045

Medium

1.0392

High

1.1638

Boat Specifications

Dimensions

Length overall: 11.738 m
Beam: 3.56 m
Draft: 1.95 m
Displacement: 6680 kg
Crew weight: 590 kg
Wetted surface: 27.38 m²

Sails

Mainsail: 29.83 m²
Genoa: 48.69 m²
Spinnaker: 107.68 m²
Asymmetric spinnaker: 0 m²

Design

Type: one-off 1-ton
Builder: Jachtw. Huisman
Designer: Sparkman%Stephens
Year built: 1973

Performance data

Polar CSV

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

6,42,4.494413,52,5.01,60,5.28,75,5.49,90,5.42,110,5.35,120,5.22,135,4.77,147,4.23289,150,4.1
8,40.9,5.212651,52,5.92,60,6.21,75,6.4,90,6.38,110,6.48,120,6.36,135,5.85,150,5.1,151,5.042191
10,41.6,5.977549,52,6.56,60,6.74,75,6.87,90,6.92,110,7.06,120,7,135,6.72,150,6.01599
12,40.1,6.275155,52,6.86,60,7.01,75,7.14,90,7.18,110,7.42,120,7.38,135,7.16,150,6.75,157,6.442117
14,39.4,6.418771,52,7.01,60,7.17,75,7.35,90,7.41,110,7.73,120,7.74,135,7.51,150,7.15,174,6.565969
16,38.6,6.461763,52,7.08,60,7.27,75,7.52,90,7.63,110,7.95,120,8.08,135,7.87,150,7.47,180,6.99
20,38.6,6.538536,52,7.14,60,7.35,75,7.72,90,8,110,8.22,120,8.52,135,8.56,150,8.14,180,7.63

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.01	5.28	5.49	5.42	5.35	5.22	4.77	4.1
8	5.92	6.21	6.4	6.38	6.48	6.36	5.85	5.1
10	6.56	6.74	6.87	6.92	7.06	7	6.72	6.02
12	6.86	7.01	7.14	7.18	7.42	7.38	7.16	6.75
14	7.01	7.17	7.35	7.41	7.73	7.74	7.51	7.15
16	7.08	7.27	7.52	7.63	7.95	8.08	7.87	7.47
20	7.14	7.35	7.72	8	8.22	8.52	8.56	8.14

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.34	147°	3.55
8	40.9°	3.94	151°	4.41
10	41.6°	4.47	150°	5.21
12	40.1°	4.8	157°	5.93
14	39.4°	4.96	174°	6.53
16	38.6°	5.05	180°	6.99
20	38.6°	5.11	180°	7.63

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°	5.01	5.92	6.56	6.86	7.01	7.08	7.14
60°	5.28	6.21	6.74	7.01	7.17	7.27	7.35
75°	5.49	6.40	6.87	7.14	7.35	7.52	7.72
90°	5.42	6.38	6.92	7.18	7.41	7.63	8.00
110°	5.35	6.48	7.06	7.42	7.73	7.95	8.22
120°	5.22	6.36	7.00	7.38	7.74	8.08	8.52
135°	4.77	5.85	6.72	7.16	7.51	7.87	8.56
150°	4.10	5.10	6.02	6.75	7.15	7.47	8.14