JOSIAN: ORC Rating

GPH

698.9

OSN

680.8

LOA

10.954 m

Displacement

7000 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6668

Medium

0.8795

High

1.0009

Triple Offshore

Low

0.851

Medium

1.0875

High

1.1992

Boat Specifications

Dimensions

Length overall: 10.954 m
Beam: 2.95 m
Draft: 1.83 m
Displacement: 7000 kg
Crew weight: 510 kg
Wetted surface: 24.09 m²

Sails

Mainsail: 29.5 m²
Genoa: 40.42 m²
Spinnaker: 80.3 m²
Asymmetric spinnaker: 0 m²

Design

Type: SWAN 36/7
Builder: NAUTOR
Designer: SPARKMAN&STEPHENS
Year built: 1968

Performance data

Polar CSV

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

6,42.1,4.231944,52,4.71,60,4.93,75,5.1,90,5.07,110,5.02,120,4.9,135,4.52,147.9,3.978176,150,3.89
8,40.6,4.873093,52,5.51,60,5.78,75,6,90,5.98,110,6.08,120,5.94,135,5.46,150,4.83,152.2,4.736706
10,41.6,5.456018,52,6.1,60,6.33,75,6.51,90,6.53,110,6.68,120,6.62,135,6.32,150,5.67,151.9,5.577429
12,41.9,5.75028,52,6.36,60,6.58,75,6.75,90,6.82,110,6.98,120,6.96,135,6.77,150,6.38,157.6,6.067843
14,41.8,5.875441,52,6.48,60,6.7,75,6.92,90,7.01,110,7.19,120,7.24,135,7.07,150,6.78,180,6.22
16,41.6,5.937432,52,6.54,60,6.76,75,7.03,90,7.18,110,7.31,120,7.5,135,7.35,150,7.05,180,6.66
20,41.7,5.946655,52,6.57,60,6.81,75,7.12,90,7.43,110,7.53,120,7.79,135,7.92,150,7.59,180,7.2

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.71	4.93	5.1	5.07	5.02	4.9	4.52	3.89
8	5.51	5.78	6	5.98	6.08	5.94	5.46	4.83
10	6.1	6.33	6.51	6.53	6.68	6.62	6.32	5.67
12	6.36	6.58	6.75	6.82	6.98	6.96	6.77	6.38
14	6.48	6.7	6.92	7.01	7.19	7.24	7.07	6.78
16	6.54	6.76	7.03	7.18	7.31	7.5	7.35	7.05
20	6.57	6.81	7.12	7.43	7.53	7.79	7.92	7.59

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.1°	3.14	147.9°	3.37
8	40.6°	3.7	152.2°	4.19
10	41.6°	4.08	151.9°	4.92
12	41.9°	4.28	157.6°	5.61
14	41.8°	4.38	180°	6.22
16	41.6°	4.44	180°	6.66
20	41.7°	4.44	180°	7.2

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°	4.71	5.51	6.10	6.36	6.48	6.54	6.57
60°	4.93	5.78	6.33	6.58	6.70	6.76	6.81
75°	5.10	6.00	6.51	6.75	6.92	7.03	7.12
90°	5.07	5.98	6.53	6.82	7.01	7.18	7.43
110°	5.02	6.08	6.68	6.98	7.19	7.31	7.53
120°	4.90	5.94	6.62	6.96	7.24	7.50	7.79
135°	4.52	5.46	6.32	6.77	7.07	7.35	7.92
150°	3.89	4.83	5.67	6.38	6.78	7.05	7.59