ROLLERCOASTER: ORC Rating

GPH

640.3

OSN

622.1

LOA

9.73 m

Displacement

3756 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6344

Medium

0.8652

High

0.9872

Triple Offshore

Low

0.8198

Medium

1.0577

High

1.1796

Boat Specifications

Dimensions

Length overall: 9.73 m
Beam: 3.1 m
Draft: 2.09 m
Displacement: 3756 kg
Crew weight: 540 kg
Wetted surface: 22.11 m²

Sails

Mainsail: 31.8 m²
Genoa: 23.85 m²
Spinnaker: 84.46 m²
Asymmetric spinnaker: 0 m²

Design

Type: SYDNEY 32OD
Builder: SYDNEY YACHTS
Designer: MURRAY/BURNS/DOVEL
Year built: 2002

Performance data

Polar CSV

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

6,42.8,4.552084,52,5.07,60,5.35,75,5.56,90,5.54,110,5.65,120,5.5,135,4.98,145,4.358165,150,4.12
8,40.9,5.318491,52,5.99,60,6.26,75,6.46,90,6.58,110,6.71,120,6.61,135,6.12,150,5.196152
10,40.1,5.97447,52,6.61,60,6.78,75,6.91,90,7.02,110,7.21,120,7.15,135,6.89,149,6.264821,150,6.2
12,38.6,6.218647,52,6.87,60,7.03,75,7.18,90,7.22,110,7.6,120,7.6,135,7.32,150,6.9,159,6.544696
14,38.2,6.298857,52,6.95,60,7.14,75,7.4,90,7.5,110,7.88,120,8.08,135,7.79,150,7.3,180,6.7
16,38.2,6.337032,52,6.99,60,7.19,75,7.53,90,7.79,110,8.11,120,8.48,135,8.32,150,7.73,180,7.13
20,38.2,6.400656,52,7.06,60,7.25,75,7.63,90,8.17,110,8.54,120,9.03,135,9.62,150,8.74,180,7.93

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.07	5.35	5.56	5.54	5.65	5.5	4.98	4.12
8	5.99	6.26	6.46	6.58	6.71	6.61	6.12	5.21
10	6.61	6.78	6.91	7.02	7.21	7.15	6.89	6.2
12	6.87	7.03	7.18	7.22	7.6	7.6	7.32	6.9
14	6.95	7.14	7.4	7.5	7.88	8.08	7.79	7.3
16	6.99	7.19	7.53	7.79	8.11	8.48	8.32	7.73
20	7.06	7.25	7.63	8.17	8.54	9.03	9.62	8.74

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.34	145°	3.57
8	40.9°	4.02	150°	4.5
10	40.1°	4.57	149°	5.37
12	38.6°	4.86	159°	6.11
14	38.2°	4.95	180°	6.7
16	38.2°	4.98	180°	7.13
20	38.2°	5.03	180°	7.93

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°	5.07	5.99	6.61	6.87	6.95	6.99	7.06
60°	5.35	6.26	6.78	7.03	7.14	7.19	7.25
75°	5.56	6.46	6.91	7.18	7.40	7.53	7.63
90°	5.54	6.58	7.02	7.22	7.50	7.79	8.17
110°	5.65	6.71	7.21	7.60	7.88	8.11	8.54
120°	5.50	6.61	7.15	7.60	8.08	8.48	9.03
135°	4.98	6.12	6.89	7.32	7.79	8.32	9.62
150°	4.12	5.21	6.20	6.90	7.30	7.73	8.74