ROLLERCOASTER: ORC Rating

GPH

642.3

OSN

622.6

LOA

9.73 m

Displacement

3755 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6296

Medium

0.8645

High

0.9896

Triple Offshore

Low

0.8141

Medium

1.0564

High

1.18

Boat Specifications

Dimensions

Length overall: 9.73 m
Beam: 3.1 m
Draft: 2.09 m
Displacement: 3755 kg
Crew weight: 540 kg
Wetted surface: 21.89 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
Stability index: 116.6

Performance data

Polar CSV

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

6,42.9,4.491205,52,5.02,60,5.3,75,5.5,90,5.51,110,5.62,120,5.47,135,4.94,145.1,4.316274,150,4.09
8,41.2,5.316216,52,5.96,60,6.23,75,6.43,90,6.58,110,6.7,120,6.59,135,6.09,149.6,5.205715,150,5.18
10,40.5,5.983646,52,6.6,60,6.77,75,6.89,90,7.02,110,7.21,120,7.15,135,6.88,149.3,6.233629,150,6.19
12,38.8,6.236062,52,6.87,60,7.03,75,7.18,90,7.21,110,7.6,120,7.6,135,7.32,150,6.91,157.9,6.6053
14,38.2,6.311582,52,6.96,60,7.14,75,7.4,90,7.5,110,7.88,120,8.09,135,7.8,150,7.32,171.8,6.749
16,38.1,6.353765,52,7,60,7.2,75,7.54,90,7.8,110,8.11,120,8.48,135,8.34,150,7.76,177.2,7.118499
20,38,6.433922,52,7.08,60,7.27,75,7.65,90,8.2,110,8.54,120,9.05,135,9.69,150,8.81,175.4,7.945594

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.02	5.3	5.5	5.51	5.62	5.47	4.94	4.09
8	5.96	6.23	6.43	6.58	6.7	6.59	6.09	5.18
10	6.6	6.77	6.89	7.02	7.21	7.15	6.88	6.19
12	6.87	7.03	7.18	7.21	7.6	7.6	7.32	6.91
14	6.96	7.14	7.4	7.5	7.88	8.09	7.8	7.32
16	7	7.2	7.54	7.8	8.11	8.48	8.34	7.76
20	7.08	7.27	7.65	8.2	8.54	9.05	9.69	8.81

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	3.29	145.1°	3.54
8	41.2°	4	149.6°	4.49
10	40.5°	4.55	149.3°	5.36
12	38.8°	4.86	157.9°	6.12
14	38.2°	4.96	171.8°	6.68
16	38.1°	5	177.2°	7.11
20	38°	5.07	175.4°	7.92

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°	5.02	5.96	6.60	6.87	6.96	7.00	7.08
60°	5.30	6.23	6.77	7.03	7.14	7.20	7.27
75°	5.50	6.43	6.89	7.18	7.40	7.54	7.65
90°	5.51	6.58	7.02	7.21	7.50	7.80	8.20
110°	5.62	6.70	7.21	7.60	7.88	8.11	8.54
120°	5.47	6.59	7.15	7.60	8.09	8.48	9.05
135°	4.94	6.09	6.88	7.32	7.80	8.34	9.69
150°	4.09	5.18	6.19	6.91	7.32	7.76	8.81