Moorachee: ORC Rating

GPH

543.3

OSN

530.1

LOA

9.142 m

Displacement

1600 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7856

Medium

0.9896

High

1.1703

Triple Offshore

Low

0.9915

Medium

1.2207

High

1.4239

Boat Specifications

Dimensions

Length overall: 9.142 m
Beam: 3.46 m
Draft: 2.45 m
Displacement: 1600 kg
Crew weight: 481 kg
Wetted surface: 17.49 m²

Sails

Mainsail: 45.08 m²
Genoa: 21.96 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 104.27 m²

Design

Type: Open 30
Builder: Moondance Yachts
Designer: Geoff Van Gorkom
Year built: 1993

Performance data

Polar CSV

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

6,41.2,5.714932,52,6.37,60,6.59,75,6.73,90,6.72,110,6.65,120,6.45,135,5.92,143.9,5.383731,150,5.03
8,37.6,6.310823,52,7.02,60,7.22,75,7.4,90,7.38,110,7.53,120,7.44,135,7.05,147.9,6.327306,150,6.19
10,35.6,6.49366,52,7.31,60,7.58,75,7.95,90,8.03,110,8.34,120,8.28,135,7.96,150,7.05,154.1,6.814459
12,35,6.641014,52,7.52,60,7.82,75,8.29,90,8.69,110,8.97,120,9.25,135,9.06,150,7.92,151.5,7.817326
14,35,6.763091,52,7.68,60,8.02,75,8.6,90,9.19,110,9.54,120,10.09,135,10.27,145.6,9.380528,150,8.94
16,35,6.848545,52,7.82,60,8.18,75,8.86,90,9.63,110,10.12,120,10.82,135,11.43,143.5,10.947223,150,10.16
20,35,6.885169,52,7.95,60,8.39,75,9.27,90,10.31,110,11.78,120,12.19,135,14.12,147.1,14.16117,150,13.72
24,35.6,6.862618,52,7.93,60,8.42,75,9.49,90,10.79,110,13.05,120,14.15,135,15.97,150,16.92,151.2,16.786361

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.37	6.59	6.73	6.72	6.65	6.45	5.92	5.03
8	7.02	7.22	7.4	7.38	7.53	7.44	7.05	6.19
10	7.31	7.58	7.95	8.03	8.34	8.28	7.96	7.05
12	7.52	7.82	8.29	8.69	8.97	9.25	9.06	7.92
14	7.68	8.02	8.6	9.19	9.54	10.09	10.27	8.94
16	7.82	8.18	8.86	9.63	10.12	10.82	11.43	10.16
20	7.95	8.39	9.27	10.31	11.78	12.19	14.12	13.72
24	7.93	8.42	9.49	10.79	13.05	14.15	15.97	16.92

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.2°	4.3	143.9°	4.35
8	37.6°	5	147.9°	5.36
10	35.6°	5.28	154.1°	6.13
12	35°	5.44	151.5°	6.87
14	35°	5.54	145.6°	7.74
16	35°	5.61	143.5°	8.8
20	35°	5.64	147.1°	11.89
24	35.6°	5.58	151.2°	14.71

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 kt24 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)	Boat speed in 24 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	6.37	7.02	7.31	7.52	7.68	7.82	7.95	7.93
60°	6.59	7.22	7.58	7.82	8.02	8.18	8.39	8.42
75°	6.73	7.40	7.95	8.29	8.60	8.86	9.27	9.49
90°	6.72	7.38	8.03	8.69	9.19	9.63	10.31	10.79
110°	6.65	7.53	8.34	8.97	9.54	10.12	11.78	13.05
120°	6.45	7.44	8.28	9.25	10.09	10.82	12.19	14.15
135°	5.92	7.05	7.96	9.06	10.27	11.43	14.12	15.97
150°	5.03	6.19	7.05	7.92	8.94	10.16	13.72	16.92