AUSTRAL — ORC Rating | RegattaPages

GPH

615.8

OSN

598

LOA

11.715 m

Displacement

7474 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6436

Medium

0.8885

High

1.0318

Triple Offshore

Low

0.8383

Medium

1.1057

High

1.2473

Boat Specifications

Dimensions

Length overall: 11.715 m
Beam: 3.97 m
Draft: 2 m
Displacement: 7474 kg
Crew weight: 450 kg
Wetted surface: 32.46 m²

Sails

Mainsail: 42.41 m²
Genoa: 47.93 m²
Spinnaker: 106.86 m²
Asymmetric spinnaker: 106.86 m²

Design

Type: RO 400 (SK)
Builder: RONAUTICA
Designer: I.TOLEDO
Year built: 2004

Velocity Prediction

Polar CSV

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

6,44.2,4.714674,52,5.24,60,5.59,75,5.89,90,5.85,110,5.69,120,5.51,135,4.96,144.5,4.421977,150,4.15
8,42.8,5.615146,52,6.27,60,6.62,75,6.9,90,6.89,110,6.92,120,6.72,135,6.14,149,5.331515,150,5.27
10,41.6,6.271746,52,7.01,60,7.28,75,7.47,90,7.54,110,7.63,120,7.52,135,7.1,150,6.270024
12,40.9,6.681189,52,7.38,60,7.6,75,7.79,90,7.9,110,8.04,120,7.97,135,7.68,150,7.1,154.5,6.880236
14,40.1,6.798084,52,7.53,60,7.76,75,8.02,90,8.11,110,8.45,120,8.39,135,8.08,150,7.65,166,7.059703
16,39.8,6.859447,52,7.6,60,7.84,75,8.19,90,8.39,110,8.83,120,8.83,135,8.5,150,8.03,180,7.44
20,40.1,6.889597,52,7.64,60,7.89,75,8.36,90,8.85,110,9.29,120,9.72,135,9.44,150,8.84,180,8.2

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.24	5.59	5.89	5.85	5.69	5.51	4.96	4.15
8	6.27	6.62	6.9	6.89	6.92	6.72	6.14	5.27
10	7.01	7.28	7.47	7.54	7.63	7.52	7.1	6.27
12	7.38	7.6	7.79	7.9	8.04	7.97	7.68	7.1
14	7.53	7.76	8.02	8.11	8.45	8.39	8.08	7.65
16	7.6	7.84	8.19	8.39	8.83	8.83	8.5	8.03
20	7.64	7.89	8.36	8.85	9.29	9.72	9.44	8.84

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	3.38	144.5°	3.6
8	42.8°	4.12	149°	4.57
10	41.6°	4.69	150°	5.43
12	40.9°	5.05	154.5°	6.21
14	40.1°	5.2	166°	6.85
16	39.8°	5.27	180°	7.44
20	40.1°	5.27	180°	8.2

Loading polar chart…