Southern Star — ORC Rating

GPH

639.3

OSN

622.1

LOA

10.53 m

Displacement

4116 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6402

Medium

0.8569

High

0.9629

Triple Offshore

Low

0.8264

Medium

1.0578

High

1.1698

Boat Specifications

Dimensions

Length overall: 10.53 m
Beam: 3.33 m
Draft: 1.93 m
Displacement: 4116 kg
Crew weight: 593 kg
Wetted surface: 23.45 m²

Sails

Mainsail: 37.61 m²
Genoa: 25.02 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 88.66 m²

Design

Type: Lavranos 34
Builder: Robertson and Cain
Designer: Lavranos
Year built: 1986
Stability index: 107.9

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.

6,43.2,4.472072,52,5.01,60,5.33,75,5.57,90,5.67,110,5.74,120,5.58,135,5.05,144.8,4.564674,150,4.3
8,41.8,5.312042,52,5.98,60,6.27,75,6.49,90,6.7,110,6.8,120,6.69,135,6.23,147.8,5.530652,150,5.4
10,40.8,5.970977,52,6.61,60,6.8,75,6.95,90,7.13,110,7.3,120,7.24,135,6.97,149.2,6.391451,150,6.34
12,39.4,6.198773,52,6.86,60,7.05,75,7.23,90,7.31,110,7.72,120,7.71,135,7.41,150,6.92,150.5,6.893733
14,38.8,6.274556,52,6.94,60,7.15,75,7.43,90,7.57,110,8.03,120,8.21,135,7.91,150,7.25,168.2,6.497305
16,38.8,6.313051,52,6.98,60,7.19,75,7.55,90,7.85,110,8.27,120,8.65,135,8.44,150,7.57,175.4,6.882168
20,39,6.42093,52,7.08,60,7.28,75,7.64,90,8.17,110,8.71,120,9.25,135,9.81,150,8.34,176.6,7.563313

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.01	5.33	5.57	5.67	5.74	5.58	5.05	4.3
8	5.98	6.27	6.49	6.7	6.8	6.69	6.23	5.4
10	6.61	6.8	6.95	7.13	7.3	7.24	6.97	6.34
12	6.86	7.05	7.23	7.31	7.72	7.71	7.41	6.92
14	6.94	7.15	7.43	7.57	8.03	8.21	7.91	7.25
16	6.98	7.19	7.55	7.85	8.27	8.65	8.44	7.57
20	7.08	7.28	7.64	8.17	8.71	9.25	9.81	8.34

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.26	144.8°	3.73
8	41.8°	3.96	147.8°	4.68
10	40.8°	4.52	149.2°	5.49
12	39.4°	4.79	150.5°	6
14	38.8°	4.89	168.2°	6.36
16	38.8°	4.92	175.4°	6.86
20	39°	4.99	176.6°	7.55

Loading polar chart…