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GPH

643.6

OSN

625.9

LOA

10.53 m

Displacement

4249 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7045

Medium

0.953

High

1.0964

Triple Offshore

Low

0.9148

Medium

1.1839

High

1.332

Boat Specifications

Dimensions

Length overall: 10.53 m
Beam: 3.33 m
Draft: 1.94 m
Displacement: 4249 kg
Crew weight: 593 kg
Wetted surface: 23.78 m²

Sails

Mainsail: 37.08 m²
Genoa: 25.34 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 90.15 m²

Design

Type: Lavranos 34
Builder: John Robertson Yac
Designer: Angelo Lavranos
Year built: 1986

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.

6,43.7,4.426204,52,4.94,60,5.27,75,5.58,90,5.63,110,5.67,120,5.5,135,4.94,144.9,4.436841,150,4.2
8,42.4,5.254211,52,5.91,60,6.26,75,6.53,90,6.7,110,6.76,120,6.62,135,6.09,148.1,5.371204,150,5.26
10,42.3,5.962432,52,6.58,60,6.82,75,7,90,7.2,110,7.26,120,7.16,135,6.87,148.4,6.293097,150,6.19
12,40.5,6.299267,52,6.93,60,7.11,75,7.3,90,7.44,110,7.71,120,7.6,135,7.3,150,6.8,150.4,6.785548
14,39.3,6.409592,52,7.07,60,7.29,75,7.58,90,7.65,110,8.16,120,8.1,135,7.72,150,7.15,174.6,6.368263
16,39.2,6.516596,52,7.14,60,7.38,75,7.82,90,7.98,110,8.42,120,8.65,135,8.21,150,7.44,177.3,6.857613
20,39.1,6.597544,52,7.21,60,7.45,75,8.01,90,8.54,110,8.91,120,9.41,135,9.38,150,8.22,177.9,7.515047

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.94	5.27	5.58	5.63	5.67	5.5	4.94	4.2
8	5.91	6.26	6.53	6.7	6.76	6.62	6.09	5.26
10	6.58	6.82	7	7.2	7.26	7.16	6.87	6.19
12	6.93	7.11	7.3	7.44	7.71	7.6	7.3	6.8
14	7.07	7.29	7.58	7.65	8.16	8.1	7.72	7.15
16	7.14	7.38	7.82	7.98	8.42	8.65	8.21	7.44
20	7.21	7.45	8.01	8.54	8.91	9.41	9.38	8.22

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.7°	3.2	144.9°	3.63
8	42.4°	3.88	148.1°	4.56
10	42.3°	4.41	148.4°	5.36
12	40.5°	4.79	150.4°	5.9
14	39.3°	4.96	174.6°	6.34
16	39.2°	5.05	177.3°	6.85
20	39.1°	5.12	177.9°	7.51

Loading polar chart…