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GPH

637.1

OSN

619.5

LOA

10.53 m

Displacement

4249 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7187

Medium

0.9687

High

1.1011

Triple Offshore

Low

0.9291

Medium

1.1945

High

1.3313

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.

6,42.9,4.491205,52,5.06,60,5.37,75,5.61,90,5.67,110,5.73,120,5.57,135,5,144.6,4.51463,150,4.25
8,41.3,5.311048,52,6,60,6.3,75,6.52,90,6.7,110,6.79,120,6.67,135,6.16,148.1,5.41832,150,5.32
10,40.7,6.001575,52,6.63,60,6.82,75,6.97,90,7.17,110,7.29,120,7.2,135,6.92,148.6,6.338229,150,6.24
12,38.9,6.296233,52,6.93,60,7.09,75,7.25,90,7.4,110,7.72,120,7.65,135,7.35,150,6.84,150.5,6.813306
14,38.1,6.37918,52,7.05,60,7.25,75,7.49,90,7.59,110,8.14,120,8.15,135,7.79,150,7.19,174.6,6.388352
16,38,6.433922,52,7.11,60,7.32,75,7.69,90,7.88,110,8.4,120,8.65,135,8.29,150,7.48,177.2,6.878212
20,38.4,6.533167,52,7.16,60,7.36,75,7.84,90,8.37,110,8.82,120,9.42,135,9.5,150,8.3,177.8,7.545562

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.06	5.37	5.61	5.67	5.73	5.57	5	4.25
8	6	6.3	6.52	6.7	6.79	6.67	6.16	5.32
10	6.63	6.82	6.97	7.17	7.29	7.2	6.92	6.24
12	6.93	7.09	7.25	7.4	7.72	7.65	7.35	6.84
14	7.05	7.25	7.49	7.59	8.14	8.15	7.79	7.19
16	7.11	7.32	7.69	7.88	8.4	8.65	8.29	7.48
20	7.16	7.36	7.84	8.37	8.82	9.42	9.5	8.3

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	3.29	144.6°	3.68
8	41.3°	3.99	148.1°	4.6
10	40.7°	4.55	148.6°	5.41
12	38.9°	4.9	150.5°	5.93
14	38.1°	5.02	174.6°	6.36
16	38°	5.07	177.2°	6.87
20	38.4°	5.12	177.8°	7.54

Loading polar chart…