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GPH

638.5

OSN

619.7

LOA

10.53 m

Displacement

4249 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6361

Medium

0.8601

High

0.9772

Triple Offshore

Low

0.8214

Medium

1.061

High

1.1853

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: 23.72 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
Stability index: 125.3

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.

6,43.2,4.458354,52,4.99,60,5.31,75,5.54,90,5.62,110,5.69,120,5.53,135,5,144.7,4.521296,150,4.26
8,41.8,5.298628,52,5.96,60,6.26,75,6.48,90,6.68,110,6.77,120,6.66,135,6.17,147.9,5.465565,150,5.35
10,41.1,5.998168,52,6.61,60,6.8,75,6.95,90,7.16,110,7.28,120,7.21,135,6.94,148.7,6.378306,150,6.29
12,39,6.279387,52,6.92,60,7.08,75,7.23,90,7.4,110,7.73,120,7.67,135,7.38,150,6.89,150.5,6.859265
14,38.2,6.387931,52,7.05,60,7.24,75,7.48,90,7.56,110,8.15,120,8.19,135,7.86,150,7.22,166.4,6.502319
16,38.1,6.442717,52,7.11,60,7.32,75,7.68,90,7.87,110,8.42,120,8.7,135,8.38,150,7.53,175.4,6.852071
20,38.4,6.558687,52,7.17,60,7.36,75,7.85,90,8.37,110,8.89,120,9.48,135,9.68,150,8.27,176.6,7.523242

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.99	5.31	5.54	5.62	5.69	5.53	5	4.26
8	5.96	6.26	6.48	6.68	6.77	6.66	6.17	5.35
10	6.61	6.8	6.95	7.16	7.28	7.21	6.94	6.29
12	6.92	7.08	7.23	7.4	7.73	7.67	7.38	6.89
14	7.05	7.24	7.48	7.56	8.15	8.19	7.86	7.22
16	7.11	7.32	7.68	7.87	8.42	8.7	8.38	7.53
20	7.17	7.36	7.85	8.37	8.89	9.48	9.68	8.27

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.25	144.7°	3.69
8	41.8°	3.95	147.9°	4.63
10	41.1°	4.52	148.7°	5.45
12	39°	4.88	150.5°	5.97
14	38.2°	5.02	166.4°	6.32
16	38.1°	5.07	175.4°	6.83
20	38.4°	5.14	176.6°	7.51

Loading polar chart…