Mills Boat Academy — ORC Rating

GPH

662.3

OSN

640.1

LOA

10.53 m

Displacement

4389 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6028

Medium

0.8376

High

0.9709

Triple Offshore

Low

0.7798

Medium

1.0292

High

1.1569

Boat Specifications

Dimensions

Length overall: 10.53 m
Beam: 3.33 m
Draft: 1.94 m
Displacement: 4389 kg
Crew weight: 480 kg
Wetted surface: 23.86 m²

Sails

Mainsail: 31.57 m²
Genoa: 29.19 m²
Spinnaker: 64.12 m²
Asymmetric spinnaker: 0 m²

Design

Type: Lavranos 34
Builder: John Robertson Yac
Designer: Angelo Lavranos
Year built: 1986
Stability index: 118.8

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.

6,43.5,4.494231,52,4.99,60,5.26,75,5.43,90,5.31,110,5.23,120,5.04,135,4.48,145.1,3.938295,150,3.73
8,41.2,5.302925,52,5.92,60,6.17,75,6.33,90,6.28,110,6.34,120,6.15,135,5.58,150,4.82,150.2,4.81697
10,39.6,5.86622,52,6.52,60,6.7,75,6.84,90,6.9,110,6.98,120,6.87,135,6.46,150,5.77,152,5.674176
12,38.4,6.150364,52,6.83,60,7,75,7.15,90,7.24,110,7.39,120,7.31,135,7.01,150,6.54,158.6,6.186525
14,38.1,6.27752,52,6.97,60,7.16,75,7.38,90,7.43,110,7.75,120,7.7,135,7.42,150,7.03,171.2,6.455998
16,37.8,6.327872,52,7.04,60,7.24,75,7.54,90,7.67,110,8.06,120,8.07,135,7.81,150,7.41,177.2,6.898236
20,38.2,6.375207,52,7.09,60,7.31,75,7.7,90,8.03,110,8.47,120,8.81,135,8.63,150,8.15,179,7.601158

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.99	5.26	5.43	5.31	5.23	5.04	4.48	3.73
8	5.92	6.17	6.33	6.28	6.34	6.15	5.58	4.82
10	6.52	6.7	6.84	6.9	6.98	6.87	6.46	5.77
12	6.83	7	7.15	7.24	7.39	7.31	7.01	6.54
14	6.97	7.16	7.38	7.43	7.75	7.7	7.42	7.03
16	7.04	7.24	7.54	7.67	8.06	8.07	7.81	7.41
20	7.09	7.31	7.7	8.03	8.47	8.81	8.63	8.15

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.26	145.1°	3.23
8	41.2°	3.99	150.2°	4.18
10	39.6°	4.52	152°	5.01
12	38.4°	4.82	158.6°	5.76
14	38.1°	4.94	171.2°	6.38
16	37.8°	5	177.2°	6.89
20	38.2°	5.01	179°	7.6

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