SEMELE II — ORC Rating

GPH

692

OSN

666.6

LOA

11.72 m

Displacement

8583 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6317

Medium

0.8909

High

1.0853

Triple Offshore

Low

0.8157

Medium

1.1151

High

1.2989

Boat Specifications

Dimensions

Length overall: 11.72 m
Beam: 3.89 m
Draft: 2.2 m
Displacement: 8583 kg
Crew weight: 560 kg
Wetted surface: 31.95 m²

Sails

Mainsail: 32.46 m²
Genoa: 40.04 m²
Spinnaker: 91.71 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 38
Builder: BENETEAU
Designer: J.BERRET
Year built: 1980

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.

6,44,3.975868,52,4.41,60,4.69,75,4.9,90,4.85,110,4.97,120,4.82,135,4.37,146.8,3.836206,150,3.71
8,42.3,4.77265,52,5.32,60,5.6,75,5.83,90,5.92,110,6.08,120,5.92,135,5.43,150,4.76,150.1,4.752584
10,41.3,5.364292,52,6.05,60,6.38,75,6.63,90,6.82,110,6.95,120,6.84,135,6.37,150,5.64,152.4,5.529204
12,41.4,5.932455,52,6.65,60,6.9,75,7.08,90,7.27,110,7.39,120,7.32,135,7.05,150,6.44,153.7,6.257763
14,41.2,6.366168,52,6.97,60,7.17,75,7.34,90,7.49,110,7.7,120,7.65,135,7.43,150,7.05,163.3,6.546098
16,40.1,6.510473,52,7.15,60,7.33,75,7.52,90,7.59,110,7.99,120,7.96,135,7.73,150,7.4,180,6.87
20,39.6,6.58003,52,7.26,60,7.48,75,7.8,90,7.98,110,8.38,120,8.59,135,8.39,150,7.98,180,7.55

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.41	4.69	4.9	4.85	4.97	4.82	4.37	3.71
8	5.32	5.6	5.83	5.92	6.08	5.92	5.43	4.76
10	6.05	6.38	6.63	6.82	6.95	6.84	6.37	5.64
12	6.65	6.9	7.08	7.27	7.39	7.32	7.05	6.44
14	6.97	7.17	7.34	7.49	7.7	7.65	7.43	7.05
16	7.15	7.33	7.52	7.59	7.99	7.96	7.73	7.4
20	7.26	7.48	7.8	7.98	8.38	8.59	8.39	7.98

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44°	2.86	146.8°	3.21
8	42.3°	3.53	150.1°	4.12
10	41.3°	4.03	152.4°	4.9
12	41.4°	4.45	153.7°	5.61
14	41.2°	4.79	163.3°	6.27
16	40.1°	4.98	180°	6.87
20	39.6°	5.07	180°	7.55

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