MEDOUSA III — ORC Rating

GPH

665.4

OSN

642.4

LOA

13 m

Displacement

11171 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6501

Medium

0.9183

High

1.1264

Triple Offshore

Low

0.8468

Medium

1.1592

High

1.36

Boat Specifications

Dimensions

Length overall: 13 m
Beam: 4.17 m
Draft: 2.06 m
Displacement: 11171 kg
Crew weight: 600 kg
Wetted surface: 38.16 m²

Sails

Mainsail: 32.48 m²
Genoa: 51.98 m²
Spinnaker: 100.45 m²
Asymmetric spinnaker: 94.93 m²

Design

Type: ATHENA 44
Builder: DROMOR YACHTS
Year built: 1992

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.

6,45.9,4.239037,52,4.64,60,4.99,75,5.25,90,5.18,110,5.18,120,4.99,135,4.49,145.9,3.97314,150,3.8
8,43.9,5.065567,52,5.6,60,5.93,75,6.21,90,6.2,110,6.32,120,6.12,135,5.61,149.3,4.91945,150,4.89
10,42.5,5.655945,52,6.33,60,6.7,75,7.01,90,7.13,110,7.26,120,7.1,135,6.56,150,5.8,152.2,5.686308
12,42.2,6.209465,52,6.95,60,7.26,75,7.49,90,7.67,110,7.77,120,7.69,135,7.35,150,6.62,153.3,6.447487
14,42.1,6.671376,52,7.33,60,7.57,75,7.76,90,7.95,110,8.09,120,8.04,135,7.8,150,7.33,157.9,6.950676
16,41.4,6.892313,52,7.55,60,7.76,75,7.96,90,8.12,110,8.37,120,8.34,135,8.11,150,7.76,180,7.07
20,40.7,7.004036,52,7.69,60,7.92,75,8.24,90,8.39,110,8.9,120,8.97,135,8.75,150,8.34,180,7.9

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.64	4.99	5.25	5.18	5.18	4.99	4.49	3.8
8	5.6	5.93	6.21	6.2	6.32	6.12	5.61	4.89
10	6.33	6.7	7.01	7.13	7.26	7.1	6.56	5.8
12	6.95	7.26	7.49	7.67	7.77	7.69	7.35	6.62
14	7.33	7.57	7.76	7.95	8.09	8.04	7.8	7.33
16	7.55	7.76	7.96	8.12	8.37	8.34	8.11	7.76
20	7.69	7.92	8.24	8.39	8.9	8.97	8.75	8.34

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.9°	2.95	145.9°	3.29
8	43.9°	3.65	149.3°	4.23
10	42.5°	4.17	152.2°	5.03
12	42.2°	4.6	153.3°	5.76
14	42.1°	4.95	157.9°	6.44
16	41.4°	5.17	180°	7.07
20	40.7°	5.31	180°	7.9

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