ATHYRIS & C — ORC Rating

GPH

579.1

OSN

563

LOA

12.957 m

Displacement

8883 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6931

Medium

0.9469

High

1.0954

Triple Offshore

Low

0.8994

Medium

1.1728

High

1.3152

Boat Specifications

Dimensions

Length overall: 12.957 m
Beam: 3.95 m
Draft: 2.38 m
Displacement: 8883 kg
Crew weight: 730 kg
Wetted surface: 36.53 m²

Sails

Mainsail: 56.94 m²
Genoa: 47.63 m²
Spinnaker: 122.81 m²
Asymmetric spinnaker: 0 m²

Design

Type: Grand Soleil 43 BC
Builder: Cantieri del Pardo
Designer: Botin/Carkeek
Year built: 2005

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.

6,43.5,5.059456,52,5.65,60,6,75,6.3,90,6.25,110,6.04,120,5.87,135,5.29,141.5,4.919448,150,4.44
8,41.6,5.990922,52,6.74,60,7.08,75,7.34,90,7.32,110,7.33,120,7.17,135,6.55,148,5.719015,150,5.6
10,40.9,6.720879,52,7.48,60,7.72,75,7.89,90,7.9,110,8.04,120,7.95,135,7.54,150,6.639528
12,39.8,7.015639,52,7.78,60,8,75,8.2,90,8.25,110,8.46,120,8.41,135,8.1,150,7.5,154.5,7.256932
14,39,7.102913,52,7.89,60,8.11,75,8.41,90,8.53,110,8.84,120,8.86,135,8.52,150,8.06,164,7.500559
16,39,7.180118,52,7.95,60,8.18,75,8.53,90,8.8,110,9.09,120,9.34,135,8.99,150,8.46,180,7.81
20,39.2,7.36827,52,8.06,60,8.27,75,8.65,90,9.2,110,9.53,120,10,135,10.08,150,9.36,180,8.62

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.65	6	6.3	6.25	6.04	5.87	5.29	4.44
8	6.74	7.08	7.34	7.32	7.33	7.17	6.55	5.6
10	7.48	7.72	7.89	7.9	8.04	7.95	7.54	6.64
12	7.78	8	8.2	8.25	8.46	8.41	8.1	7.5
14	7.89	8.11	8.41	8.53	8.84	8.86	8.52	8.06
16	7.95	8.18	8.53	8.8	9.09	9.34	8.99	8.46
20	8.06	8.27	8.65	9.2	9.53	10	10.08	9.36

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.67	141.5°	3.85
8	41.6°	4.48	148°	4.85
10	40.9°	5.08	150°	5.75
12	39.8°	5.39	154.5°	6.55
14	39°	5.52	164°	7.21
16	39°	5.58	180°	7.81
20	39.2°	5.71	180°	8.62

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