ATAO SIX — ORC Rating

GPH

616.2

OSN

598.6

LOA

11.91 m

Displacement

7006 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7279

Medium

0.9989

High

1.1544

Triple Offshore

Low

0.9461

Medium

1.2422

High

1.3957

Boat Specifications

Dimensions

Length overall: 11.91 m
Beam: 3.77 m
Draft: 1.9 m
Displacement: 7006 kg
Crew weight: 738 kg
Wetted surface: 31.19 m²

Sails

Mainsail: 45.86 m²
Genoa: 34.85 m²
Spinnaker: 101.81 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 40.7 Cr SK
Builder: BENETEAU SA
Designer: FARR Bruce
Year built: 1997

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.

6,43.9,4.635341,52,5.19,60,5.54,75,5.84,90,5.77,110,5.77,120,5.61,135,5.07,144.4,4.550482,150,4.27
8,42.5,5.506747,52,6.2,60,6.56,75,6.85,90,6.87,110,7,120,6.85,135,6.25,149,5.436512,150,5.39
10,42.1,6.253573,52,6.95,60,7.22,75,7.42,90,7.53,110,7.67,120,7.58,135,7.19,150,6.38,150.7,6.341239
12,41.3,6.628827,52,7.32,60,7.55,75,7.74,90,7.8,110,8.08,120,8.02,135,7.72,150,7.2,155.4,6.917895
14,40.7,6.74023,52,7.46,60,7.7,75,7.97,90,8.06,110,8.47,120,8.46,135,8.13,150,7.7,169.7,7.05367
16,40.8,6.803215,52,7.52,60,7.77,75,8.14,90,8.34,110,8.72,120,8.91,135,8.58,150,8.08,180,7.5
20,41.4,6.972301,52,7.59,60,7.81,75,8.27,90,8.8,110,9.14,120,9.56,135,9.58,150,8.93,180,8.26

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.19	5.54	5.84	5.77	5.77	5.61	5.07	4.27
8	6.2	6.56	6.85	6.87	7	6.85	6.25	5.39
10	6.95	7.22	7.42	7.53	7.67	7.58	7.19	6.38
12	7.32	7.55	7.74	7.8	8.08	8.02	7.72	7.2
14	7.46	7.7	7.97	8.06	8.47	8.46	8.13	7.7
16	7.52	7.77	8.14	8.34	8.72	8.91	8.58	8.08
20	7.59	7.81	8.27	8.8	9.14	9.56	9.58	8.93

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.9°	3.34	144.4°	3.7
8	42.5°	4.06	149°	4.66
10	42.1°	4.64	150.7°	5.53
12	41.3°	4.98	155.4°	6.29
14	40.7°	5.11	169.7°	6.94
16	40.8°	5.15	180°	7.5
20	41.4°	5.23	180°	8.26

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