ATREVIT II — ORC Rating

GPH

603.2

OSN

585.8

LOA

12.8 m

Displacement

9751 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6837

Medium

0.9176

High

1.0528

Triple Offshore

Low

0.8771

Medium

1.1194

High

1.242

Boat Specifications

Dimensions

Length overall: 12.8 m
Beam: 3.98 m
Draft: 2.25 m
Displacement: 9751 kg
Crew weight: 560 kg
Wetted surface: 34.77 m²

Sails

Mainsail: 41.65 m²
Genoa: 67.85 m²
Spinnaker: 131.64 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 42
Builder: BENETEAU
Designer: G. FRERS
Year built: 1981
Stability index: 133.5

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.

6,42.9,5.119154,52,5.69,60,5.97,75,6.16,90,6.05,110,5.68,120,5.55,135,5.03,144.2,4.537251,150,4.25
8,40.6,5.913565,52,6.62,60,6.85,75,6.99,90,6.94,110,6.83,120,6.71,135,6.22,149.3,5.431166,150,5.39
10,39.4,6.444653,52,7.13,60,7.3,75,7.43,90,7.43,110,7.48,120,7.42,135,7.08,150,6.37,151.6,6.286601
12,38.4,6.699048,52,7.39,60,7.55,75,7.69,90,7.73,110,7.86,120,7.83,135,7.59,150,7.13,156.8,6.810749
14,37.8,6.821446,52,7.52,60,7.7,75,7.89,90,7.96,110,8.17,120,8.17,135,7.96,150,7.59,166.4,7.057896
16,37.2,6.867288,52,7.6,60,7.79,75,8.04,90,8.17,110,8.43,120,8.49,135,8.31,150,7.94,177.2,7.378809
20,37.5,6.983017,52,7.68,60,7.88,75,8.22,90,8.49,110,8.76,120,9.05,135,9,150,8.59,179,8.061228

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.69	5.97	6.16	6.05	5.68	5.55	5.03	4.25
8	6.62	6.85	6.99	6.94	6.83	6.71	6.22	5.39
10	7.13	7.3	7.43	7.43	7.48	7.42	7.08	6.37
12	7.39	7.55	7.69	7.73	7.86	7.83	7.59	7.13
14	7.52	7.7	7.89	7.96	8.17	8.17	7.96	7.59
16	7.6	7.79	8.04	8.17	8.43	8.49	8.31	7.94
20	7.68	7.88	8.22	8.49	8.76	9.05	9	8.59

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	3.75	144.2°	3.68
8	40.6°	4.49	149.3°	4.67
10	39.4°	4.98	151.6°	5.53
12	38.4°	5.25	156.8°	6.26
14	37.8°	5.39	166.4°	6.86
16	37.2°	5.47	177.2°	7.37
20	37.5°	5.54	179°	8.06

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