MAYFAIR — ORC Rating | RegattaPages

GPH

579.2

OSN

562.1

LOA

12.24 m

Displacement

7952 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7844

Medium

1.0731

High

1.2435

Triple Offshore

Low

1.0138

Medium

1.3169

High

1.4818

Boat Specifications

Dimensions

Length overall: 12.24 m
Beam: 3.9 m
Draft: 2.49 m
Displacement: 7952 kg
Crew weight: 798 kg
Wetted surface: 34.76 m²

Sails

Mainsail: 54.14 m²
Genoa: 39.37 m²
Spinnaker: 139.53 m²
Asymmetric spinnaker: 134.65 m²

Design

Type: First 40 2.48
Builder: Beneteau Yachts
Designer: Farr
Year built: 2008

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.

6,42.6,4.931415,52,5.55,60,5.87,75,6.13,90,6.13,110,6.19,120,6.02,135,5.41,142.1,5.018477,150,4.57
8,40.9,5.847694,52,6.61,60,6.92,75,7.16,90,7.32,110,7.42,120,7.27,135,6.68,147.6,5.862651,150,5.71
10,40,6.579253,52,7.33,60,7.54,75,7.69,90,7.86,110,8,120,7.91,135,7.59,149.1,6.82932,150,6.77
12,38.5,6.938338,52,7.67,60,7.85,75,8.01,90,8.05,110,8.42,120,8.36,135,8.08,150,7.57,155.5,7.286024
14,37.5,7.058646,52,7.82,60,8.02,75,8.26,90,8.34,110,8.74,120,8.85,135,8.52,150,8.03,168.9,7.378023
16,37.3,7.12783,52,7.89,60,8.11,75,8.46,90,8.64,110,9,120,9.33,135,9.04,150,8.44,180,7.79
20,37.1,7.2845,52,7.97,60,8.18,75,8.67,90,9.18,110,9.47,120,9.93,135,10.25,150,9.42,180,8.6

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.55	5.87	6.13	6.13	6.19	6.02	5.41	4.57
8	6.61	6.92	7.16	7.32	7.42	7.27	6.68	5.71
10	7.33	7.54	7.69	7.86	8	7.91	7.59	6.77
12	7.67	7.85	8.01	8.05	8.42	8.36	8.08	7.57
14	7.82	8.02	8.26	8.34	8.74	8.85	8.52	8.03
16	7.89	8.11	8.46	8.64	9	9.33	9.04	8.44
20	7.97	8.18	8.67	9.18	9.47	9.93	10.25	9.42

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.63	142.1°	3.96
8	40.9°	4.42	147.6°	4.95
10	40°	5.04	149.1°	5.86
12	38.5°	5.43	155.5°	6.63
14	37.5°	5.6	168.9°	7.24
16	37.3°	5.67	180°	7.79
20	37.1°	5.81	180°	8.6

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