BYRON — ORC Rating | RegattaPages

GPH

574.4

OSN

556.7

LOA

12.24 m

Displacement

7365 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7148

Medium

0.9636

High

1.1012

Triple Offshore

Low

0.9167

Medium

1.1779

High

1.3121

Boat Specifications

Dimensions

Length overall: 12.24 m
Beam: 3.9 m
Draft: 2.46 m
Displacement: 7365 kg
Crew weight: 766 kg
Wetted surface: 33.76 m²

Sails

Mainsail: 51.82 m²
Genoa: 41.3 m²
Spinnaker: 139.29 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 40
Builder: BENETEAU
Designer: FARR
Year built: 2008
Stability index: 127.9

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.

6,42.7,5.143455,52,5.75,60,6.05,75,6.25,90,6.11,110,6.17,120,6.02,135,5.44,142.1,5.03115,150,4.58
8,40.6,6.071611,52,6.8,60,7.05,75,7.21,90,7.18,110,7.36,120,7.25,135,6.72,146.9,5.980528,150,5.79
10,39,6.652547,52,7.4,60,7.6,75,7.74,90,7.72,110,7.99,120,7.94,135,7.59,150,6.83,151.1,6.762124
12,37.8,6.884725,52,7.69,60,7.89,75,8.07,90,8.08,110,8.4,120,8.42,135,8.14,150,7.6,156.5,7.284147
14,37.5,7.020831,52,7.82,60,8.04,75,8.31,90,8.39,110,8.68,120,8.86,135,8.62,150,8.11,164.6,7.561492
16,37.6,7.118609,52,7.9,60,8.13,75,8.48,90,8.66,110,8.91,120,9.24,135,9.12,150,8.57,175.4,7.845271
20,38.1,7.230584,52,7.97,60,8.22,75,8.66,90,9.07,110,9.31,120,9.78,135,10.28,150,9.57,177.2,8.700387

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.75	6.05	6.25	6.11	6.17	6.02	5.44	4.58
8	6.8	7.05	7.21	7.18	7.36	7.25	6.72	5.79
10	7.4	7.6	7.74	7.72	7.99	7.94	7.59	6.83
12	7.69	7.89	8.07	8.08	8.4	8.42	8.14	7.6
14	7.82	8.04	8.31	8.39	8.68	8.86	8.62	8.11
16	7.9	8.13	8.48	8.66	8.91	9.24	9.12	8.57
20	7.97	8.22	8.66	9.07	9.31	9.78	10.28	9.57

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.7°	3.78	142.1°	3.97
8	40.6°	4.61	146.9°	5.01
10	39°	5.17	151.1°	5.92
12	37.8°	5.44	156.5°	6.68
14	37.5°	5.57	164.6°	7.29
16	37.6°	5.64	175.4°	7.82
20	38.1°	5.69	177.2°	8.69

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