Porthos — ORC Rating | RegattaPages

GPH

597.3

OSN

579.5

LOA

11.924 m

Displacement

7466 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6866

Medium

0.9207

High

1.0451

Triple Offshore

Low

0.8813

Medium

1.1335

High

1.2576

Boat Specifications

Dimensions

Length overall: 11.924 m
Beam: 3.77 m
Draft: 2.43 m
Displacement: 7466 kg
Crew weight: 800 kg
Wetted surface: 31.97 m²

Sails

Mainsail: 50.11 m²
Genoa: 36.8 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 114.82 m²

Design

Type: First 40.7
Builder: Benneteau
Designer: Farr
Year built: 1997
Stability index: 120.3

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.

6,42.4,4.969833,52,5.56,60,5.83,75,6.02,90,5.89,110,5.93,120,5.75,135,5.16,143.3,4.702064,150,4.36
8,40.2,5.839255,52,6.55,60,6.79,75,6.95,90,6.99,110,7.1,120,6.95,135,6.39,147.3,5.68026,150,5.52
10,38.8,6.428533,52,7.16,60,7.34,75,7.47,90,7.58,110,7.73,120,7.64,135,7.27,148.5,6.60302,150,6.5
12,37.8,6.707545,52,7.45,60,7.63,75,7.79,90,7.86,110,8.14,120,8.1,135,7.8,149.6,7.234668,150,7.21
14,37,6.799097,52,7.59,60,7.79,75,8.02,90,8.1,110,8.48,120,8.51,135,8.23,150,7.64,151.1,7.5617
16,37,6.899267,52,7.67,60,7.87,75,8.18,90,8.35,110,8.74,120,8.9,135,8.66,150,7.96,173.6,7.194839
20,37.5,7.020831,52,7.75,60,7.97,75,8.35,90,8.73,110,9.12,120,9.56,135,9.59,150,8.59,177.2,7.949491

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.56	5.83	6.02	5.89	5.93	5.75	5.16	4.36
8	6.55	6.79	6.95	6.99	7.1	6.95	6.39	5.52
10	7.16	7.34	7.47	7.58	7.73	7.64	7.27	6.5
12	7.45	7.63	7.79	7.86	8.14	8.1	7.8	7.21
14	7.59	7.79	8.02	8.1	8.48	8.51	8.23	7.64
16	7.67	7.87	8.18	8.35	8.74	8.9	8.66	7.96
20	7.75	7.97	8.35	8.73	9.12	9.56	9.59	8.59

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.67	143.3°	3.77
8	40.2°	4.46	147.3°	4.78
10	38.8°	5.01	148.5°	5.63
12	37.8°	5.3	149.6°	6.24
14	37°	5.43	151.1°	6.62
16	37°	5.51	173.6°	7.15
20	37.5°	5.57	177.2°	7.94

Loading polar chart…