FORREST GUMP — ORC Rating

GPH

552.8

OSN

536.3

LOA

12.496 m

Displacement

5656 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8187

Medium

1.121

High

1.2992

Triple Offshore

Low

1.0584

Medium

1.3796

High

1.5727

Boat Specifications

Dimensions

Length overall: 12.496 m
Beam: 3.88 m
Draft: 2.59 m
Displacement: 5656 kg
Crew weight: 732 kg
Wetted surface: 29.63 m²

Sails

Mainsail: 53.07 m²
Genoa: 33.23 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 136.76 m²

Design

Type: PROTO ILC 40
Builder: Jeanneau
Designer: Briand
Year built: 1995

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.

6,42.2,5.143057,52,5.79,60,6.12,75,6.39,90,6.37,110,6.46,120,6.28,135,5.64,142.1,5.20857,150,4.75
8,41,6.174561,52,6.97,60,7.27,75,7.48,90,7.64,110,7.72,120,7.59,135,6.99,140.8,6.581117,150,5.88
10,39.9,6.973727,52,7.7,60,7.88,75,8.02,90,8.11,110,8.37,120,8.26,135,7.86,148.1,7.138047,150,7
12,38,7.258784,52,8.02,60,8.22,75,8.44,90,8.42,110,8.93,120,8.91,135,8.44,150,7.84,155,7.569173
14,37.1,7.359727,52,8.16,60,8.43,75,8.81,90,8.86,110,9.29,120,9.58,135,9.08,150,8.36,165.7,7.688214
16,36.8,7.430707,52,8.24,60,8.54,75,9.07,90,9.32,110,9.6,120,10.09,135,9.8,150,8.93,180,8.01
20,35.9,7.555167,52,8.41,60,8.69,75,9.29,90,10,110,10.33,120,10.92,135,11.8,150,10.33,180,9.05

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.79	6.12	6.39	6.37	6.46	6.28	5.64	4.75
8	6.97	7.27	7.48	7.64	7.72	7.59	6.99	5.88
10	7.7	7.88	8.02	8.11	8.37	8.26	7.86	7
12	8.02	8.22	8.44	8.42	8.93	8.91	8.44	7.84
14	8.16	8.43	8.81	8.86	9.29	9.58	9.08	8.36
16	8.24	8.54	9.07	9.32	9.6	10.09	9.8	8.93
20	8.41	8.69	9.29	10	10.33	10.92	11.8	10.33

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.2°	3.81	142.1°	4.11
8	41°	4.66	140.8°	5.1
10	39.9°	5.35	148.1°	6.06
12	38°	5.72	155°	6.86
14	37.1°	5.87	165.7°	7.45
16	36.8°	5.95	180°	8.01
20	35.9°	6.12	180°	9.05

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