FOREVER I — ORC Rating

GPH

575.4

OSN

560.9

LOA

13.6 m

Displacement

10511 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6887

Medium

0.9411

High

1.0771

Triple Offshore

Low

0.9025

Medium

1.1825

High

1.321

Boat Specifications

Dimensions

Length overall: 13.6 m
Beam: 4.29 m
Draft: 2.3 m
Displacement: 10511 kg
Crew weight: 840 kg
Wetted surface: 41.66 m²

Sails

Mainsail: 58.73 m²
Genoa: 57.81 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 138.01 m²

Design

Type: Dufour 45 P
Builder: Dufour Yachts
Designer: Felci
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.

6,43.9,5.010054,52,5.58,60,5.96,75,6.3,90,6.55,110,6.33,120,5.98,135,5.29,143.5,4.80185,150,4.45
8,42.4,5.971925,52,6.7,60,7.07,75,7.49,90,7.73,110,7.55,120,7.21,135,6.54,147.5,5.774306,150,5.62
10,41.6,6.739787,52,7.52,60,7.81,75,8.1,90,8.31,110,8.22,120,8.06,135,7.59,148.2,6.777326,150,6.65
12,40.9,7.117782,52,7.9,60,8.15,75,8.36,90,8.66,110,8.65,120,8.55,135,8.22,149,7.594783,150,7.51
14,40.1,7.242574,52,8.04,60,8.29,75,8.59,90,8.9,110,9.09,120,9.01,135,8.66,150,8.05,150.5,8.01971
16,39.9,7.299602,52,8.1,60,8.35,75,8.73,90,9.07,110,9.52,120,9.51,135,9.12,150,8.41,174,7.470927
20,39.9,7.377812,52,8.15,60,8.4,75,8.84,90,9.39,110,10.22,120,10.32,135,10.17,150,9.09,178,8.365096

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.58	5.96	6.3	6.55	6.33	5.98	5.29	4.45
8	6.7	7.07	7.49	7.73	7.55	7.21	6.54	5.62
10	7.52	7.81	8.1	8.31	8.22	8.06	7.59	6.65
12	7.9	8.15	8.36	8.66	8.65	8.55	8.22	7.51
14	8.04	8.29	8.59	8.9	9.09	9.01	8.66	8.05
16	8.1	8.35	8.73	9.07	9.52	9.51	9.12	8.41
20	8.15	8.4	8.84	9.39	10.22	10.32	10.17	9.09

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.9°	3.61	143.5°	3.86
8	42.4°	4.41	147.5°	4.87
10	41.6°	5.04	148.2°	5.76
12	40.9°	5.38	149°	6.51
14	40.1°	5.54	150.5°	6.98
16	39.9°	5.6	174°	7.43
20	39.9°	5.66	178°	8.36

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