Easy Eleven — ORC Rating

GPH

574.6

OSN

556

LOA

14 m

Displacement

13508 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6796

Medium

0.9485

High

1.1158

Triple Offshore

Low

0.8851

Medium

1.1908

High

1.3634

Boat Specifications

Dimensions

Length overall: 14 m
Beam: 4.74 m
Draft: 2.59 m
Displacement: 13508 kg
Crew weight: 1001 kg
Wetted surface: 48.59 m²

Sails

Mainsail: 67.46 m²
Genoa: 52.11 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 147.02 m²

Design

Type: Dufour 470
Builder: Dufour
Designer: Felci
Year built: 2021
Stability index: 114.1

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.

6,44.4,4.870725,52,5.43,60,5.81,75,6.13,90,6.07,110,6.11,120,5.92,135,5.31,143.3,4.839259,150,4.48
8,42.6,5.828036,52,6.53,60,6.91,75,7.23,90,7.36,110,7.45,120,7.24,135,6.59,147.5,5.845447,150,5.69
10,42,6.620513,52,7.41,60,7.75,75,8,90,8.24,110,8.33,120,8.19,135,7.67,148.2,6.847923,150,6.72
12,41.2,7.243344,52,8.01,60,8.25,75,8.44,90,8.7,110,8.81,120,8.71,135,8.37,148.7,7.712484,150,7.61
14,40,7.545254,52,8.33,60,8.54,75,8.74,90,8.94,110,9.25,120,9.16,135,8.82,149.6,8.231754,150,8.2
16,39.3,7.650158,52,8.46,60,8.71,75,8.99,90,9.1,110,9.7,120,9.65,135,9.26,150,8.58,164,7.78144
20,39.7,7.785292,52,8.55,60,8.82,75,9.31,90,9.69,110,10.26,120,10.7,135,10.25,150,9.22,176.3,8.497712

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.43	5.81	6.13	6.07	6.11	5.92	5.31	4.48
8	6.53	6.91	7.23	7.36	7.45	7.24	6.59	5.69
10	7.41	7.75	8	8.24	8.33	8.19	7.67	6.72
12	8.01	8.25	8.44	8.7	8.81	8.71	8.37	7.61
14	8.33	8.54	8.74	8.94	9.25	9.16	8.82	8.2
16	8.46	8.71	8.99	9.1	9.7	9.65	9.26	8.58
20	8.55	8.82	9.31	9.69	10.26	10.7	10.25	9.22

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.4°	3.48	143.3°	3.88
8	42.6°	4.29	147.5°	4.93
10	42°	4.92	148.2°	5.82
12	41.2°	5.45	148.7°	6.59
14	40°	5.78	149.6°	7.1
16	39.3°	5.92	164°	7.48
20	39.7°	5.99	176.3°	8.48

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