Duppen — ORC Rating | RegattaPages

GPH

690.9

OSN

668.6

LOA

9.47 m

Displacement

4358 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5839

Medium

0.8024

High

0.9337

Triple Offshore

Low

0.7519

Medium

0.9836

High

1.1048

Boat Specifications

Dimensions

Length overall: 9.47 m
Beam: 3.3 m
Draft: 1.91 m
Displacement: 4358 kg
Crew weight: 543 kg
Wetted surface: 21.53 m²

Sails

Mainsail: 28.76 m²
Genoa: 25.21 m²
Spinnaker: 55.94 m²
Asymmetric spinnaker: 0 m²

Design

Type: ELAN 31
Builder: Elan marine
Designer: Rob Huphrey
Year built: 2003
Stability index: 111.9

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.

6,42.9,4.231834,52,4.73,60,4.99,75,5.17,90,5.08,110,5.07,120,4.89,135,4.4,146.6,3.892925,150,3.75
8,41.4,4.972597,52,5.58,60,5.87,75,6.07,90,6.08,110,6.13,120,5.94,135,5.4,150,4.76,151.6,4.683689
10,40.9,5.583093,52,6.2,60,6.4,75,6.54,90,6.64,110,6.68,120,6.59,135,6.24,150,5.61,153.8,5.43879
12,39.4,5.939952,52,6.53,60,6.67,75,6.8,90,6.93,110,7.01,120,6.94,135,6.7,150,6.32,158.8,5.974319
14,38.4,6.073803,52,6.68,60,6.84,75,7,90,7.09,110,7.33,120,7.25,135,7.01,150,6.72,173.6,6.218756
16,38.1,6.137737,52,6.75,60,6.93,75,7.17,90,7.26,110,7.65,120,7.6,135,7.34,150,7.02,179,6.621008
20,38.2,6.158882,52,6.79,60,6.99,75,7.37,90,7.67,110,8.04,120,8.28,135,8.08,150,7.67,179,7.201097

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.73	4.99	5.17	5.08	5.07	4.89	4.4	3.75
8	5.58	5.87	6.07	6.08	6.13	5.94	5.4	4.76
10	6.2	6.4	6.54	6.64	6.68	6.59	6.24	5.61
12	6.53	6.67	6.8	6.93	7.01	6.94	6.7	6.32
14	6.68	6.84	7	7.09	7.33	7.25	7.01	6.72
16	6.75	6.93	7.17	7.26	7.65	7.6	7.34	7.02
20	6.79	6.99	7.37	7.67	8.04	8.28	8.08	7.67

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	3.1	146.6°	3.25
8	41.4°	3.73	151.6°	4.12
10	40.9°	4.22	153.8°	4.88
12	39.4°	4.59	158.8°	5.57
14	38.4°	4.76	173.6°	6.18
16	38.1°	4.83	179°	6.62
20	38.2°	4.84	179°	7.2

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