Overstag — ORC Rating

GPH

619.7

OSN

603.1

LOA

11.9 m

Displacement

8564 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7402

Medium

0.9936

High

1.1484

Triple Offshore

Low

0.9539

Medium

1.2285

High

1.37

Boat Specifications

Dimensions

Length overall: 11.9 m
Beam: 3.83 m
Draft: 2.1 m
Displacement: 8564 kg
Crew weight: 175 kg
Wetted surface: 33.29 m²

Sails

Mainsail: 46.9 m²
Genoa: 44.73 m²
Spinnaker: 101.45 m²
Asymmetric spinnaker: 84.99 m²

Design

Type: Elan 40x2.05
Builder: Elan Yachts
Designer: R. Humphreys
Year built: 2003

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.

6,42.5,4.80145,52,5.36,60,5.65,75,5.87,90,5.82,110,5.64,120,5.48,135,4.97,144.8,4.442297,150,4.19
8,40.7,5.579486,52,6.31,60,6.62,75,6.85,90,6.82,110,6.82,120,6.64,135,6.08,149.9,5.282312,150,5.28
10,40.8,6.208759,52,6.95,60,7.19,75,7.36,90,7.41,110,7.49,120,7.4,135,7,150,6.22,151.8,6.115941
12,40.5,6.549133,52,7.24,60,7.45,75,7.63,90,7.7,110,7.84,120,7.79,135,7.54,150,7.03,155.3,6.758332
14,39.8,6.677222,52,7.37,60,7.58,75,7.81,90,7.91,110,8.14,120,8.12,135,7.89,150,7.53,171.4,6.867212
16,39.3,6.719734,52,7.43,60,7.64,75,7.93,90,8.11,110,8.42,120,8.46,135,8.23,150,7.86,180,7.35
20,38.8,6.774981,52,7.47,60,7.69,75,8.05,90,8.45,110,8.74,120,9.11,135,8.99,150,8.53,180,8.02

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.36	5.65	5.87	5.82	5.64	5.48	4.97	4.19
8	6.31	6.62	6.85	6.82	6.82	6.64	6.08	5.28
10	6.95	7.19	7.36	7.41	7.49	7.4	7	6.22
12	7.24	7.45	7.63	7.7	7.84	7.79	7.54	7.03
14	7.37	7.58	7.81	7.91	8.14	8.12	7.89	7.53
16	7.43	7.64	7.93	8.11	8.42	8.46	8.23	7.86
20	7.47	7.69	8.05	8.45	8.74	9.11	8.99	8.53

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.5°	3.54	144.8°	3.63
8	40.7°	4.23	149.9°	4.57
10	40.8°	4.7	151.8°	5.39
12	40.5°	4.98	155.3°	6.14
14	39.8°	5.13	171.4°	6.79
16	39.3°	5.2	180°	7.35
20	38.8°	5.28	180°	8.02

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