Just in Time — ORC Rating

GPH

652.3

OSN

633.7

LOA

9.25 m

Displacement

3900 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6196

Medium

0.8456

High

0.9714

Triple Offshore

Low

0.8026

Medium

1.0387

High

1.1647

Boat Specifications

Dimensions

Length overall: 9.25 m
Beam: 3.2 m
Draft: 1.92 m
Displacement: 3900 kg
Crew weight: 565 kg
Wetted surface: 21.64 m²

Sails

Mainsail: 30.71 m²
Genoa: 23.55 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 70.08 m²

Design

Type: Elan 310
Builder: Elan
Designer: Rob Humphreys
Year built: 2009

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.

6,43.1,4.396283,52,4.93,60,5.23,75,5.46,90,5.55,110,5.58,120,5.4,135,4.85,145.5,4.307593,150,4.1
8,42,5.207599,52,5.85,60,6.15,75,6.37,90,6.55,110,6.63,120,6.49,135,5.96,150,5.161511
10,41.2,5.847837,52,6.47,60,6.67,75,6.82,90,7.03,110,7.12,120,7.04,135,6.72,150,6.08,152,5.97997
12,39.6,6.164722,52,6.78,60,6.95,75,7.09,90,7.28,110,7.51,120,7.44,135,7.15,150,6.76,159,6.394736
14,39,6.279387,52,6.92,60,7.11,75,7.33,90,7.43,110,7.92,120,7.88,135,7.54,150,7.15,180,6.58
16,38.6,6.29542,52,6.97,60,7.18,75,7.52,90,7.69,110,8.23,120,8.35,135,7.99,150,7.51,180,7.01
20,39.4,6.40583,52,7,60,7.21,75,7.68,90,8.19,110,8.68,120,9.2,135,9.04,150,8.37,180,7.73

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.93	5.23	5.46	5.55	5.58	5.4	4.85	4.1
8	5.85	6.15	6.37	6.55	6.63	6.49	5.96	5.16
10	6.47	6.67	6.82	7.03	7.12	7.04	6.72	6.08
12	6.78	6.95	7.09	7.28	7.51	7.44	7.15	6.76
14	6.92	7.11	7.33	7.43	7.92	7.88	7.54	7.15
16	6.97	7.18	7.52	7.69	8.23	8.35	7.99	7.51
20	7	7.21	7.68	8.19	8.68	9.2	9.04	8.37

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.21	145.5°	3.55
8	42°	3.87	150°	4.47
10	41.2°	4.4	152°	5.28
12	39.6°	4.75	159°	5.97
14	39°	4.88	180°	6.58
16	38.6°	4.92	180°	7.01
20	39.4°	4.95	180°	7.73

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