ALBEN II — ORC Rating

GPH

685.9

OSN

664.4

LOA

9.19 m

Displacement

3850 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6624

Medium

0.9099

High

1.0602

Triple Offshore

Low

0.8516

Medium

1.1141

High

1.2553

Boat Specifications

Dimensions

Length overall: 9.19 m
Beam: 3.2 m
Draft: 1.86 m
Displacement: 3850 kg
Crew weight: 400 kg
Wetted surface: 20.42 m²

Sails

Mainsail: 25.9 m²
Genoa: 25.55 m²
Spinnaker: 46.73 m²
Asymmetric spinnaker: 0 m²

Design

Type: ELAN 31
Builder: ELAN
Designer: HUMPHREYS
Year built: 2000

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.

6,42.1,4.245421,52,4.77,60,5.01,75,5.21,90,5.15,110,5.06,120,4.89,135,4.41,147.3,3.850218,150,3.75
8,40.5,4.98418,52,5.65,60,5.92,75,6.11,90,6.07,110,6.12,120,5.95,135,5.39,150,4.74,151.7,4.667922
10,40.5,5.654874,52,6.27,60,6.45,75,6.57,90,6.66,110,6.69,120,6.6,135,6.23,150,5.58,154.3,5.393546
12,38.8,5.979434,52,6.56,60,6.71,75,6.84,90,6.96,110,7.04,120,6.95,135,6.7,150,6.3,159.6,5.921377
14,37.8,6.112725,52,6.71,60,6.87,75,7.04,90,7.17,110,7.37,120,7.26,135,7.02,150,6.72,180,6.19
16,37.3,6.159853,52,6.78,60,6.97,75,7.21,90,7.33,110,7.72,120,7.62,135,7.34,150,7.02,180,6.63
20,38.2,6.235232,52,6.82,60,7.03,75,7.43,90,7.76,110,8.18,120,8.35,135,8.09,150,7.66,180,7.22

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.77	5.01	5.21	5.15	5.06	4.89	4.41	3.75
8	5.65	5.92	6.11	6.07	6.12	5.95	5.39	4.74
10	6.27	6.45	6.57	6.66	6.69	6.6	6.23	5.58
12	6.56	6.71	6.84	6.96	7.04	6.95	6.7	6.3
14	6.71	6.87	7.04	7.17	7.37	7.26	7.02	6.72
16	6.78	6.97	7.21	7.33	7.72	7.62	7.34	7.02
20	6.82	7.03	7.43	7.76	8.18	8.35	8.09	7.66

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.1°	3.15	147.3°	3.24
8	40.5°	3.79	151.7°	4.11
10	40.5°	4.3	154.3°	4.86
12	38.8°	4.66	159.6°	5.55
14	37.8°	4.83	180°	6.19
16	37.3°	4.9	180°	6.63
20	38.2°	4.9	180°	7.22

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