ALEXANDRA — ORC Rating

GPH

628.2

OSN

608.1

LOA

11.215 m

Displacement

5902 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6461

Medium

0.8803

High

1.0097

Triple Offshore

Low

0.8312

Medium

1.081

High

1.2048

Boat Specifications

Dimensions

Length overall: 11.215 m
Beam: 3.59 m
Draft: 2.05 m
Displacement: 5902 kg
Crew weight: 400 kg
Wetted surface: 26.69 m²

Sails

Mainsail: 35.85 m²
Genoa: 31.4 m²
Spinnaker: 91.39 m²
Asymmetric spinnaker: 0 m²

Design

Type: Elan 37 SD
Builder: Elan Yachts
Designer: Humphreys
Year built: 2004

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.

6,43.5,4.659663,52,5.16,60,5.44,75,5.64,90,5.55,110,5.64,120,5.51,135,4.98,143.9,4.467878,150,4.17
8,41.2,5.488993,52,6.13,60,6.38,75,6.58,90,6.58,110,6.78,120,6.67,135,6.17,148,5.436012,150,5.32
10,40,6.070144,52,6.75,60,6.96,75,7.12,90,7.18,110,7.41,120,7.36,135,7,150,6.3,151.5,6.212897
12,39.1,6.365599,52,7.07,60,7.27,75,7.45,90,7.48,110,7.8,120,7.8,135,7.53,150,7.05,156.7,6.739642
14,38.7,6.483602,52,7.22,60,7.43,75,7.66,90,7.75,110,8.1,120,8.18,135,7.94,150,7.53,166,6.98756
16,38.5,6.555005,52,7.29,60,7.51,75,7.82,90,7.98,110,8.29,120,8.52,135,8.35,150,7.92,176.3,7.315248
20,38.8,6.608173,52,7.34,60,7.58,75,7.97,90,8.34,110,8.61,120,9,135,9.24,150,8.73,178.1,8.054428
24,40,6.592307,52,7.32,60,7.57,75,8.04,90,8.54,110,8.77,120,9.4,135,10.47,150,9.75,177.2,8.820531

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.16	5.44	5.64	5.55	5.64	5.51	4.98	4.17
8	6.13	6.38	6.58	6.58	6.78	6.67	6.17	5.32
10	6.75	6.96	7.12	7.18	7.41	7.36	7	6.3
12	7.07	7.27	7.45	7.48	7.8	7.8	7.53	7.05
14	7.22	7.43	7.66	7.75	8.1	8.18	7.94	7.53
16	7.29	7.51	7.82	7.98	8.29	8.52	8.35	7.92
20	7.34	7.58	7.97	8.34	8.61	9	9.24	8.73
24	7.32	7.57	8.04	8.54	8.77	9.4	10.47	9.75

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.38	143.9°	3.61
8	41.2°	4.13	148°	4.61
10	40°	4.65	151.5°	5.46
12	39.1°	4.94	156.7°	6.19
14	38.7°	5.06	166°	6.78
16	38.5°	5.13	176.3°	7.3
20	38.8°	5.15	178.1°	8.05
24	40°	5.05	177.2°	8.81

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