Surfin Lady — ORC Rating

GPH

570.5

OSN

556.7

LOA

11.95 m

Displacement

7500 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7127

Medium

0.9503

High

1.0767

Triple Offshore

Low

0.9306

Medium

1.1821

High

1.3147

Boat Specifications

Dimensions

Length overall: 11.95 m
Beam: 3.87 m
Draft: 2.38 m
Displacement: 7500 kg
Crew weight: 795 kg
Wetted surface: 32.77 m²

Sails

Mainsail: 49.86 m²
Genoa: 39.88 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 139.28 m²

Design

Type: Elan S5
Builder: Elan
Designer: Rob Humphreys
Year built: 2013
Stability index: 126.2

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.

6,44.8,5.284885,52,5.84,60,6.28,75,6.76,90,6.86,110,6.22,120,6.06,135,5.45,143.9,4.950557,150,4.62
8,43,6.207667,52,6.95,60,7.33,75,7.65,90,7.7,110,7.46,120,7.35,135,6.78,146.9,6.016339,150,5.82
10,41.8,6.733953,52,7.47,60,7.76,75,8.05,90,8.1,110,8.07,120,7.99,135,7.68,148.5,6.990053,150,6.88
12,39.6,6.982359,52,7.7,60,7.96,75,8.31,90,8.43,110,8.51,120,8.48,135,8.18,150,7.63,150.5,7.594596
14,38.8,7.095766,52,7.85,60,8.07,75,8.48,90,8.77,110,8.85,120,9.03,135,8.67,150,8.02,152,7.882688
16,38.8,7.198417,52,7.92,60,8.16,75,8.6,90,9.06,110,9.13,120,9.54,135,9.24,150,8.34,171.8,7.486541
20,38.1,7.306829,52,8,60,8.21,75,8.78,90,9.38,110,9.77,120,10.23,135,10.68,150,9.12,176.6,8.214459

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.84	6.28	6.76	6.86	6.22	6.06	5.45	4.62
8	6.95	7.33	7.65	7.7	7.46	7.35	6.78	5.82
10	7.47	7.76	8.05	8.1	8.07	7.99	7.68	6.88
12	7.7	7.96	8.31	8.43	8.51	8.48	8.18	7.63
14	7.85	8.07	8.48	8.77	8.85	9.03	8.67	8.02
16	7.92	8.16	8.6	9.06	9.13	9.54	9.24	8.34
20	8	8.21	8.78	9.38	9.77	10.23	10.68	9.12

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.8°	3.75	143.9°	4
8	43°	4.54	146.9°	5.04
10	41.8°	5.02	148.5°	5.96
12	39.6°	5.38	150.5°	6.61
14	38.8°	5.53	152°	6.96
16	38.8°	5.61	171.8°	7.41
20	38.1°	5.75	176.6°	8.2

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