Surfin Lady: ORC Rating

GPH

585.2

OSN

570.2

LOA

11.94 m

Displacement

8107 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6905

Medium

0.9293

High

1.0544

Triple Offshore

Low

0.9002

Medium

1.1562

High

1.286

Boat Specifications

Dimensions

Length overall: 11.94 m
Beam: 3.89 m
Draft: 2.35 m
Displacement: 8107 kg
Crew weight: 829 kg
Wetted surface: 35.02 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: RobHumphreys
Year built: 2013

Performance data

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.

6,45.4,5.141329,52,5.65,60,6.08,75,6.45,90,6.47,110,6.07,120,5.92,135,5.31,143.1,4.851913,150,4.48
8,41.2,5.834547,52,6.68,60,7.05,75,7.35,90,7.41,110,7.28,120,7.16,135,6.61,146.8,5.879792,150,5.69
10,39.7,6.407594,52,7.22,60,7.53,75,7.82,90,7.92,110,7.94,120,7.89,135,7.53,148.2,6.836157,150,6.71
12,39.1,6.752174,52,7.52,60,7.75,75,8.09,90,8.27,110,8.36,120,8.37,135,8.1,149.5,7.509031,150,7.47
14,38.6,6.909608,52,7.7,60,7.93,75,8.25,90,8.56,110,8.71,120,8.83,135,8.58,150,7.92,150.3,7.89748
16,38.4,7.00529,52,7.79,60,8.03,75,8.36,90,8.8,110,8.96,120,9.27,135,9.07,150,8.26,171.2,7.34648
20,38.2,7.087804,52,7.9,60,8.15,75,8.59,90,9.09,110,9.53,120,9.89,135,10.16,150,8.96,175.8,8.141865
24,38.8,7.108598,52,7.91,60,8.19,75,8.71,90,9.27,110,10.12,120,10.43,135,11.65,150,9.77,175.5,8.867335

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.65	6.08	6.45	6.47	6.07	5.92	5.31	4.48
8	6.68	7.05	7.35	7.41	7.28	7.16	6.61	5.69
10	7.22	7.53	7.82	7.92	7.94	7.89	7.53	6.71
12	7.52	7.75	8.09	8.27	8.36	8.37	8.1	7.47
14	7.7	7.93	8.25	8.56	8.71	8.83	8.58	7.92
16	7.79	8.03	8.36	8.8	8.96	9.27	9.07	8.26
20	7.9	8.15	8.59	9.09	9.53	9.89	10.16	8.96
24	7.91	8.19	8.71	9.27	10.12	10.43	11.65	9.77

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.4°	3.61	143.1°	3.88
8	41.2°	4.39	146.8°	4.92
10	39.7°	4.93	148.2°	5.81
12	39.1°	5.24	149.5°	6.47
14	38.6°	5.4	150.3°	6.86
16	38.4°	5.49	171.2°	7.26
20	38.2°	5.57	175.8°	8.12
24	38.8°	5.54	175.5°	8.84

VPP POLAR · BOAT SPEED BY TWAKT

TRUE WIND ANGLE —

READ AT ANGLE

Hover or tap the chart, or use the slider, to read boat speeds.

True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt24 kt

Data table

Boat speed by true wind angle and true wind speed
TWA	Boat speed in 6 kt (kt)	Boat speed in 8 kt (kt)	Boat speed in 10 kt (kt)	Boat speed in 12 kt (kt)	Boat speed in 14 kt (kt)	Boat speed in 16 kt (kt)	Boat speed in 20 kt (kt)	Boat speed in 24 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	5.65	6.68	7.22	7.52	7.70	7.79	7.90	7.91
60°	6.08	7.05	7.53	7.75	7.93	8.03	8.15	8.19
75°	6.45	7.35	7.82	8.09	8.25	8.36	8.59	8.71
90°	6.47	7.41	7.92	8.27	8.56	8.80	9.09	9.27
110°	6.07	7.28	7.94	8.36	8.71	8.96	9.53	10.12
120°	5.92	7.16	7.89	8.37	8.83	9.27	9.89	10.43
135°	5.31	6.61	7.53	8.10	8.58	9.07	10.16	11.65
150°	4.48	5.69	6.71	7.47	7.92	8.26	8.96	9.77