Helter Skelter: ORC Rating

GPH

618.6

OSN

600.9

LOA

11.33 m

Displacement

6499 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7393

Medium

1.0046

High

1.1598

Triple Offshore

Low

0.9531

Medium

1.2316

High

1.3758

Boat Specifications

Dimensions

Length overall: 11.33 m
Beam: 3.59 m
Draft: 2.35 m
Displacement: 6499 kg
Crew weight: 711 kg
Wetted surface: 28.7 m²

Sails

Mainsail: 38.84 m²
Genoa: 42.04 m²
Spinnaker: 89.31 m²
Asymmetric spinnaker: 0 m²

Design

Type: Elan 37 dyp kjøl
Builder: Elan Marine
Designer: HUMPHREYS ROB
Year built: 2003

Performance data

Polar CSV

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

6,42.1,4.811477,52,5.4,60,5.69,75,5.93,90,5.84,110,5.59,120,5.43,135,4.91,145,4.370373,150,4.13
8,40.4,5.620203,52,6.37,60,6.65,75,6.85,90,6.82,110,6.77,120,6.61,135,6.02,149.7,5.223562,150,5.21
10,39.9,6.308941,52,6.99,60,7.17,75,7.3,90,7.31,110,7.39,120,7.31,135,6.93,150,6.16,151,6.105511
12,38.6,6.589719,52,7.26,60,7.42,75,7.57,90,7.6,110,7.76,120,7.7,135,7.43,150,6.96,155.9,6.671529
14,37.7,6.685848,52,7.37,60,7.55,75,7.77,90,7.84,110,8.1,120,8.06,135,7.79,150,7.42,172.3,6.781144
16,37.4,6.734519,52,7.43,60,7.62,75,7.92,90,8.08,110,8.38,120,8.46,135,8.17,150,7.75,180,7.25
20,37.2,6.754297,52,7.46,60,7.67,75,8.06,90,8.48,110,8.75,120,9.11,135,9.04,150,8.49,180,7.92

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.4	5.69	5.93	5.84	5.59	5.43	4.91	4.13
8	6.37	6.65	6.85	6.82	6.77	6.61	6.02	5.21
10	6.99	7.17	7.3	7.31	7.39	7.31	6.93	6.16
12	7.26	7.42	7.57	7.6	7.76	7.7	7.43	6.96
14	7.37	7.55	7.77	7.84	8.1	8.06	7.79	7.42
16	7.43	7.62	7.92	8.08	8.38	8.46	8.17	7.75
20	7.46	7.67	8.06	8.48	8.75	9.11	9.04	8.49

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.1°	3.57	145°	3.58
8	40.4°	4.28	149.7°	4.51
10	39.9°	4.84	151°	5.34
12	38.6°	5.15	155.9°	6.09
14	37.7°	5.29	172.3°	6.72
16	37.4°	5.35	180°	7.25
20	37.2°	5.38	180°	7.92

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 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)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	5.40	6.37	6.99	7.26	7.37	7.43	7.46
60°	5.69	6.65	7.17	7.42	7.55	7.62	7.67
75°	5.93	6.85	7.30	7.57	7.77	7.92	8.06
90°	5.84	6.82	7.31	7.60	7.84	8.08	8.48
110°	5.59	6.77	7.39	7.76	8.10	8.38	8.75
120°	5.43	6.61	7.31	7.70	8.06	8.46	9.11
135°	4.91	6.02	6.93	7.43	7.79	8.17	9.04
150°	4.13	5.21	6.16	6.96	7.42	7.75	8.49