URKESKEN: ORC Rating

GPH

685.8

OSN

664.1

LOA

9.19 m

Displacement

4217 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5842

Medium

0.8074

High

0.9469

Triple Offshore

Low

0.7557

Medium

0.9909

High

1.12

Boat Specifications

Dimensions

Length overall: 9.19 m
Beam: 3.2 m
Draft: 1.89 m
Displacement: 4217 kg
Crew weight: 390 kg
Wetted surface: 20.39 m²

Sails

Mainsail: 26.81 m²
Genoa: 25.39 m²
Spinnaker: 64.23 m²
Asymmetric spinnaker: 52.81 m²

Design

Type: ELAN 31
Builder: ELAN
Designer: HUMPHREYS
Year built: 2002
Stability index: 126.3

Performance data

Polar CSV

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

6,43,4.197695,52,4.7,60,4.97,75,5.18,90,5.15,110,5.2,120,5.02,135,4.47,146.6,3.940838,150,3.79
8,41.7,4.942153,52,5.55,60,5.84,75,6.06,90,6.16,110,6.25,120,6.11,135,5.52,150,4.8,151.4,4.738133
10,41.2,5.555445,52,6.18,60,6.38,75,6.53,90,6.7,110,6.77,120,6.7,135,6.4,150,5.71,150.5,5.68733
12,39.6,5.931112,52,6.51,60,6.67,75,6.79,90,7,110,7.1,120,7.04,135,6.82,150,6.46,158.6,6.132822
14,38.2,6.095257,52,6.69,60,6.84,75,7,90,7.25,110,7.44,120,7.38,135,7.14,150,6.83,173,6.327162
16,37.8,6.188659,52,6.78,60,6.96,75,7.17,90,7.39,110,7.77,120,7.76,135,7.5,150,7.14,178.4,6.702613
20,37.8,6.239282,52,6.85,60,7.05,75,7.43,90,7.7,110,8.3,120,8.47,135,8.26,150,7.82,179,7.29111

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.7	4.97	5.18	5.15	5.2	5.02	4.47	3.79
8	5.55	5.84	6.06	6.16	6.25	6.11	5.52	4.8
10	6.18	6.38	6.53	6.7	6.77	6.7	6.4	5.71
12	6.51	6.67	6.79	7	7.1	7.04	6.82	6.46
14	6.69	6.84	7	7.25	7.44	7.38	7.14	6.83
16	6.78	6.96	7.17	7.39	7.77	7.76	7.5	7.14
20	6.85	7.05	7.43	7.7	8.3	8.47	8.26	7.82

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.07	146.6°	3.29
8	41.7°	3.69	151.4°	4.16
10	41.2°	4.18	150.5°	4.95
12	39.6°	4.57	158.6°	5.71
14	38.2°	4.79	173°	6.28
16	37.8°	4.89	178.4°	6.7
20	37.8°	4.93	179°	7.29

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°	4.70	5.55	6.18	6.51	6.69	6.78	6.85
60°	4.97	5.84	6.38	6.67	6.84	6.96	7.05
75°	5.18	6.06	6.53	6.79	7.00	7.17	7.43
90°	5.15	6.16	6.70	7.00	7.25	7.39	7.70
110°	5.20	6.25	6.77	7.10	7.44	7.77	8.30
120°	5.02	6.11	6.70	7.04	7.38	7.76	8.47
135°	4.47	5.52	6.40	6.82	7.14	7.50	8.26
150°	3.79	4.80	5.71	6.46	6.83	7.14	7.82