ETELBURG: ORC Rating

GPH

612.6

OSN

596.7

LOA

10.588 m

Displacement

5347 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6592

Medium

0.8885

High

1.0091

Triple Offshore

Low

0.8591

Medium

1.105

High

1.2296

Boat Specifications

Dimensions

Length overall: 10.588 m
Beam: 3.54 m
Draft: 1.69 m
Displacement: 5347 kg
Crew weight: 690 kg
Wetted surface: 26.76 m²

Sails

Mainsail: 38.71 m²
Genoa: 30.33 m²
Spinnaker: 106.33 m²
Asymmetric spinnaker: 138.53 m²

Design

Type: ELAN E4
Builder: ELAN
Designer: Humphreys
Year built: 2014

Performance data

Polar CSV

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

6,45.2,4.683281,52,5.14,60,5.51,75,6,90,6.13,110,6.02,120,5.92,135,5.29,144.1,4.814567,150,4.5
8,43.4,5.560337,52,6.14,60,6.5,75,6.92,90,7.07,110,7.12,120,7.07,135,6.61,147.9,5.796096,150,5.66
10,41.6,6.111275,52,6.77,60,7.02,75,7.38,90,7.56,110,7.69,120,7.7,135,7.43,148.1,6.808236,150,6.68
12,40.9,6.416588,52,7.1,60,7.33,75,7.61,90,7.91,110,8.09,120,8.2,135,7.97,150,7.4,150.5,7.364805
14,40.5,6.549133,52,7.25,60,7.5,75,7.78,90,8.18,110,8.37,120,8.67,135,8.51,150,7.78,166.7,7.131269
16,40.4,6.618183,52,7.32,60,7.58,75,7.96,90,8.36,110,8.69,120,9.04,135,9.07,150,8.16,176.8,7.47165
20,40.8,6.671114,52,7.38,60,7.66,75,8.14,90,8.62,110,9.39,120,9.66,135,10.47,150,9.13,177.1,8.310643
24,42.4,6.662556,52,7.33,60,7.63,75,8.22,90,8.86,110,9.94,120,10.27,135,12.15,141.3,12.467479,150,11.24

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.14	5.51	6	6.13	6.02	5.92	5.29	4.5
8	6.14	6.5	6.92	7.07	7.12	7.07	6.61	5.66
10	6.77	7.02	7.38	7.56	7.69	7.7	7.43	6.68
12	7.1	7.33	7.61	7.91	8.09	8.2	7.97	7.4
14	7.25	7.5	7.78	8.18	8.37	8.67	8.51	7.78
16	7.32	7.58	7.96	8.36	8.69	9.04	9.07	8.16
20	7.38	7.66	8.14	8.62	9.39	9.66	10.47	9.13
24	7.33	7.63	8.22	8.86	9.94	10.27	12.15	11.24

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.2°	3.3	144.1°	3.9
8	43.4°	4.04	147.9°	4.91
10	41.6°	4.57	148.1°	5.78
12	40.9°	4.85	150.5°	6.41
14	40.5°	4.98	166.7°	6.94
16	40.4°	5.04	176.8°	7.46
20	40.8°	5.05	177.1°	8.3
24	42.4°	4.92	141.3°	9.73

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°	5.14	6.14	6.77	7.10	7.25	7.32	7.38	7.33
60°	5.51	6.50	7.02	7.33	7.50	7.58	7.66	7.63
75°	6.00	6.92	7.38	7.61	7.78	7.96	8.14	8.22
90°	6.13	7.07	7.56	7.91	8.18	8.36	8.62	8.86
110°	6.02	7.12	7.69	8.09	8.37	8.69	9.39	9.94
120°	5.92	7.07	7.70	8.20	8.67	9.04	9.66	10.27
135°	5.29	6.61	7.43	7.97	8.51	9.07	10.47	12.15
150°	4.50	5.66	6.68	7.40	7.78	8.16	9.13	11.24