NEFELI: ORC Rating

GPH

689.2

OSN

663.8

LOA

10.8 m

Displacement

6432 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5702

Medium

0.8023

High

0.9443

Triple Offshore

Low

0.7368

Medium

0.9948

High

1.1302

Boat Specifications

Dimensions

Length overall: 10.8 m
Beam: 3.72 m
Draft: 2.05 m
Displacement: 6432 kg
Crew weight: 360 kg
Wetted surface: 28.33 m²

Sails

Mainsail: 32.81 m²
Genoa: 33.24 m²
Spinnaker: 84.49 m²
Asymmetric spinnaker: 0 m²

Design

Type: SUN DANCE 36
Builder: Jeanneau
Designer: J & J/ANDRIEU
Year built: 1989

Performance data

Polar CSV

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

6,44.5,4.150015,52,4.56,60,4.83,75,5,90,4.9,110,5.03,120,4.86,135,4.35,145.7,3.837316,150,3.67
8,42.2,4.940574,52,5.5,60,5.76,75,5.95,90,5.98,110,6.15,120,6,135,5.48,149.2,4.784857,150,4.75
10,41,5.525304,52,6.17,60,6.41,75,6.6,90,6.7,110,6.89,120,6.8,135,6.41,150,5.71,150.8,5.670609
12,40.3,5.926561,52,6.59,60,6.8,75,6.98,90,7.09,110,7.31,120,7.26,135,7.01,150,6.5,155.7,6.232148
14,39.9,6.152521,52,6.82,60,7.02,75,7.23,90,7.29,110,7.61,120,7.6,135,7.4,150,7.02,164.6,6.524251
16,39.6,6.242592,52,6.93,60,7.15,75,7.4,90,7.51,110,7.87,120,7.91,135,7.73,150,7.39,175.8,6.838365
20,39.7,6.29062,52,7.01,60,7.24,75,7.6,90,7.85,110,8.16,120,8.45,135,8.39,150,8.02,178.6,7.522245
24,40.7,6.278571,52,7,60,7.27,75,7.7,90,8.08,110,8.39,120,8.78,135,9.13,150,8.69,178.6,8.112422

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.56	4.83	5	4.9	5.03	4.86	4.35	3.67
8	5.5	5.76	5.95	5.98	6.15	6	5.48	4.75
10	6.17	6.41	6.6	6.7	6.89	6.8	6.41	5.71
12	6.59	6.8	6.98	7.09	7.31	7.26	7.01	6.5
14	6.82	7.02	7.23	7.29	7.61	7.6	7.4	7.02
16	6.93	7.15	7.4	7.51	7.87	7.91	7.73	7.39
20	7.01	7.24	7.6	7.85	8.16	8.45	8.39	8.02
24	7	7.27	7.7	8.08	8.39	8.78	9.13	8.69

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.5°	2.96	145.7°	3.17
8	42.2°	3.66	149.2°	4.11
10	41°	4.17	150.8°	4.95
12	40.3°	4.52	155.7°	5.68
14	39.9°	4.72	164.6°	6.29
16	39.6°	4.81	175.8°	6.82
20	39.7°	4.84	178.6°	7.52
24	40.7°	4.76	178.6°	8.11

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°	4.56	5.50	6.17	6.59	6.82	6.93	7.01	7.00
60°	4.83	5.76	6.41	6.80	7.02	7.15	7.24	7.27
75°	5.00	5.95	6.60	6.98	7.23	7.40	7.60	7.70
90°	4.90	5.98	6.70	7.09	7.29	7.51	7.85	8.08
110°	5.03	6.15	6.89	7.31	7.61	7.87	8.16	8.39
120°	4.86	6.00	6.80	7.26	7.60	7.91	8.45	8.78
135°	4.35	5.48	6.41	7.01	7.40	7.73	8.39	9.13
150°	3.67	4.75	5.71	6.50	7.02	7.39	8.02	8.69