AINUR: ORC Rating

GPH

599.8

OSN

585

LOA

9.55 m

Displacement

2524 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6865

Medium

0.9043

High

1.0219

Triple Offshore

Low

0.8879

Medium

1.1207

High

1.2632

Boat Specifications

Dimensions

Length overall: 9.55 m
Beam: 2.96 m
Draft: 2.06 m
Displacement: 2524 kg
Crew weight: 450 kg
Wetted surface: 20.07 m²

Sails

Mainsail: 33.8 m²
Genoa: 32.85 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 66.12 m²

Design

Type: GRAND SURPRISE
Builder: ARCHAMBAULT
Designer: JOUBERT/NIVELT
Year built: 2002

Performance data

Polar CSV

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

6,42.4,5.118793,52,5.75,60,6.09,75,6.36,90,6.33,110,5.9,120,5.69,135,5.04,143,4.582817,150,4.23
8,41.2,6.100358,52,6.72,60,6.91,75,7.05,90,7.06,110,6.98,120,6.85,135,6.3,146,5.596851,150,5.35
10,38.2,6.362482,52,7.06,60,7.25,75,7.47,90,7.52,110,7.57,120,7.43,135,7.06,148.8,6.4417,150,6.36
12,37.1,6.482076,52,7.2,60,7.43,75,7.85,90,8.03,110,8.24,120,8.11,135,7.6,150,6.99,151,6.928726
14,37.1,6.594917,52,7.28,60,7.55,75,8.08,90,8.51,110,8.8,120,8.9,135,8.27,150,7.4,171,6.601273
16,37.1,6.607455,52,7.33,60,7.64,75,8.23,90,8.87,110,9.25,120,9.71,135,9.07,150,7.87,178,7.044291
20,36.8,6.69388,52,7.48,60,7.83,75,8.41,90,9.24,110,10.06,120,10.8,135,11.16,142.5,10.29806,150,9.43

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.75	6.09	6.36	6.33	5.9	5.69	5.04	4.23
8	6.72	6.91	7.05	7.06	6.98	6.85	6.3	5.35
10	7.06	7.25	7.47	7.52	7.57	7.43	7.06	6.36
12	7.2	7.43	7.85	8.03	8.24	8.11	7.6	6.99
14	7.28	7.55	8.08	8.51	8.8	8.9	8.27	7.4
16	7.33	7.64	8.23	8.87	9.25	9.71	9.07	7.87
20	7.48	7.83	8.41	9.24	10.06	10.8	11.16	9.43

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.78	143°	3.66
8	41.2°	4.59	146°	4.64
10	38.2°	5	148.8°	5.51
12	37.1°	5.17	151°	6.06
14	37.1°	5.26	171°	6.52
16	37.1°	5.27	178°	7.04
20	36.8°	5.36	142.5°	8.17

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°	5.75	6.72	7.06	7.20	7.28	7.33	7.48
60°	6.09	6.91	7.25	7.43	7.55	7.64	7.83
75°	6.36	7.05	7.47	7.85	8.08	8.23	8.41
90°	6.33	7.06	7.52	8.03	8.51	8.87	9.24
110°	5.90	6.98	7.57	8.24	8.80	9.25	10.06
120°	5.69	6.85	7.43	8.11	8.90	9.71	10.80
135°	5.04	6.30	7.06	7.60	8.27	9.07	11.16
150°	4.23	5.35	6.36	6.99	7.40	7.87	9.43