FILU: ORC Rating

GPH

618.8

OSN

601.5

LOA

9.55 m

Displacement

2704 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6614

Medium

0.8894

High

1.0106

Triple Offshore

Low

0.852

Medium

1.0918

High

1.2261

Boat Specifications

Dimensions

Length overall: 9.55 m
Beam: 2.96 m
Draft: 2.08 m
Displacement: 2704 kg
Crew weight: 450 kg
Wetted surface: 20.49 m²

Sails

Mainsail: 30.63 m²
Genoa: 23.63 m²
Spinnaker: 79.08 m²
Asymmetric spinnaker: 0 m²

Design

Type: GRAND SURPRISE
Builder: ARCHAMBAULT
Designer: JOUBERT/NIVELT
Year built: 2000

Performance data

Polar CSV

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

6,42.8,4.715632,52,5.26,60,5.56,75,5.81,90,5.74,110,5.82,120,5.67,135,5.1,141.8,4.746411,150,4.31
8,41.2,5.582027,52,6.28,60,6.54,75,6.72,90,6.78,110,6.92,120,6.82,135,6.35,147,5.604107,150,5.43
10,39.8,6.169597,52,6.82,60,6.99,75,7.14,90,7.18,110,7.45,120,7.4,135,7.1,150,6.44,150.5,6.411172
12,38.6,6.308216,52,6.99,60,7.2,75,7.46,90,7.55,110,7.85,120,8.01,135,7.64,150,7.1,158,6.762413
14,38.2,6.362482,52,7.06,60,7.29,75,7.7,90,7.97,110,8.19,120,8.54,135,8.3,150,7.59,180,6.85
16,38.2,6.426106,52,7.09,60,7.34,75,7.83,90,8.33,110,8.53,120,8.94,135,9.09,150,8.19,180,7.32
20,38.2,6.502456,52,7.22,60,7.5,75,7.96,90,8.69,110,9.19,120,9.74,135,10.78,150,9.71,151.5,9.569682

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.26	5.56	5.81	5.74	5.82	5.67	5.1	4.31
8	6.28	6.54	6.72	6.78	6.92	6.82	6.35	5.43
10	6.82	6.99	7.14	7.18	7.45	7.4	7.1	6.44
12	6.99	7.2	7.46	7.55	7.85	8.01	7.64	7.1
14	7.06	7.29	7.7	7.97	8.19	8.54	8.3	7.59
16	7.09	7.34	7.83	8.33	8.53	8.94	9.09	8.19
20	7.22	7.5	7.96	8.69	9.19	9.74	10.78	9.71

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.46	141.8°	3.73
8	41.2°	4.2	147°	4.7
10	39.8°	4.74	150.5°	5.58
12	38.6°	4.93	158°	6.27
14	38.2°	5	180°	6.85
16	38.2°	5.05	180°	7.32
20	38.2°	5.11	151.5°	8.41

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°	5.26	6.28	6.82	6.99	7.06	7.09	7.22
60°	5.56	6.54	6.99	7.20	7.29	7.34	7.50
75°	5.81	6.72	7.14	7.46	7.70	7.83	7.96
90°	5.74	6.78	7.18	7.55	7.97	8.33	8.69
110°	5.82	6.92	7.45	7.85	8.19	8.53	9.19
120°	5.67	6.82	7.40	8.01	8.54	8.94	9.74
135°	5.10	6.35	7.10	7.64	8.30	9.09	10.78
150°	4.31	5.43	6.44	7.10	7.59	8.19	9.71