Licence IV — ORC Rating

GPH

615.3

OSN

597.4

LOA

9.55 m

Displacement

2651 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6592

Medium

0.8918

High

1.0179

Triple Offshore

Low

0.8528

Medium

1.0996

High

1.2442

Boat Specifications

Dimensions

Length overall: 9.55 m
Beam: 2.96 m
Draft: 2.07 m
Displacement: 2651 kg
Crew weight: 500 kg
Wetted surface: 20.09 m²

Sails

Mainsail: 32.9 m²
Genoa: 22.58 m²
Spinnaker: 70.47 m²
Asymmetric spinnaker: 0 m²

Design

Type: GRAND-SURPRISE
Builder: ARCHAMBAULT
Designer: JOUBERT/NIVELT
Year built: 2000
Stability index: 109.4

Velocity Prediction

Polar CSV

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

6,43,4.744626,52,5.31,60,5.63,75,5.9,90,5.81,110,5.82,120,5.63,135,5.03,143,4.582817,150,4.23
8,41.8,5.687641,52,6.36,60,6.62,75,6.81,90,6.85,110,6.95,120,6.84,135,6.31,146.6,5.581855,150,5.38
10,40,6.226793,52,6.87,60,7.06,75,7.23,90,7.27,110,7.53,120,7.44,135,7.09,150,6.43,150.7,6.387107
12,38.8,6.364376,52,7.04,60,7.27,75,7.59,90,7.71,110,8.05,120,8.11,135,7.65,150,7.1,158.3,6.758992
14,38.4,6.418326,52,7.12,60,7.38,75,7.87,90,8.19,110,8.42,120,8.79,135,8.35,150,7.62,171.8,6.93086
16,38.2,6.477006,52,7.16,60,7.44,75,8.03,90,8.6,110,8.77,120,9.27,135,9.19,150,8.25,176.6,7.352942
20,39,6.626812,52,7.31,60,7.65,75,8.19,90,9.04,110,9.58,120,10.13,135,11.2,150,9.87,151.8,9.701539

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.31	5.63	5.9	5.81	5.82	5.63	5.03	4.23
8	6.36	6.62	6.81	6.85	6.95	6.84	6.31	5.38
10	6.87	7.06	7.23	7.27	7.53	7.44	7.09	6.43
12	7.04	7.27	7.59	7.71	8.05	8.11	7.65	7.1
14	7.12	7.38	7.87	8.19	8.42	8.79	8.35	7.62
16	7.16	7.44	8.03	8.6	8.77	9.27	9.19	8.25
20	7.31	7.65	8.19	9.04	9.58	10.13	11.2	9.87

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.47	143°	3.66
8	41.8°	4.24	146.6°	4.66
10	40°	4.77	150.7°	5.57
12	38.8°	4.96	158.3°	6.28
14	38.4°	5.03	171.8°	6.86
16	38.2°	5.09	176.6°	7.34
20	39°	5.15	151.8°	8.55

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