GRIOTTINE — ORC Rating

GPH

641.5

OSN

621.5

LOA

9.45 m

Displacement

2351 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6296

Medium

0.8599

High

0.9843

Triple Offshore

Low

0.8143

Medium

1.0571

High

1.1916

Boat Specifications

Dimensions

Length overall: 9.45 m
Beam: 2.49 m
Draft: 1.68 m
Displacement: 2351 kg
Crew weight: 519 kg
Wetted surface: 17.84 m²

Sails

Mainsail: 26.34 m²
Genoa: 20.59 m²
Spinnaker: 61.07 m²
Asymmetric spinnaker: 0 m²

Design

Type: SHAMROCK MK2 mod
Builder: KL NAUTIC
Designer: BRETECHET Gilles
Year built: 1991
Stability index: 115

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.

6,43.8,4.655286,52,5.16,60,5.45,75,5.62,90,5.49,110,5.54,120,5.36,135,4.8,138.1,4.621721,150,3.97
8,41.5,5.500993,52,6.11,60,6.34,75,6.5,90,6.51,110,6.62,120,6.49,135,5.98,147.8,5.199758,150,5.08
10,39.4,5.978775,52,6.63,60,6.8,75,6.95,90,7.02,110,7.21,120,7.12,135,6.77,150,6.07,150.5,6.043506
12,38.2,6.171607,52,6.87,60,7.07,75,7.28,90,7.32,110,7.69,120,7.66,135,7.29,150,6.8,157.4,6.499062
14,38.2,6.298857,52,6.98,60,7.21,75,7.55,90,7.68,110,8.1,120,8.19,135,7.83,150,7.29,170,6.681507
16,38.2,6.362482,52,7.05,60,7.3,75,7.72,90,8,110,8.39,120,8.72,135,8.43,150,7.78,177.2,7.068439
20,39,6.446665,52,7.11,60,7.4,75,7.92,90,8.46,110,8.94,120,9.62,135,10.03,150,8.96,174.8,8.002937

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.16	5.45	5.62	5.49	5.54	5.36	4.8	3.97
8	6.11	6.34	6.5	6.51	6.62	6.49	5.98	5.08
10	6.63	6.8	6.95	7.02	7.21	7.12	6.77	6.07
12	6.87	7.07	7.28	7.32	7.69	7.66	7.29	6.8
14	6.98	7.21	7.55	7.68	8.1	8.19	7.83	7.29
16	7.05	7.3	7.72	8	8.39	8.72	8.43	7.78
20	7.11	7.4	7.92	8.46	8.94	9.62	10.03	8.96

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.8°	3.36	138.1°	3.44
8	41.5°	4.12	147.8°	4.4
10	39.4°	4.62	150.5°	5.26
12	38.2°	4.85	157.4°	6
14	38.2°	4.95	170°	6.58
16	38.2°	5	177.2°	7.06
20	39°	5.01	174.8°	7.97

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