CLAN — ORC Rating | RegattaPages

GPH

654.4

OSN

636.5

LOA

10.868 m

Displacement

5800 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6399

Medium

0.8466

High

0.9569

Triple Offshore

Low

0.8172

Medium

1.0284

High

1.1278

Boat Specifications

Dimensions

Length overall: 10.868 m
Beam: 3.25 m
Draft: 1.9 m
Displacement: 5800 kg
Crew weight: 577 kg
Wetted surface: 24.81 m²

Sails

Mainsail: 29.09 m²
Genoa: 48.6 m²
Spinnaker: 101.12 m²
Asymmetric spinnaker: 0 m²

Design

Type: Impala 36
Builder: Cantiere Navale 71
Designer: Peterson
Year built: 1974
Stability index: 126.3

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.

6,42.6,4.673297,52,5.22,60,5.47,75,5.64,90,5.52,110,5.39,120,5.26,135,4.78,145.7,4.260994,150,4.07
8,40.8,5.429362,52,6.06,60,6.26,75,6.39,90,6.35,110,6.4,120,6.31,135,5.88,150,5.14,150.2,5.128114
10,39.6,5.86622,52,6.49,60,6.65,75,6.77,90,6.78,110,6.91,120,6.88,135,6.63,150,6.05,152.3,5.929566
12,39,6.060638,52,6.69,60,6.85,75,7,90,7.05,110,7.23,120,7.24,135,7.06,150,6.69,159.5,6.330924
14,38.4,6.137604,52,6.78,60,6.95,75,7.16,90,7.26,110,7.47,120,7.55,135,7.41,150,7.08,172.7,6.532953
16,38.2,6.197057,52,6.83,60,7.01,75,7.27,90,7.43,110,7.63,120,7.82,135,7.75,150,7.4,177.2,6.908247
20,38.2,6.222507,52,6.88,60,7.07,75,7.39,90,7.69,110,7.88,120,8.19,135,8.39,150,8.05,178.4,7.532937

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.22	5.47	5.64	5.52	5.39	5.26	4.78	4.07
8	6.06	6.26	6.39	6.35	6.4	6.31	5.88	5.14
10	6.49	6.65	6.77	6.78	6.91	6.88	6.63	6.05
12	6.69	6.85	7	7.05	7.23	7.24	7.06	6.69
14	6.78	6.95	7.16	7.26	7.47	7.55	7.41	7.08
16	6.83	7.01	7.27	7.43	7.63	7.82	7.75	7.4
20	6.88	7.07	7.39	7.69	7.88	8.19	8.39	8.05

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.44	145.7°	3.52
8	40.8°	4.11	150.2°	4.45
10	39.6°	4.52	152.3°	5.25
12	39°	4.71	159.5°	5.93
14	38.4°	4.81	172.7°	6.48
16	38.2°	4.87	177.2°	6.9
20	38.2°	4.89	178.4°	7.53

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