ARCHIMEDES III — ORC Rating

GPH

595

OSN

581.1

LOA

11.506 m

Displacement

5528 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6835

Medium

0.9154

High

1.0268

Triple Offshore

Low

0.8894

Medium

1.1358

High

1.2555

Boat Specifications

Dimensions

Length overall: 11.506 m
Beam: 3.67 m
Draft: 2.02 m
Displacement: 5528 kg
Crew weight: 680 kg
Wetted surface: 28.4 m²

Sails

Mainsail: 45.58 m²
Genoa: 38.1 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 146.86 m²

Design

Type: C&C 115
Builder: TARTAN
Designer: TIM JACKETT
Year built: 2005

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.

6,43.5,4.866453,52,5.41,60,5.74,75,6.13,90,6.39,110,6.19,120,6.02,135,5.35,144,4.833026,150,4.52
8,42,5.786221,52,6.48,60,6.78,75,7.16,90,7.35,110,7.29,120,7.2,135,6.69,147,5.84258,150,5.66
10,41.1,6.475898,52,7.13,60,7.33,75,7.51,90,7.79,110,7.82,120,7.78,135,7.48,148,6.862818,150,6.72
12,39.8,6.664206,52,7.33,60,7.55,75,7.77,90,8.06,110,8.22,120,8.3,135,7.98,150,7.4,150.8,7.343153
14,39,6.704017,52,7.42,60,7.63,75,7.97,90,8.26,110,8.69,120,8.76,135,8.54,150,7.76,151.5,7.6694
16,38.6,6.743265,52,7.45,60,7.68,75,8.07,90,8.43,110,9.09,120,9.09,135,9.14,150,8.14,176,7.287753
20,39.4,6.910532,52,7.57,60,7.81,75,8.16,90,8.74,110,9.63,120,10.06,135,10.69,150,9.18,177,8.061047

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.41	5.74	6.13	6.39	6.19	6.02	5.35	4.52
8	6.48	6.78	7.16	7.35	7.29	7.2	6.69	5.66
10	7.13	7.33	7.51	7.79	7.82	7.78	7.48	6.72
12	7.33	7.55	7.77	8.06	8.22	8.3	7.98	7.4
14	7.42	7.63	7.97	8.26	8.69	8.76	8.54	7.76
16	7.45	7.68	8.07	8.43	9.09	9.09	9.14	8.14
20	7.57	7.81	8.16	8.74	9.63	10.06	10.69	9.18

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.53	144°	3.91
8	42°	4.3	147°	4.9
10	41.1°	4.88	148°	5.82
12	39.8°	5.12	150.8°	6.41
14	39°	5.21	151.5°	6.74
16	38.6°	5.27	176°	7.27
20	39.4°	5.34	177°	8.05

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