ARCHIMEDES III — ORC Rating

GPH

584.6

OSN

570.2

LOA

11.506 m

Displacement

5634 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.714

Medium

0.9367

High

1.0383

Triple Offshore

Low

0.9173

Medium

1.1501

High

1.2603

Boat Specifications

Dimensions

Length overall: 11.506 m
Beam: 3.67 m
Draft: 2.02 m
Displacement: 5634 kg
Crew weight: 670 kg
Wetted surface: 28.42 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
Stability index: 113.2

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.

6,43,5.113805,52,5.7,60,5.99,75,6.19,90,6.41,110,6.23,120,6.12,135,5.49,143.9,4.987686,150,4.65
8,40.8,5.997397,52,6.68,60,6.9,75,7.1,90,7.3,110,7.29,120,7.22,135,6.79,147.3,6.012995,150,5.84
10,39.3,6.50005,52,7.19,60,7.37,75,7.5,90,7.75,110,7.82,120,7.82,135,7.55,149.2,6.903698,150,6.84
12,38.2,6.655156,52,7.38,60,7.58,75,7.79,90,8,110,8.18,120,8.29,135,8.08,150,7.5,150.7,7.453536
14,37.6,6.727338,52,7.47,60,7.68,75,7.97,90,8.17,110,8.57,120,8.7,135,8.6,150,7.89,150.1,7.890213
16,37.6,6.790446,52,7.52,60,7.74,75,8.08,90,8.37,110,8.91,120,9.02,135,9.16,150,8.25,173.9,7.311398
20,38.4,6.864929,52,7.56,60,7.8,75,8.21,90,8.65,110,9.42,120,9.85,135,10.65,150,9.03,174.8,8.093309

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.7	5.99	6.19	6.41	6.23	6.12	5.49	4.65
8	6.68	6.9	7.1	7.3	7.29	7.22	6.79	5.84
10	7.19	7.37	7.5	7.75	7.82	7.82	7.55	6.84
12	7.38	7.58	7.79	8	8.18	8.29	8.08	7.5
14	7.47	7.68	7.97	8.17	8.57	8.7	8.6	7.89
16	7.52	7.74	8.08	8.37	8.91	9.02	9.16	8.25
20	7.56	7.8	8.21	8.65	9.42	9.85	10.65	9.03

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.74	143.9°	4.03
8	40.8°	4.54	147.3°	5.06
10	39.3°	5.03	149.2°	5.93
12	38.2°	5.23	150.7°	6.5
14	37.6°	5.33	150.1°	6.84
16	37.6°	5.38	173.9°	7.27
20	38.4°	5.38	174.8°	8.06

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