EPIC CIRCUS — ORC Rating

GPH

617.1

OSN

597.1

LOA

10.57 m

Displacement

3893 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6584

Medium

0.8924

High

1.0129

Triple Offshore

Low

0.8468

Medium

1.0991

High

1.2352

Boat Specifications

Dimensions

Length overall: 10.57 m
Beam: 3.35 m
Draft: 2 m
Displacement: 3893 kg
Crew weight: 474 kg
Wetted surface: 24.32 m²

Sails

Mainsail: 34.39 m²
Genoa: 24.88 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 89.59 m²

Design

Type: J 105
Builder: TILLOTSON-PEARSON
Designer: JOHNSTONE
Year built: 1991
Stability index: 113.5

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.

6,43.2,4.69156,52,5.22,60,5.5,75,5.67,90,5.73,110,5.79,120,5.63,135,5.05,143.3,4.614757,150,4.27
8,40.8,5.561463,52,6.22,60,6.47,75,6.62,90,6.8,110,6.93,120,6.8,135,6.29,147.3,5.597076,150,5.43
10,39,6.150711,52,6.84,60,7.01,75,7.15,90,7.32,110,7.53,120,7.46,135,7.13,148.7,6.495339,150,6.41
12,37.6,6.424418,52,7.13,60,7.31,75,7.49,90,7.59,110,8.01,120,8.01,135,7.69,150,7.08,150.1,7.0712
14,37,6.548669,52,7.28,60,7.49,75,7.76,90,7.85,110,8.41,120,8.54,135,8.25,149.3,7.547808,150,7.5
16,36.6,6.614206,52,7.37,60,7.6,75,7.96,90,8.16,110,8.71,120,9.06,135,8.86,150,7.89,173.9,6.989575
20,37,6.711447,52,7.46,60,7.72,75,8.19,90,8.64,110,9.28,120,9.99,135,10.44,142.6,9.805963,150,8.99

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.22	5.5	5.67	5.73	5.79	5.63	5.05	4.27
8	6.22	6.47	6.62	6.8	6.93	6.8	6.29	5.43
10	6.84	7.01	7.15	7.32	7.53	7.46	7.13	6.41
12	7.13	7.31	7.49	7.59	8.01	8.01	7.69	7.08
14	7.28	7.49	7.76	7.85	8.41	8.54	8.25	7.5
16	7.37	7.6	7.96	8.16	8.71	9.06	8.86	7.89
20	7.46	7.72	8.19	8.64	9.28	9.99	10.44	8.99

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.42	143.3°	3.7
8	40.8°	4.21	147.3°	4.71
10	39°	4.78	148.7°	5.55
12	37.6°	5.09	150.1°	6.13
14	37°	5.23	149.3°	6.49
16	36.6°	5.31	173.9°	6.95
20	37°	5.36	142.6°	7.79

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