Helikon — ORC Rating | RegattaPages

GPH

628.4

OSN

607.9

LOA

12 m

Displacement

6538 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7055

Medium

0.9856

High

1.1618

Triple Offshore

Low

0.9154

Medium

1.2233

High

1.3891

Boat Specifications

Dimensions

Length overall: 12 m
Beam: 3.5 m
Draft: 2.06 m
Displacement: 6538 kg
Crew weight: 420 kg
Wetted surface: 31.25 m²

Sails

Mainsail: 40.73 m²
Genoa: 32.91 m²
Spinnaker: 83.1 m²
Asymmetric spinnaker: 0 m²

Design

Type: BB-12 Touring
Builder: Boerresen
Designer: Boerresen
Year built: 1988

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.

6,43.1,4.533239,52,5.07,60,5.36,75,5.6,90,5.53,110,5.53,120,5.35,135,4.8,144.7,4.239481,150,4
8,41.4,5.412532,52,6.09,60,6.4,75,6.64,90,6.71,110,6.76,120,6.55,135,5.94,149.1,5.151125,150,5.1
10,40.6,6.137464,52,6.89,60,7.13,75,7.3,90,7.43,110,7.5,120,7.38,135,6.89,150,6.07,151.2,6.002465
12,39.6,6.58003,52,7.28,60,7.47,75,7.63,90,7.72,110,7.91,120,7.83,135,7.5,150,6.89,154.3,6.680894
14,38.6,6.717674,52,7.43,60,7.63,75,7.86,90,7.93,110,8.28,120,8.23,135,7.89,150,7.48,167.5,6.842187
16,38.1,6.773113,52,7.5,60,7.71,75,8.02,90,8.19,110,8.56,120,8.66,135,8.3,150,7.86,180,7.28
20,37.8,6.859414,52,7.55,60,7.78,75,8.17,90,8.62,110,8.96,120,9.35,135,9.26,150,8.65,180,8.04

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.07	5.36	5.6	5.53	5.53	5.35	4.8	4
8	6.09	6.4	6.64	6.71	6.76	6.55	5.94	5.1
10	6.89	7.13	7.3	7.43	7.5	7.38	6.89	6.07
12	7.28	7.47	7.63	7.72	7.91	7.83	7.5	6.89
14	7.43	7.63	7.86	7.93	8.28	8.23	7.89	7.48
16	7.5	7.71	8.02	8.19	8.56	8.66	8.3	7.86
20	7.55	7.78	8.17	8.62	8.96	9.35	9.26	8.65

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.31	144.7°	3.46
8	41.4°	4.06	149.1°	4.42
10	40.6°	4.66	151.2°	5.26
12	39.6°	5.07	154.3°	6.02
14	38.6°	5.25	167.5°	6.68
16	38.1°	5.33	180°	7.28
20	37.8°	5.42	180°	8.04

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