HELIN — ORC Rating | RegattaPages

GPH

651

OSN

632.2

LOA

9.35 m

Displacement

3268 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6223

Medium

0.8493

High

0.9728

Triple Offshore

Low

0.8042

Medium

1.0408

High

1.1687

Boat Specifications

Dimensions

Length overall: 9.35 m
Beam: 3.1 m
Draft: 2 m
Displacement: 3268 kg
Crew weight: 650 kg
Wetted surface: 20.95 m²

Sails

Mainsail: 31.06 m²
Genoa: 22.2 m²
Spinnaker: 60.39 m²
Asymmetric spinnaker: 0 m²

Design

Type: RIDAS 31
Builder: RIDAS JAHT
Designer: DIETER BLANK
Year built: 2012

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.

6,42.8,4.524826,52,5.06,60,5.34,75,5.55,90,5.47,110,5.45,120,5.27,135,4.73,145,4.199465,150,3.97
8,41.2,5.316216,52,6,60,6.26,75,6.45,90,6.49,110,6.54,120,6.39,135,5.84,150,5.034494
10,40.1,5.93525,52,6.55,60,6.72,75,6.85,90,6.97,110,7.05,120,6.96,135,6.64,150,5.97,151,5.922574
12,38.6,6.18026,52,6.8,60,6.96,75,7.13,90,7.25,110,7.48,120,7.39,135,7.08,150,6.67,160,6.278649
14,38.2,6.247957,52,6.9,60,7.09,75,7.37,90,7.48,110,7.95,120,7.88,135,7.5,150,7.08,180,6.52
16,38.2,6.286132,52,6.94,60,7.15,75,7.55,90,7.8,110,8.3,120,8.41,135,8,150,7.47,180,6.96
20,38.6,6.384989,52,7,60,7.21,75,7.68,90,8.28,110,8.82,120,9.38,135,9.2,150,8.41,180,7.73

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.06	5.34	5.55	5.47	5.45	5.27	4.73	3.97
8	6	6.26	6.45	6.49	6.54	6.39	5.84	5.03
10	6.55	6.72	6.85	6.97	7.05	6.96	6.64	5.97
12	6.8	6.96	7.13	7.25	7.48	7.39	7.08	6.67
14	6.9	7.09	7.37	7.48	7.95	7.88	7.5	7.08
16	6.94	7.15	7.55	7.8	8.3	8.41	8	7.47
20	7	7.21	7.68	8.28	8.82	9.38	9.2	8.41

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.32	145°	3.44
8	41.2°	4	150°	4.36
10	40.1°	4.54	151°	5.18
12	38.6°	4.83	160°	5.9
14	38.2°	4.91	180°	6.52
16	38.2°	4.94	180°	6.96
20	38.6°	4.99	180°	7.73

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