Dont Panic — ORC Rating

GPH

749

OSN

730.5

LOA

6.82 m

Displacement

958 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6325

Medium

0.8318

High

0.9195

Triple Offshore

Low

0.8072

Medium

1.0078

High

1.1053

Boat Specifications

Dimensions

Length overall: 6.82 m
Beam: 2.5 m
Draft: 1.43 m
Displacement: 958 kg
Crew weight: 258 kg
Wetted surface: 9.46 m²

Sails

Mainsail: 16.62 m²
Genoa: 12.58 m²
Spinnaker: 25.2 m²
Asymmetric spinnaker: 0 m²

Design

Type: HERO 70 MINITON
Builder: Hero
Designer: Eivind Amble
Year built: 1984

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.

6,41.1,4.060707,52,4.63,60,4.86,75,5.01,90,4.94,110,4.81,120,4.62,135,4.13,150,3.55,150.1,3.552903
8,40.7,4.81445,52,5.3,60,5.44,75,5.55,90,5.56,110,5.55,120,5.44,135,5.05,150,4.44,153,4.320956
10,38.4,5.091276,52,5.59,60,5.73,75,5.87,90,5.96,110,6,120,5.89,135,5.61,150,5.22,158,4.928904
12,37.9,5.195897,52,5.74,60,5.92,75,6.14,90,6.26,110,6.39,120,6.3,135,6.02,150,5.68,180,5.23
14,38,5.228355,52,5.79,60,6.01,75,6.32,90,6.46,110,6.74,120,6.66,135,6.4,150,6.06,180,5.66
16,38.5,5.238892,52,5.82,60,6.06,75,6.41,90,6.67,110,7.05,120,7.05,135,6.76,150,6.41,180,6.03
20,40.2,5.263185,52,5.83,60,6.08,75,6.47,90,6.88,110,7.44,120,7.9,135,7.68,150,7.13,180,6.69

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.63	4.86	5.01	4.94	4.81	4.62	4.13	3.55
8	5.3	5.44	5.55	5.56	5.55	5.44	5.05	4.44
10	5.59	5.73	5.87	5.96	6	5.89	5.61	5.22
12	5.74	5.92	6.14	6.26	6.39	6.3	6.02	5.68
14	5.79	6.01	6.32	6.46	6.74	6.66	6.4	6.06
16	5.82	6.06	6.41	6.67	7.05	7.05	6.76	6.41
20	5.83	6.08	6.47	6.88	7.44	7.9	7.68	7.13

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.1°	3.06	150.1°	3.08
8	40.7°	3.65	153°	3.85
10	38.4°	3.99	158°	4.57
12	37.9°	4.1	180°	5.23
14	38°	4.12	180°	5.66
16	38.5°	4.1	180°	6.03
20	40.2°	4.02	180°	6.69

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