Dont Panic — ORC Rating

GPH

749.4

OSN

731.2

LOA

6.82 m

Displacement

958 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5619

Medium

0.7381

High

0.815

Triple Offshore

Low

0.7174

Medium

0.8952

High

0.9814

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.

6,41.2,4.053615,52,4.62,60,4.86,75,5.01,90,4.94,110,4.82,120,4.63,135,4.13,150,3.556478
8,40.9,4.802518,52,5.29,60,5.44,75,5.55,90,5.56,110,5.56,120,5.45,135,5.05,150,4.45,153,4.332179
10,38.6,5.092637,52,5.58,60,5.72,75,5.87,90,5.96,110,6.01,120,5.9,135,5.62,150,5.22,158,4.939689
12,38.1,5.184672,52,5.73,60,5.92,75,6.14,90,6.27,110,6.4,120,6.31,135,6.03,150,5.69,180,5.23
14,38.2,5.20451,52,5.78,60,6,75,6.32,90,6.46,110,6.75,120,6.67,135,6.41,150,6.07,180,5.67
16,38.6,5.220593,52,5.8,60,6.05,75,6.4,90,6.67,110,7.06,120,7.07,135,6.77,150,6.43,180,6.04
20,40.7,5.26292,52,5.82,60,6.07,75,6.46,90,6.88,110,7.46,120,7.93,135,7.73,150,7.16,180,6.71

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.62	4.86	5.01	4.94	4.82	4.63	4.13	3.56
8	5.29	5.44	5.55	5.56	5.56	5.45	5.05	4.45
10	5.58	5.72	5.87	5.96	6.01	5.9	5.62	5.22
12	5.73	5.92	6.14	6.27	6.4	6.31	6.03	5.69
14	5.78	6	6.32	6.46	6.75	6.67	6.41	6.07
16	5.8	6.05	6.4	6.67	7.06	7.07	6.77	6.43
20	5.82	6.07	6.46	6.88	7.46	7.93	7.73	7.16

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.2°	3.05	150°	3.08
8	40.9°	3.63	153°	3.86
10	38.6°	3.98	158°	4.58
12	38.1°	4.08	180°	5.23
14	38.2°	4.09	180°	5.67
16	38.6°	4.08	180°	6.04
20	40.7°	3.99	180°	6.71

Loading polar chart…