STORM — ORC Rating | RegattaPages

GPH

784.3

OSN

760

LOA

8.132 m

Displacement

2845 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5678

Medium

0.7851

High

0.9212

Triple Offshore

Low

0.7367

Medium

0.9782

High

1.1094

Boat Specifications

Dimensions

Length overall: 8.132 m
Beam: 2.65 m
Draft: 1.3 m
Displacement: 2845 kg
Crew weight: 400 kg
Wetted surface: 16.39 m²

Sails

Mainsail: 15.31 m²
Genoa: 27.85 m²
Spinnaker: 53.26 m²
Asymmetric spinnaker: 0 m²

Design

Type: DRACO 27
Builder: DRACO
Designer: PEARSON
Year built: 1981

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.

6,45,3.634529,52,4,60,4.3,75,4.52,90,4.48,110,4.52,120,4.36,135,3.93,147.9,3.470575,150,3.39
8,43.6,4.280752,52,4.77,60,5.1,75,5.35,90,5.34,110,5.52,120,5.4,135,4.92,150,4.31,151.7,4.236338
10,44,4.837769,52,5.37,60,5.65,75,5.85,90,5.96,110,6.08,120,6.03,135,5.77,150,5.16,150.5,5.135831
12,44,5.310425,52,5.76,60,5.96,75,6.12,90,6.26,110,6.41,120,6.37,135,6.18,150,5.84,159.4,5.501787
14,43,5.46931,52,5.95,60,6.13,75,6.31,90,6.41,110,6.72,120,6.69,135,6.48,150,6.19,179.9,5.720009
16,42.2,5.521024,52,6.02,60,6.21,75,6.46,90,6.58,110,6.99,120,7.02,135,6.81,150,6.47,180,6.1
20,42.3,5.543304,52,6.05,60,6.26,75,6.62,90,6.94,110,7.29,120,7.56,135,7.45,150,7.07,180,6.65

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4	4.3	4.52	4.48	4.52	4.36	3.93	3.39
8	4.77	5.1	5.35	5.34	5.52	5.4	4.92	4.31
10	5.37	5.65	5.85	5.96	6.08	6.03	5.77	5.16
12	5.76	5.96	6.12	6.26	6.41	6.37	6.18	5.84
14	5.95	6.13	6.31	6.41	6.72	6.69	6.48	6.19
16	6.02	6.21	6.46	6.58	6.99	7.02	6.81	6.47
20	6.05	6.26	6.62	6.94	7.29	7.56	7.45	7.07

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45°	2.57	147.9°	2.94
8	43.6°	3.1	151.7°	3.73
10	44°	3.48	150.5°	4.47
12	44°	3.82	159.4°	5.15
14	43°	4	179.9°	5.72
16	42.2°	4.09	180°	6.1
20	42.3°	4.1	180°	6.65

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