STORM — ORC Rating | RegattaPages

GPH

792.6

OSN

768.1

LOA

8.145 m

Displacement

2845 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5038

Medium

0.6904

High

0.7876

Triple Offshore

Low

0.652

Medium

0.861

High

0.9556

Boat Specifications

Dimensions

Length overall: 8.145 m
Beam: 2.65 m
Draft: 1.3 m
Displacement: 2845 kg
Crew weight: 170 kg
Wetted surface: 15.82 m²

Sails

Mainsail: 15.31 m²
Genoa: 27.85 m²
Spinnaker: 53.41 m²
Asymmetric spinnaker: 0 m²

Design

Type: DRACO 27
Builder: DRACO
Designer: PEARSON
Year built: 1981
Stability index: 104.6

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.

6,46,3.670869,52,3.97,60,4.25,75,4.46,90,4.44,110,4.5,120,4.35,135,3.91,147.8,3.474384,150,3.39
8,44.4,4.324868,52,4.75,60,5.03,75,5.28,90,5.29,110,5.5,120,5.4,135,4.92,150,4.33,152,4.247138
10,44.4,4.856729,52,5.35,60,5.62,75,5.81,90,5.91,110,6.07,120,6.02,135,5.78,150,5.19,150.7,5.160141
12,44.8,5.21442,52,5.67,60,5.9,75,6.09,90,6.15,110,6.39,120,6.37,135,6.19,150,5.87,158.8,5.566735
14,44.1,5.319399,52,5.78,60,6.01,75,6.25,90,6.36,110,6.65,120,6.69,135,6.51,150,6.23,173.6,5.755871
16,43.6,5.330226,52,5.82,60,6.06,75,6.33,90,6.54,110,6.8,120,7,135,6.86,150,6.52,178.1,6.103356
20,44.7,5.332024,52,5.8,60,6.07,75,6.4,90,6.78,110,7.05,120,7.34,135,7.52,150,7.17,178.1,6.673669

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.97	4.25	4.46	4.44	4.5	4.35	3.91	3.39
8	4.75	5.03	5.28	5.29	5.5	5.4	4.92	4.33
10	5.35	5.62	5.81	5.91	6.07	6.02	5.78	5.19
12	5.67	5.9	6.09	6.15	6.39	6.37	6.19	5.87
14	5.78	6.01	6.25	6.36	6.65	6.69	6.51	6.23
16	5.82	6.06	6.33	6.54	6.8	7	6.86	6.52
20	5.8	6.07	6.4	6.78	7.05	7.34	7.52	7.17

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	46°	2.55	147.8°	2.94
8	44.4°	3.09	152°	3.75
10	44.4°	3.47	150.7°	4.5
12	44.8°	3.7	158.8°	5.19
14	44.1°	3.82	173.6°	5.72
16	43.6°	3.86	178.1°	6.1
20	44.7°	3.79	178.1°	6.67

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