STORM — ORC Rating | RegattaPages

GPH

784.6

OSN

758.6

LOA

8.145 m

Displacement

2845 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5101

Medium

0.7039

High

0.8105

Triple Offshore

Low

0.6579

Medium

0.8696

High

0.9718

Boat Specifications

Dimensions

Length overall: 8.145 m
Beam: 2.65 m
Draft: 1.3 m
Displacement: 2845 kg
Crew weight: 300 kg
Wetted surface: 16.11 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: 105.7

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.

6,45,3.719382,52,4.09,60,4.35,75,4.49,90,4.42,110,4.48,120,4.32,135,3.87,147.5,3.426641,150,3.34
8,43.6,4.432649,52,4.89,60,5.13,75,5.29,90,5.27,110,5.45,120,5.35,135,4.89,150,4.29,151.1,4.249173
10,42.9,4.928039,52,5.41,60,5.62,75,5.78,90,5.85,110,6.03,120,5.98,135,5.71,150,5.15,151.8,5.072033
12,42.3,5.218818,52,5.71,60,5.89,75,6.06,90,6.14,110,6.35,120,6.34,135,6.16,150,5.81,159.5,5.487512
14,42,5.342162,52,5.85,60,6.04,75,6.25,90,6.32,110,6.61,120,6.62,135,6.48,150,6.19,173.6,5.695495
16,41.7,5.397527,52,5.92,60,6.11,75,6.38,90,6.5,110,6.83,120,6.89,135,6.77,150,6.49,177.2,6.067243
20,41.7,5.424314,52,5.96,60,6.17,75,6.5,90,6.78,110,7.1,120,7.38,135,7.39,150,7.05,179,6.621008

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.09	4.35	4.49	4.42	4.48	4.32	3.87	3.34
8	4.89	5.13	5.29	5.27	5.45	5.35	4.89	4.29
10	5.41	5.62	5.78	5.85	6.03	5.98	5.71	5.15
12	5.71	5.89	6.06	6.14	6.35	6.34	6.16	5.81
14	5.85	6.04	6.25	6.32	6.61	6.62	6.48	6.19
16	5.92	6.11	6.38	6.5	6.83	6.89	6.77	6.49
20	5.96	6.17	6.5	6.78	7.1	7.38	7.39	7.05

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45°	2.63	147.5°	2.89
8	43.6°	3.21	151.1°	3.72
10	42.9°	3.61	151.8°	4.47
12	42.3°	3.86	159.5°	5.14
14	42°	3.97	173.6°	5.66
16	41.7°	4.03	177.2°	6.06
20	41.7°	4.05	179°	6.62

Loading polar chart…