Storm — ORC Rating | RegattaPages

GPH

718.1

OSN

691.6

LOA

9.35 m

Displacement

4665 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5451

Medium

0.7683

High

0.9124

Triple Offshore

Low

0.7058

Medium

0.9544

High

1.094

Boat Specifications

Dimensions

Length overall: 9.35 m
Beam: 3.25 m
Draft: 1.49 m
Displacement: 4665 kg
Crew weight: 571 kg
Wetted surface: 24 m²

Sails

Mainsail: 23.67 m²
Genoa: 30.75 m²
Spinnaker: 63.08 m²
Asymmetric spinnaker: 54.23 m²

Design

Type: Ocean 31
Builder: Robertson & Caine
Designer: Lavranos
Year built: 1992
Stability index: 114.1

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.

6,45.4,3.987735,52,4.39,60,4.68,75,4.85,90,4.75,110,4.78,120,4.62,135,4.16,146.9,3.664715,150,3.54
8,43.6,4.777871,52,5.31,60,5.6,75,5.77,90,5.76,110,5.86,120,5.71,135,5.23,150,4.59,150.2,4.586493
10,42.6,5.36614,52,5.94,60,6.19,75,6.38,90,6.48,110,6.58,120,6.48,135,6.09,150,5.48,153.2,5.332821
12,41.4,5.772478,52,6.35,60,6.56,75,6.73,90,6.9,110,7,120,6.93,135,6.67,150,6.2,157.2,5.901093
14,40.5,6.023098,52,6.62,60,6.8,75,6.97,90,7.17,110,7.32,120,7.27,135,7.04,150,6.7,168.2,6.170397
16,40,6.109306,52,6.75,60,6.95,75,7.17,90,7.38,110,7.62,120,7.58,135,7.36,150,7.05,177.2,6.557829
20,40.2,6.153475,52,6.82,60,7.06,75,7.42,90,7.62,110,8.18,120,8.24,135,8.04,150,7.64,179,7.201097

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.39	4.68	4.85	4.75	4.78	4.62	4.16	3.54
8	5.31	5.6	5.77	5.76	5.86	5.71	5.23	4.59
10	5.94	6.19	6.38	6.48	6.58	6.48	6.09	5.48
12	6.35	6.56	6.73	6.9	7	6.93	6.67	6.2
14	6.62	6.8	6.97	7.17	7.32	7.27	7.04	6.7
16	6.75	6.95	7.17	7.38	7.62	7.58	7.36	7.05
20	6.82	7.06	7.42	7.62	8.18	8.24	8.04	7.64

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.4°	2.8	146.9°	3.07
8	43.6°	3.46	150.2°	3.98
10	42.6°	3.95	153.2°	4.76
12	41.4°	4.33	157.2°	5.44
14	40.5°	4.58	168.2°	6.04
16	40°	4.68	177.2°	6.55
20	40.2°	4.7	179°	7.2

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