4ALL — ORC Rating | RegattaPages

GPH

840.7

OSN

810.8

LOA

5.51 m

Displacement

524 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.4655

Medium

0.6512

High

0.7786

Triple Offshore

Low

0.6049

Medium

0.8095

High

0.9621

Boat Specifications

Dimensions

Length overall: 5.51 m
Beam: 2.05 m
Draft: 1.12 m
Displacement: 524 kg
Crew weight: 262 kg
Wetted surface: 8.13 m²

Sails

Mainsail: 10.51 m²
Genoa: 6.46 m²
Spinnaker: 20.2 m²
Asymmetric spinnaker: 0 m²

Design

Type: C-55
Designer: Pelle Petterson
Year built: 2001
Stability index: 96.1

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.

6,45,3.30926,52,3.63,60,3.87,75,4.04,90,4.26,110,4.29,120,4.13,135,3.63,148.7,3.171598,150,3.13
8,42.6,3.898942,52,4.37,60,4.62,75,4.81,90,5.12,110,5.15,120,5.04,135,4.54,150,4.01,152.3,3.930455
10,42,4.386763,52,4.9,60,5.11,75,5.3,90,5.58,110,5.61,120,5.52,135,5.27,150,4.79,153.8,4.636346
12,41.4,4.732632,52,5.22,60,5.38,75,5.61,90,6.03,110,6.11,120,5.98,135,5.68,150,5.35,169.4,4.90368
14,40.3,4.930059,52,5.43,60,5.62,75,5.86,90,6.43,110,6.67,120,6.51,135,6.13,150,5.73,178.4,5.292063
16,40,5.104143,52,5.62,60,5.88,75,6.19,90,6.67,110,7.33,120,7.17,135,6.66,150,6.16,179,5.640859
20,39.9,5.214001,52,5.82,60,6.18,75,6.81,90,7.21,110,8.62,120,9.14,135,8.04,150,7.22,176.6,6.451355

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.63	3.87	4.04	4.26	4.29	4.13	3.63	3.13
8	4.37	4.62	4.81	5.12	5.15	5.04	4.54	4.01
10	4.9	5.11	5.3	5.58	5.61	5.52	5.27	4.79
12	5.22	5.38	5.61	6.03	6.11	5.98	5.68	5.35
14	5.43	5.62	5.86	6.43	6.67	6.51	6.13	5.73
16	5.62	5.88	6.19	6.67	7.33	7.17	6.66	6.16
20	5.82	6.18	6.81	7.21	8.62	9.14	8.04	7.22

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45°	2.34	148.7°	2.71
8	42.6°	2.87	152.3°	3.48
10	42°	3.26	153.8°	4.16
12	41.4°	3.55	169.4°	4.82
14	40.3°	3.76	178.4°	5.29
16	40°	3.91	179°	5.64
20	39.9°	4	176.6°	6.44

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