4ALL — ORC Rating | RegattaPages

GPH

835.1

OSN

805.6

LOA

5.51 m

Displacement

524 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.4713

Medium

0.6523

High

0.784

Triple Offshore

Low

0.609

Medium

0.8138

High

0.9741

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: 8.12 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: 96.2

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.

6,43.6,3.341748,52,3.7,60,3.9,75,4.03,90,4.23,110,4.26,120,4.1,135,3.6,148.7,3.148191,150,3.11
8,42.7,4.000465,52,4.44,60,4.64,75,4.79,90,5.09,110,5.12,120,4.99,135,4.51,150,3.99,152.8,3.890191
10,42.6,4.483104,52,4.94,60,5.12,75,5.3,90,5.62,110,5.66,120,5.55,135,5.26,150,4.75,155,4.556951
12,41.7,4.781432,52,5.26,60,5.43,75,5.64,90,6.08,110,6.19,120,6.05,135,5.73,150,5.35,164.6,4.947643
14,41.1,5.016167,52,5.49,60,5.7,75,5.96,90,6.51,110,6.77,120,6.6,135,6.21,150,5.78,177.2,5.286311
16,40,5.143305,52,5.71,60,5.97,75,6.3,90,6.79,110,7.43,120,7.27,135,6.76,150,6.23,177.2,5.676777
20,40.3,5.297191,52,5.96,60,6.31,75,6.95,90,7.31,110,8.97,120,9.22,135,8.19,150,7.31,175.7,6.548433

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.7	3.9	4.03	4.23	4.26	4.1	3.6	3.11
8	4.44	4.64	4.79	5.09	5.12	4.99	4.51	3.99
10	4.94	5.12	5.3	5.62	5.66	5.55	5.26	4.75
12	5.26	5.43	5.64	6.08	6.19	6.05	5.73	5.35
14	5.49	5.7	5.96	6.51	6.77	6.6	6.21	5.78
16	5.71	5.97	6.3	6.79	7.43	7.27	6.76	6.23
20	5.96	6.31	6.95	7.31	8.97	9.22	8.19	7.31

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	2.42	148.7°	2.69
8	42.7°	2.94	152.8°	3.46
10	42.6°	3.3	155°	4.13
12	41.7°	3.57	164.6°	4.77
14	41.1°	3.78	177.2°	5.28
16	40°	3.94	177.2°	5.67
20	40.3°	4.04	175.7°	6.53

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