4ALL — ORC Rating | RegattaPages

GPH

839.2

OSN

809.7

LOA

5.51 m

Displacement

524 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.4687

Medium

0.6494

High

0.782

Triple Offshore

Low

0.6058

Medium

0.81

High

0.969

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: 8.16 m²

Sails

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

Design

Type: C-55
Designer: PellePetterson
Year built: 2001

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.

6,43.8,3.325204,52,3.68,60,3.88,75,4.01,90,4.21,110,4.24,120,4.08,135,3.59,148.4,3.146548,150,3.09
8,43,3.992596,52,4.41,60,4.61,75,4.76,90,5.07,110,5.1,120,4.97,135,4.48,150,3.97,152.3,3.896572
10,42.6,4.455934,52,4.92,60,5.1,75,5.28,90,5.59,110,5.63,120,5.53,135,5.24,150,4.73,154.6,4.560876
12,41.9,4.769508,52,5.24,60,5.41,75,5.62,90,6.05,110,6.15,120,6.02,135,5.7,150,5.33,163.6,4.951455
14,39.9,4.914196,52,5.47,60,5.67,75,5.92,90,6.47,110,6.72,120,6.55,135,6.18,150,5.75,177.2,5.266287
16,40,5.130251,52,5.68,60,5.94,75,6.26,90,6.74,110,7.36,120,7.2,135,6.71,150,6.19,177.9,5.653797
20,40,5.273845,52,5.93,60,6.28,75,6.88,90,7.24,110,8.84,120,9.04,135,8.09,150,7.24,176.6,6.491426
24,41.2,5.356087,52,6.02,60,6.43,75,7.27,90,8.21,110,10.09,120,11.65,135,11.4,139.1,10.808973,150,9.43

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.68	3.88	4.01	4.21	4.24	4.08	3.59	3.09
8	4.41	4.61	4.76	5.07	5.1	4.97	4.48	3.97
10	4.92	5.1	5.28	5.59	5.63	5.53	5.24	4.73
12	5.24	5.41	5.62	6.05	6.15	6.02	5.7	5.33
14	5.47	5.67	5.92	6.47	6.72	6.55	6.18	5.75
16	5.68	5.94	6.26	6.74	7.36	7.2	6.71	6.19
20	5.93	6.28	6.88	7.24	8.84	9.04	8.09	7.24
24	6.02	6.43	7.27	8.21	10.09	11.65	11.4	9.43

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.8°	2.4	148.4°	2.68
8	43°	2.92	152.3°	3.45
10	42.6°	3.28	154.6°	4.12
12	41.9°	3.55	163.6°	4.75
14	39.9°	3.77	177.2°	5.26
16	40°	3.93	177.9°	5.65
20	40°	4.04	176.6°	6.48
24	41.2°	4.03	139.1°	8.17

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