JOY OF FREEDOM — ORC Rating

GPH

699.4

OSN

676.5

LOA

9.54 m

Displacement

3886 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5767

Medium

0.7939

High

0.912

Triple Offshore

Low

0.7432

Medium

0.9733

High

1.0832

Boat Specifications

Dimensions

Length overall: 9.54 m
Beam: 3.3 m
Draft: 1.75 m
Displacement: 3886 kg
Crew weight: 496 kg
Wetted surface: 22.5 m²

Sails

Mainsail: 23.73 m²
Genoa: 31.72 m²
Spinnaker: 61.62 m²
Asymmetric spinnaker: 0 m²

Design

Type: GIBSEA 31
Builder: GIBERT MARINE
Designer: Jacques Fauroux
Year built: 1984

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.

6,43.9,4.288384,52,4.74,60,5,75,5.15,90,5.03,110,4.95,120,4.79,135,4.28,146.2,3.766617,150,3.62
8,42,5.073035,52,5.62,60,5.86,75,6.01,90,5.94,110,6.01,120,5.85,135,5.33,150,4.66,150.1,4.648766
10,40.3,5.57254,52,6.16,60,6.33,75,6.47,90,6.49,110,6.61,120,6.52,135,6.17,150,5.55,152.5,5.433981
12,39.3,5.840999,52,6.42,60,6.58,75,6.74,90,6.78,110,6.98,120,6.92,135,6.67,150,6.25,158.8,5.909964
14,38.7,5.906997,52,6.52,60,6.69,75,6.92,90,7.01,110,7.28,120,7.26,135,7.03,150,6.69,172.2,6.146872
16,38.5,5.954449,52,6.57,60,6.75,75,7.02,90,7.2,110,7.5,120,7.57,135,7.37,150,7.03,177.7,6.555281
20,38.8,5.992265,52,6.62,60,6.82,75,7.15,90,7.44,110,7.8,120,8.12,135,8.07,150,7.67,178.6,7.192147
24,40,5.965711,52,6.59,60,6.81,75,7.2,90,7.59,110,8.01,120,8.51,135,8.92,150,8.37,178.6,7.792326

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.74	5	5.15	5.03	4.95	4.79	4.28	3.62
8	5.62	5.86	6.01	5.94	6.01	5.85	5.33	4.66
10	6.16	6.33	6.47	6.49	6.61	6.52	6.17	5.55
12	6.42	6.58	6.74	6.78	6.98	6.92	6.67	6.25
14	6.52	6.69	6.92	7.01	7.28	7.26	7.03	6.69
16	6.57	6.75	7.02	7.2	7.5	7.57	7.37	7.03
20	6.62	6.82	7.15	7.44	7.8	8.12	8.07	7.67
24	6.59	6.81	7.2	7.59	8.01	8.51	8.92	8.37

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.9°	3.09	146.2°	3.13
8	42°	3.77	150.1°	4.03
10	40.3°	4.25	152.5°	4.82
12	39.3°	4.52	158.8°	5.51
14	38.7°	4.61	172.2°	6.09
16	38.5°	4.66	177.7°	6.55
20	38.8°	4.67	178.6°	7.19
24	40°	4.57	178.6°	7.79

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