WHITE MAGIC — ORC Rating

GPH

736.5

OSN

712.4

LOA

6.86 m

Displacement

856 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5526

Medium

0.7526

High

0.8599

Triple Offshore

Low

0.7119

Medium

0.9177

High

1.042

Boat Specifications

Dimensions

Length overall: 6.86 m
Beam: 2.45 m
Draft: 1.18 m
Displacement: 856 kg
Crew weight: 275 kg
Wetted surface: 10.09 m²

Sails

Mainsail: 14.13 m²
Genoa: 9.72 m²
Spinnaker: 31.18 m²
Asymmetric spinnaker: 0 m²

Design

Type: J-22 ONE DESIGN
Builder: J-Boats
Designer: JOHNSTONE
Year built: 1983

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.

6,43.4,3.991331,52,4.42,60,4.65,75,4.79,90,4.9,110,4.94,120,4.78,135,4.28,146,3.727213,150,3.56
8,41.5,4.699877,52,5.23,60,5.41,75,5.51,90,5.71,110,5.75,120,5.65,135,5.19,150,4.55,150.7,4.51799
10,39.6,5.139431,52,5.65,60,5.79,75,5.91,90,6.13,110,6.26,120,6.15,135,5.86,150,5.36,154.1,5.19144
12,37.9,5.347973,52,5.89,60,6.04,75,6.22,90,6.4,110,6.72,120,6.64,135,6.31,150,5.92,165.5,5.49503
14,37.4,5.437966,52,6.02,60,6.22,75,6.48,90,6.57,110,7.14,120,7.16,135,6.78,150,6.34,177.2,5.816945
16,37.5,5.49566,52,6.09,60,6.32,75,6.68,90,6.87,110,7.52,120,7.76,135,7.32,150,6.77,177.9,6.204167
20,38.7,5.535407,52,6.14,60,6.41,75,6.89,90,7.41,110,8.22,120,9.3,135,9.32,150,7.89,176.2,7.025446
24,42,5.57092,52,6.08,60,6.39,75,6.97,90,7.73,110,8.99,120,10.73,135,12.71,142.1,12.140658,150,11.07

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.42	4.65	4.79	4.9	4.94	4.78	4.28	3.56
8	5.23	5.41	5.51	5.71	5.75	5.65	5.19	4.55
10	5.65	5.79	5.91	6.13	6.26	6.15	5.86	5.36
12	5.89	6.04	6.22	6.4	6.72	6.64	6.31	5.92
14	6.02	6.22	6.48	6.57	7.14	7.16	6.78	6.34
16	6.09	6.32	6.68	6.87	7.52	7.76	7.32	6.77
20	6.14	6.41	6.89	7.41	8.22	9.3	9.32	7.89
24	6.08	6.39	6.97	7.73	8.99	10.73	12.71	11.07

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.4°	2.9	146°	3.09
8	41.5°	3.52	150.7°	3.94
10	39.6°	3.96	154.1°	4.67
12	37.9°	4.22	165.5°	5.32
14	37.4°	4.32	177.2°	5.81
16	37.5°	4.36	177.9°	6.2
20	38.7°	4.32	176.2°	7.01
24	42°	4.14	142.1°	9.58

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