EWVA 1 — ORC Rating | RegattaPages

GPH

734.9

OSN

711.5

LOA

6.86 m

Displacement

850 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5486

Medium

0.7502

High

0.8585

Triple Offshore

Low

0.7106

Medium

0.9205

High

1.0509

Boat Specifications

Dimensions

Length overall: 6.86 m
Beam: 2.45 m
Draft: 1.18 m
Displacement: 850 kg
Crew weight: 295 kg
Wetted surface: 9.44 m²

Sails

Mainsail: 14.07 m²
Genoa: 10.25 m²
Spinnaker: 31.13 m²
Asymmetric spinnaker: 0 m²

Design

Type: J-22 STD
Builder: J BOAT
Designer: JOHNSTONE
Year built: 1983
Stability index: 100.9

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.

6,43.9,3.927549,52,4.37,60,4.64,75,4.84,90,4.94,110,4.98,120,4.82,135,4.32,146.9,3.736338,150,3.61
8,42.4,4.658372,52,5.22,60,5.45,75,5.58,90,5.76,110,5.8,120,5.7,135,5.27,150,4.58,150.7,4.552391
10,40.8,5.138739,52,5.66,60,5.81,75,5.94,90,6.19,110,6.3,120,6.19,135,5.9,150,5.42,153.2,5.276804
12,38.7,5.368832,52,5.89,60,6.06,75,6.26,90,6.54,110,6.84,120,6.72,135,6.36,150,5.96,165.8,5.528935
14,38.1,5.45153,52,6.03,60,6.27,75,6.58,90,6.74,110,7.37,120,7.31,135,6.87,150,6.39,177.2,5.856992
16,38.2,5.484459,52,6.09,60,6.38,75,6.84,90,7.07,110,7.79,120,8.02,135,7.46,150,6.86,177.2,6.237447
20,39.2,5.53588,52,6.13,60,6.42,75,7.04,90,7.73,110,8.48,120,9.4,135,9.29,150,8.05,175.4,7.143008

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.37	4.64	4.84	4.94	4.98	4.82	4.32	3.61
8	5.22	5.45	5.58	5.76	5.8	5.7	5.27	4.58
10	5.66	5.81	5.94	6.19	6.3	6.19	5.9	5.42
12	5.89	6.06	6.26	6.54	6.84	6.72	6.36	5.96
14	6.03	6.27	6.58	6.74	7.37	7.31	6.87	6.39
16	6.09	6.38	6.84	7.07	7.79	8.02	7.46	6.86
20	6.13	6.42	7.04	7.73	8.48	9.4	9.29	8.05

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.9°	2.83	146.9°	3.13
8	42.4°	3.44	150.7°	3.97
10	40.8°	3.89	153.2°	4.71
12	38.7°	4.19	165.8°	5.36
14	38.1°	4.29	177.2°	5.85
16	38.2°	4.31	177.2°	6.23
20	39.2°	4.29	175.4°	7.12

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