Miraculix J — ORC Rating

GPH

662

OSN

644.8

LOA

8.032 m

Displacement

1438 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7093

Medium

0.9288

High

1.0547

Triple Offshore

Low

0.9092

Medium

1.1399

High

1.2828

Boat Specifications

Dimensions

Length overall: 8.032 m
Beam: 2.49 m
Draft: 1.5 m
Displacement: 1438 kg
Crew weight: 340 kg
Wetted surface: 13.57 m²

Sails

Mainsail: 21.53 m²
Genoa: 13.98 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 64.99 m²

Design

Type: J-80 OD
Builder: J Composite
Designer: JOHNSTONE
Year built: 1995

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.

6,42.2,4.346625,52,4.88,60,5.15,75,5.37,90,5.57,110,5.68,120,5.54,135,4.97,144.9,4.473509,150,4.22
8,41.2,5.209891,52,5.81,60,6.01,75,6.14,90,6.33,110,6.48,120,6.41,135,6.07,147.8,5.412476,150,5.29
10,38.8,5.658649,52,6.23,60,6.38,75,6.52,90,6.58,110,6.99,120,6.99,135,6.66,150,6.108366
12,37.8,5.796331,52,6.39,60,6.58,75,6.84,90,6.9,110,7.36,120,7.59,135,7.26,150,6.58,150.8,6.541248
14,37.5,5.848592,52,6.46,60,6.69,75,7.09,90,7.31,110,7.68,120,8.07,135,7.95,150,7,176.5,6.171511
16,37.2,5.88804,52,6.49,60,6.75,75,7.23,90,7.65,110,8,120,8.48,135,8.81,144.2,8.112802,150,7.6
20,37.8,5.973511,52,6.61,60,6.91,75,7.35,90,8.04,110,8.63,120,9.31,135,10.77,140.7,10.842032,150,9.69

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.88	5.15	5.37	5.57	5.68	5.54	4.97	4.22
8	5.81	6.01	6.14	6.33	6.48	6.41	6.07	5.29
10	6.23	6.38	6.52	6.58	6.99	6.99	6.66	6.11
12	6.39	6.58	6.84	6.9	7.36	7.59	7.26	6.58
14	6.46	6.69	7.09	7.31	7.68	8.07	7.95	7
16	6.49	6.75	7.23	7.65	8	8.48	8.81	7.6
20	6.61	6.91	7.35	8.04	8.63	9.31	10.77	9.69

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.2°	3.22	144.9°	3.66
8	41.2°	3.92	147.8°	4.58
10	38.8°	4.41	150°	5.29
12	37.8°	4.58	150.8°	5.71
14	37.5°	4.64	176.5°	6.16
16	37.2°	4.69	144.2°	6.58
20	37.8°	4.72	140.7°	8.39

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