JIPPI — ORC Rating | RegattaPages

GPH

659.3

OSN

642.5

LOA

8.03 m

Displacement

1468 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6309

Medium

0.8278

High

0.9393

Triple Offshore

Low

0.8103

Medium

1.0176

High

1.1478

Boat Specifications

Dimensions

Length overall: 8.03 m
Beam: 2.49 m
Draft: 1.5 m
Displacement: 1468 kg
Crew weight: 399 kg
Wetted surface: 13.55 m²

Sails

Mainsail: 21.3 m²
Genoa: 13.69 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 64.16 m²

Design

Type: J-80 OD
Builder: J/composites
Designer: Rod 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.

6,42.8,4.388536,52,4.92,60,5.21,75,5.43,90,5.59,110,5.71,120,5.57,135,5,145,4.49245,150,4.25
8,41.6,5.215312,52,5.82,60,6.03,75,6.18,90,6.36,110,6.5,120,6.43,135,6.09,148,5.424221,150,5.32
10,39.2,5.69073,52,6.25,60,6.39,75,6.53,90,6.63,110,7.04,120,7.02,135,6.68,150,6.13146
12,37.9,5.829544,52,6.43,60,6.62,75,6.87,90,6.94,110,7.46,120,7.65,135,7.29,150,6.6,150.5,6.572026
14,37.7,5.889612,52,6.5,60,6.74,75,7.15,90,7.34,110,7.78,120,8.21,135,7.98,150,7.02,176,6.185067
16,37.9,5.918254,52,6.54,60,6.8,75,7.31,90,7.72,110,8.12,120,8.65,135,8.85,144.2,8.137461,150,7.63
20,38.2,5.993458,52,6.64,60,6.94,75,7.43,90,8.17,110,8.84,120,9.61,135,11.17,140,11.095962,150,9.82

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.92	5.21	5.43	5.59	5.71	5.57	5	4.25
8	5.82	6.03	6.18	6.36	6.5	6.43	6.09	5.32
10	6.25	6.39	6.53	6.63	7.04	7.02	6.68	6.13
12	6.43	6.62	6.87	6.94	7.46	7.65	7.29	6.6
14	6.5	6.74	7.15	7.34	7.78	8.21	7.98	7.02
16	6.54	6.8	7.31	7.72	8.12	8.65	8.85	7.63
20	6.64	6.94	7.43	8.17	8.84	9.61	11.17	9.82

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.22	145°	3.68
8	41.6°	3.9	148°	4.6
10	39.2°	4.41	150°	5.31
12	37.9°	4.6	150.5°	5.72
14	37.7°	4.66	176°	6.17
16	37.9°	4.67	144.2°	6.6
20	38.2°	4.71	140°	8.5

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