Jojo — ORC Rating | RegattaPages

GPH

690.6

OSN

671.7

LOA

7.927 m

Displacement

1550 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.609

Medium

0.8029

High

0.8966

Triple Offshore

Low

0.7782

Medium

0.9714

High

1.0735

Boat Specifications

Dimensions

Length overall: 7.927 m
Beam: 2.86 m
Draft: 1.36 m
Displacement: 1550 kg
Crew weight: 352 kg
Wetted surface: 13.59 m²

Sails

Mainsail: 21.3 m²
Genoa: 18.83 m²
Spinnaker: 48.82 m²
Asymmetric spinnaker: 0 m²

Design

Type: X-79 OD
Builder: X-YACHTS
Designer: JEPPESEN
Year built: 1979
Stability index: 95.5

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.

6,42.9,4.532158,52,5,60,5.22,75,5.35,90,5.25,110,5.24,120,5.08,135,4.58,146,3.980519,150,3.81
8,40.6,5.228698,52,5.75,60,5.9,75,5.99,90,6.01,110,6.08,120,5.97,135,5.54,150,4.84,150.5,4.814124
10,38.2,5.535359,52,6.08,60,6.21,75,6.33,90,6.37,110,6.55,120,6.47,135,6.19,150,5.68,154.1,5.502704
12,37.6,5.629254,52,6.2,60,6.37,75,6.57,90,6.63,110,6.92,120,6.91,135,6.63,150,6.25,167.6,5.754233
14,37.6,5.692363,52,6.27,60,6.45,75,6.73,90,6.9,110,7.24,120,7.34,135,7.06,150,6.65,177.2,6.137327
16,37.8,5.733052,52,6.31,60,6.51,75,6.84,90,7.12,110,7.48,120,7.81,135,7.55,150,7.05,178.1,6.513581
20,38.8,5.7613,52,6.34,60,6.57,75,6.96,90,7.4,110,7.97,120,8.77,135,9.48,150,8.08,176.6,7.282819

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5	5.22	5.35	5.25	5.24	5.08	4.58	3.81
8	5.75	5.9	5.99	6.01	6.08	5.97	5.54	4.84
10	6.08	6.21	6.33	6.37	6.55	6.47	6.19	5.68
12	6.2	6.37	6.57	6.63	6.92	6.91	6.63	6.25
14	6.27	6.45	6.73	6.9	7.24	7.34	7.06	6.65
16	6.31	6.51	6.84	7.12	7.48	7.81	7.55	7.05
20	6.34	6.57	6.96	7.4	7.97	8.77	9.48	8.08

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	3.32	146°	3.3
8	40.6°	3.97	150.5°	4.19
10	38.2°	4.35	154.1°	4.95
12	37.6°	4.46	167.6°	5.62
14	37.6°	4.51	177.2°	6.13
16	37.8°	4.53	178.1°	6.51
20	38.8°	4.49	176.6°	7.27

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