JOJO — ORC Rating | RegattaPages

GPH

628.3

OSN

610.2

LOA

8.957 m

Displacement

2520 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6661

Medium

0.8765

High

0.9884

Triple Offshore

Low

0.8495

Medium

1.0708

High

1.1936

Boat Specifications

Dimensions

Length overall: 8.957 m
Beam: 2.85 m
Draft: 1.98 m
Displacement: 2520 kg
Crew weight: 425 kg
Wetted surface: 18.11 m²

Sails

Mainsail: 27.12 m²
Genoa: 20.1 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 89.08 m²

Design

Type: J-88
Builder: J-BOAT
Designer: JOHNSTONE
Year built: 2013

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.

6,42.5,4.692942,52,5.21,60,5.46,75,5.6,90,5.71,110,5.84,120,5.71,135,5.13,144,4.659976,150,4.36
8,40.2,5.525035,52,6.15,60,6.34,75,6.46,90,6.6,110,6.81,120,6.75,135,6.33,147.8,5.625193,150,5.5
10,38.3,5.988967,52,6.64,60,6.79,75,6.91,90,6.9,110,7.29,120,7.32,135,7.06,149.2,6.461303,150,6.41
12,37.3,6.147282,52,6.83,60,7.01,75,7.21,90,7.26,110,7.61,120,7.81,135,7.64,150,7,150.1,7.001987
14,36.9,6.227455,52,6.92,60,7.12,75,7.43,90,7.58,110,7.89,120,8.23,135,8.23,147.7,7.60711,150,7.43
16,37.1,6.306546,52,6.98,60,7.2,75,7.56,90,7.85,110,8.14,120,8.59,135,8.93,145.5,8.311834,150,7.91
20,37.3,6.360991,52,7.04,60,7.28,75,7.73,90,8.22,110,8.64,120,9.33,135,10.91,141,10.783045,150,9.68
24,39,6.343725,52,7.01,60,7.28,75,7.8,90,8.43,110,9.12,120,10.17,135,12.57,145.4,13.691535,150,13.01

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.21	5.46	5.6	5.71	5.84	5.71	5.13	4.36
8	6.15	6.34	6.46	6.6	6.81	6.75	6.33	5.5
10	6.64	6.79	6.91	6.9	7.29	7.32	7.06	6.41
12	6.83	7.01	7.21	7.26	7.61	7.81	7.64	7
14	6.92	7.12	7.43	7.58	7.89	8.23	8.23	7.43
16	6.98	7.2	7.56	7.85	8.14	8.59	8.93	7.91
20	7.04	7.28	7.73	8.22	8.64	9.33	10.91	9.68
24	7.01	7.28	7.8	8.43	9.12	10.17	12.57	13.01

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.5°	3.46	144°	3.77
8	40.2°	4.22	147.8°	4.76
10	38.3°	4.7	149.2°	5.55
12	37.3°	4.89	150.1°	6.07
14	36.9°	4.98	147.7°	6.43
16	37.1°	5.03	145.5°	6.85
20	37.3°	5.06	141°	8.38
24	39°	4.93	145.4°	11.27

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