Ripstick — ORC Rating

GPH

647.6

OSN

628.1

LOA

9.14 m

Displacement

2721 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6389

Medium

0.8509

High

0.9623

Triple Offshore

Low

0.8187

Medium

1.0412

High

1.1624

Boat Specifications

Dimensions

Length overall: 9.14 m
Beam: 3.04 m
Draft: 1.82 m
Displacement: 2721 kg
Crew weight: 498 kg
Wetted surface: 18.81 m²

Sails

Mainsail: 27.73 m²
Genoa: 18.71 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 84.36 m²

Design

Type: J/92
Builder: J/Boats Inc
Designer: RodJohnstone
Year built: 1992

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.

6,42.9,4.463902,52,4.97,60,5.22,75,5.37,90,5.62,110,5.7,120,5.55,135,5,144.1,4.542976,150,4.25
8,41,5.286802,52,5.89,60,6.1,75,6.23,90,6.52,110,6.65,120,6.55,135,6.13,148,5.459596,150,5.35
10,38.9,5.807953,52,6.42,60,6.57,75,6.7,90,6.9,110,7.14,120,7.1,135,6.82,149.2,6.263389,150,6.21
12,37.2,6.051248,52,6.69,60,6.84,75,7,90,7.1,110,7.52,120,7.57,135,7.32,150,6.75,150.2,6.741453
14,36.9,6.177435,52,6.82,60,7,75,7.23,90,7.31,110,7.81,120,8.01,135,7.82,150,7.1,172.1,6.249309
16,36.5,6.232453,52,6.9,60,7.09,75,7.4,90,7.57,110,8.06,120,8.46,135,8.37,150,7.44,175.2,6.673405
20,36.7,6.323465,52,6.99,60,7.21,75,7.6,90,7.98,110,8.56,120,9.33,135,10.33,138.5,9.933832,150,8.59
24,37.7,6.357243,52,7,60,7.24,75,7.7,90,8.24,110,9.11,120,10.42,135,12.93,142.2,13.060728,150,11.92

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.97	5.22	5.37	5.62	5.7	5.55	5	4.25
8	5.89	6.1	6.23	6.52	6.65	6.55	6.13	5.35
10	6.42	6.57	6.7	6.9	7.14	7.1	6.82	6.21
12	6.69	6.84	7	7.1	7.52	7.57	7.32	6.75
14	6.82	7	7.23	7.31	7.81	8.01	7.82	7.1
16	6.9	7.09	7.4	7.57	8.06	8.46	8.37	7.44
20	6.99	7.21	7.6	7.98	8.56	9.33	10.33	8.59
24	7	7.24	7.7	8.24	9.11	10.42	12.93	11.92

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	3.27	144.1°	3.68
8	41°	3.99	148°	4.63
10	38.9°	4.52	149.2°	5.38
12	37.2°	4.82	150.2°	5.85
14	36.9°	4.94	172.1°	6.19
16	36.5°	5.01	175.2°	6.65
20	36.7°	5.07	138.5°	7.44
24	37.7°	5.03	142.2°	10.32

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